Community Calendar
Community Group Ride @ NewBo
We’re teaming up with our friends at NewBo City Market! Our volunteers will lead the Meet Me at the Market group rides starting Thursday, May 7, and run every Thursday through August.
These are no-drop, around 10-15 mile rides, and all paces and ages are welcomed and encouraged! A new route will be posted every week. Grab your helmet, pack some water, and let's roll. See Chain Reaction’s Facebook page for ride details or for any potential severe weather cancellations.
Volunteer Training / Night: Bike Assessments
8/4 topic: Bike Assessments. Good for new assessors and a refresher if it’s been awhile. Training starts 6:30pm, regular volunteer night activities going on 6-8pm.
—-
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
Community Group Ride @ NewBo
We’re teaming up with our friends at NewBo City Market! Our volunteers will lead the Meet Me at the Market group rides starting Thursday, May 7, and run every Thursday through August.
These are no-drop, around 10-15 mile rides, and all paces and ages are welcomed and encouraged! A new route will be posted every week. Grab your helmet, pack some water, and let's roll. See Chain Reaction’s Facebook page for ride details or for any potential severe weather cancellations.
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
New Volunteer Orientation
Interested in volunteering? Want to learn more and take a tour of the shop? Join our New Volunteer Orientation. We’ll be covering all the ins and outs of volunteering at the shop, including the signup and scheduling process, shop roles, activities, workflow, and our community.
If you’d like to become a volunteer at Chain Reaction, check out the volunteer link in our bio and RSVP by emailing us at volunteer@crbikehub.org
FTWN Event: Mt. Trashmore Climb & Social
FTWN (femme/trans/women/nonbinary) Event!
We’ll meet at Chain Reaction at 5:30pm, then bike over to Mt Trashmore at 5:45pm (arriving Trashmore around 6pm). We’ll climb to the summit once (by bike or foot) and then head to Lion Bridge for a social on their patio.
You can also meet us at Trashmore at 6pm - just let me know you’re joining at volunteer@crbikehub.org !
Sorry fellas, this event is only open to femme/trans/women/nonbinary folks 16+.
Community Group Ride @ NewBo
We’re teaming up with our friends at NewBo City Market! Our volunteers will lead the Meet Me at the Market group rides starting Thursday, May 7, and run every Thursday through August.
These are no-drop, around 10-15 mile rides, and all paces and ages are welcomed and encouraged! A new route will be posted every week. Grab your helmet, pack some water, and let's roll. See Chain Reaction’s Facebook page for ride details or for any potential severe weather cancellations.
Community Workshop: Back to School in Wellington Heights
Our Volunteers are taking our new Mobile Workshop on the road for a back-to-school workshop!
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
Community Workshop: TBD
Save the date for an upcoming community workshop! Topic TBD!
This event is free to the community. Bring your questions!
Community Group Ride @ NewBo
We’re teaming up with our friends at NewBo City Market! Our volunteers will lead the Meet Me at the Market group rides starting Thursday, May 7, and run every Thursday through August.
These are no-drop, around 10-15 mile rides, and all paces and ages are welcomed and encouraged! A new route will be posted every week. Grab your helmet, pack some water, and let's roll. See Chain Reaction’s Facebook page for ride details or for any potential severe weather cancellations.
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
Volunteer Group: Cub Scouts
We’re helping a Den of local Cub Scouts with basic bike maintenance.
Community Group Ride @ NewBo
We’re teaming up with our friends at NewBo City Market! Our volunteers will lead the Meet Me at the Market group rides starting Thursday, May 7, and run every Thursday through August.
These are no-drop, around 10-15 mile rides, and all paces and ages are welcomed and encouraged! A new route will be posted every week. Grab your helmet, pack some water, and let's roll. See Chain Reaction’s Facebook page for ride details or for any potential severe weather cancellations.
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
New Volunteer Orientation
Interested in volunteering? Want to learn more and take a tour of the shop? Join our New Volunteer Orientation. We’ll be covering all the ins and outs of volunteering at the shop, including the signup and scheduling process, shop roles, activities, workflow, and our community.
If you’d like to become a volunteer at Chain Reaction, check out the volunteer link in our bio and RSVP by emailing us at volunteer@crbikehub.org
Community Workshop: TBD
Save the date for an upcoming community workshop! Topic TBD!
This event is free to the community. Bring your questions!
In the Community: Five Season’s Stand Down
Our volunteers will be at Five Seasons Stand Down Resource Fair at Veterans Memorial Stadium.
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
In the Community: YENKO Spark in the Park
Our volunteers will be at YENKO Spark in the Park at Lowe Park for the afternoon. Say hello!
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
In the Community: Bever Neighborhood Bike Parade
Our volunteers will be at Bever Park Bike Parade for the afternoon. Say hello!
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
New Volunteer Orientation
Interested in volunteering? Want to learn more and take a tour of the shop? Join our New Volunteer Orientation. We’ll be covering all the ins and outs of volunteering at the shop, including the signup and scheduling process, shop roles, activities, workflow, and our community.
If you’d like to become a volunteer at Chain Reaction, check out the volunteer link above and RSVP by emailing us at volunteer@crbikehub.org
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
New Volunteer Orientation
Interested in volunteering? Want to learn more and take a tour of the shop? Join our New Volunteer Orientation. We’ll be covering all the ins and outs of volunteering at the shop, including the signup and scheduling process, shop roles, activities, workflow, and our community.
If you’d like to become a volunteer at Chain Reaction, check out the volunteer link in our bio and RSVP by emailing us at volunteer@crbikehub.org
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
In the Community: Wellington Heights Art in the Park
Our volunteers will be at Art in the Park in Wellington Heights for the afternoon. We’ll have our first demonstration of our mobile workstation, bike valet, and a table with opportunities. Community group ride at 2pm. Come say hello!
In the Community: Bike Night at Hawkeye Downs!
Our volunteers will be at Bike Night at Hawkeye Downs. Come say hello!
Community Group Ride @ NewBo
We’re teaming up with our friends at NewBo City Market! Our volunteers will lead the Meet Me at the Market group rides starting Thursday, May 7, and run every Thursday through August.
These are no-drop, around 10-15 mile rides, and all paces and ages are welcomed and encouraged! A new route will be posted every week. Grab your helmet, pack some water, and let's roll. See Chain Reaction’s Facebook page for ride details or for any potential severe weather cancellations.
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
In the Community: RAGBRAI 2026 Kickoff
Our crew will be at the kickoff of 2026 RAGBRAI, Day 0. Come say hello to us and the other Iowa Community Bike Shops, a thankful set of recipients of this year’s RAGBRAI Gives Campaign.
Community Group Ride @ NewBo
We’re teaming up with our friends at NewBo City Market! Our volunteers will lead the Meet Me at the Market group rides starting Thursday, May 7, and run every Thursday through August.
These are no-drop, around 10-15 mile rides, and all paces and ages are welcomed and encouraged! A new route will be posted every week. Grab your helmet, pack some water, and let's roll. See Chain Reaction’s Facebook page for ride details or for any potential severe weather cancellations.
FTWN Event: Dessert Ride!
FTWN (femme/trans/women/nonbinary) Event!
Our ride tour series continues - this one: DESSERTS.
Join us for a ride and tour of 2-3 dessert stops around Cedar Rapids. This is a community-paced, no-drop ride with several stops, aiming for about 10 miles round trip.
Agenda: Meet at Chain Reaction at 5:30 pm. Store any stuff, pick up some water, air up your tires/etc. Departing CRBH at 5:45pm! Bring a few $$ if you want to buy a snack or two on the way.
Please wear a helmet. If you want to join but don't have a bike, or have any other questions, please reach out to us at volunteer@crbikehub.org .
Sorry fellas, this event is limited to femme/trans/women/nb volunteers and participants.
New Volunteer Orientation
Interested in volunteering? Want to learn more and take a tour of the shop? Join our New Volunteer Orientation. We’ll be covering all the ins and outs of volunteering at the shop, including the signup and scheduling process, shop roles, activities, workflow, and our community.
If you’d like to become a volunteer at Chain Reaction, check out the volunteer link in our bio and RSVP by emailing us at volunteer@crbikehub.org
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
Community Group Ride @ NewBo
We’re teaming up with our friends at NewBo City Market! Our volunteers will lead the Meet Me at the Market group rides starting Thursday, May 7, and run every Thursday through August.
These are no-drop, around 10-15 mile rides, and all paces and ages are welcomed and encouraged! A new route will be posted every week. Grab your helmet, pack some water, and let's roll. See Chain Reaction’s Facebook page for ride details or for any potential severe weather cancellations.
Community Workshop: Trailside Maintenance
If you’re planning on going on some longer rides (or RAGBRAI), what trailside maintenance do you need to be prepared to handle? What if you break a spoke, break your chain, hit your derailleur?
Our volunteers will cover some of the most common trailside issues and what tools to bring to be able to get yourself home! We won’t focus on flat tires (that’s a separate workshop), but other potential issues:
Most common mechanical issues that occur during a ride
How to get your bike in a safe riding condition
Tools and spare parts to carry
Bring your questions and your own bike so you’re able to learn the techniques and tips on your personal rig. We’ll cover the necessary tools and techniques to keep you rolling!
This event is free to the community. Bring your questions!
Volunteer Training / Night: Derailleur Adjustments
A volunteer night PLUS some mechanic training for volunteers.
6:30 pm: Derailleur Adjustment training
===
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
Community Group Ride @ NewBo
We’re teaming up with our friends at NewBo City Market! Our volunteers will lead the Meet Me at the Market group rides starting Thursday, May 7, and run every Thursday through August.
These are no-drop, around 10-15 mile rides, and all paces and ages are welcomed and encouraged! A new route will be posted every week. Grab your helmet, pack some water, and let's roll. See Chain Reaction’s Facebook page for ride details or for any potential severe weather cancellations.
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
In the Community: CR Pride Parade 2026!
Our volunteers will be in the CR Pride Parade 2026 at NewBo City Market, and will have a booth all afternoon. Say hello!
Community Group Ride @ NewBo
We’re teaming up with our friends at NewBo City Market! Our volunteers will lead the Meet Me at the Market group rides starting Thursday, May 7, and run every Thursday through August.
These are no-drop, around 10-15 mile rides, and all paces and ages are welcomed and encouraged! A new route will be posted every week. Grab your helmet, pack some water, and let's roll. See Chain Reaction’s Facebook page for ride details or for any potential severe weather cancellations.
Community Workshop: Tubes & Tires
Getting that bike ready to roll and notice that your tires might not be so aired up?
Join us for a step-by-step guide on how to:
Remove and replace a bike tube and tire
Patch a tube
Reinstall a wheel
Bring your own bike so you’re able to learn the techniques and tips on your personal rig. We’ve got plenty of bikes to practice on in case you need to borrow one. We’ll cover the necessary tools and techniques to keep you rolling!
This class is FREE to the community. Come join!
New Volunteer Orientation
Interested in volunteering? Want to learn more and take a tour of the shop? Join our New Volunteer Orientation. We’ll be covering all the ins and outs of volunteering at the shop, including the signup and scheduling process, shop roles, activities, workflow, and our community.
If you’d like to become a volunteer at Chain Reaction, check out the volunteer link in our bio and RSVP by emailing us at crbh.volunteer@gmail.com .
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
Save the Date: SWIFT Bikepacking Campout
Save the Date: Our friends at Goldfinch Cyclery are hosting 10th anniversary of SWIFT campout - a bike packing adventure from their shop to Pinion Ridge in Central City. More details to come!
Community Group Ride @ NewBo
We’re teaming up with our friends at NewBo City Market! Our volunteers will lead the Meet Me at the Market group rides starting Thursday, May 7, and run every Thursday through August.
These are no-drop, around 10-15 mile rides, and all paces and ages are welcomed and encouraged! A new route will be posted every week. Grab your helmet, pack some water, and let's roll. See Chain Reaction’s Facebook page for ride details or for any potential severe weather cancellations.
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
In the Community: Cleveland Area Neighborhood Association (CANA) Community Safety & Wellness Fair
Our volunteers will be out at Cleveland Park, sharing Chain Reaction opportunities with the Cleveland Area Neighborhood Association - come say hello!
Community Group Ride @ NewBo
We’re teaming up with our friends at NewBo City Market! Our volunteers will lead the Meet Me at the Market group rides starting Thursday, May 7, and run every Thursday through August.
These are no-drop, around 10-15 mile rides, and all paces and ages are welcomed and encouraged! A new route will be posted every week. Grab your helmet, pack some water, and let's roll. See Chain Reaction’s Facebook page for ride details or for any potential severe weather cancellations.
Volunteer Night
Looking for a fun and meaningful way to give back to the community? Join us for volunteer night!
Whether you're a seasoned bike mechanic or just someone who loves bikes and wants to help out, we welcome you to come and lend a hand.
Generally, on volunteer nights we have a few projects volunteers can work on:
Take apart bikes and salvage some components for reuse
Assess, clean, and fix up bikes
Organize the shop and help with cleaning tasks
Help plan and prepare for upcoming events
Special opportunities like delivering bikes to our partners or helping community outreach
Learn about bikes and Chain Reaction while enjoying good company
No experience or RSVP is necessary!
Event: Bike-packing Overnight to Morgan Creek
Join us for a special overnight bike-packing trial trek to Morgan Creek in collaboration with our friends at Goldfinch Cyclery!
This is a self-supported ride to carry all your gear for a night out under the stars at Morgan Creek Group Camp, and a prequel to SWIFT Campout, the annual solstice ride hosted by Goldfinch (this year June 20-21, to Central City).
What: Group ride, led from Goldfinch Cyclery to Morgan Creek Group Camp (~10 miles)
When: Depart Goldfinch around 6pm, bike to Morgan Creek Park. Bring your dinner, snacks, bevies, and your camping gear. Return Saturday morning, 6/6. Depart at your leisure, head home or back to town.
Who: anyone who wants to try out a single overnight of bike-packing in a group setting.
You are also welcome to join for just the ride, or just the camping!
Let’s turn pedal power into camping power! 🏕️🚴♀️
Community Group Ride @ NewBo
We’re teaming up with our friends at NewBo City Market! Our volunteers will lead the Meet Me at the Market group rides starting Thursday, May 7, and run every Thursday through August.
These are no-drop, around 10-15 mile rides, and all paces and ages are welcomed and encouraged! A new route will be posted every week. Grab your helmet, pack some water, and let's roll. See Chain Reaction’s Facebook page for ride details or for any potential severe weather cancellations.
FTWN Event: Mural Tour and Ride!
FTWN (femme/trans/women/nonbinary) Event!
Join us for a ride and tour of select murals around Cedar Rapids. This is a community-paced, no-drop ride with several stops, ~8 miles round trip.
Agenda: Meet at Chain Reaction at 5:30 pm. Store any stuff, pick up some water, air up your tires/etc. Departing CRBH at 5:45pm!
Please wear a helmet. If you want to join but don't have a bike, or have any other questions, please reach out to us at volunteer@crbikehub.org .
Info from Murals & More, the Cedar Rapids Mural Trail.
https://crmurals.org/projects/
Sorry fellas, this event is limited to femme/trans/women/nb volunteers and participants.