We are temporarily closed as NZ is in lockdown. Read more.
Temporarily closed. Read more.

Welcome to Chain Reaction.

Since Chain Reaction first opened in 2000, we have helped thousands of cyclists achieve their cycling needs and dreams. We support the biking community through events, trail building, rides, seminars and athlete support. Our friendly, helpful staff all ride, from the commuter, the road rider, trail, downhill and BMX. We all have one thing in common, we love bikes and want to help you enjoy them as much as possible.

Call in and meet us, get some advice and maybe take a bike for a spin. We have exceptional gear to offer and want to help you get the most out of your bike.

We are a group of passionate cyclists and skilled individuals. Professional, energetic and engaged in the community, we're happy to share our bike passion with the people of Canterbury. Independently owned, we've been selling and servicing bikes and gear since 2000.

4/218 Moorhouse Ave, Christchurch, NZ
03 943 4925


Mon-Fri 8:30-5:30
Sat 9-5
Sun 10-4

We're on the YouTubes.


Riding the all-new Turbo Levo SL

Our Top to Bottom series features raw footage from our local trails. The bike is a 2020 Specialized Turbo Levo SL Expert, one of our shop test bikes. Weighing only 18kg (39.7lbs), it really is a nimble, fun e-bike and feels just as playful as the Stumpjumper.

Watch on YouTube


The Crowning of Champions

We saw some incredible races during Aotearoa Cross Fest '19 with Jacob Turner battling it out with three others to take the win in U19 Male and Kate McIlroy and Brendon Sharratt claiming the crowns in Elite.

Watch on YouTube


Mud, Beer and Wetsuits

Aotearoa Cross Fest '19 was a huge success! Two days of good cyclocross racing, food, beer and heckling from all of our awesome CX friends. Saturday was the fun day with 3 races, Beer Hand Up, Team Relay and a Run What You Brung race.

Watch on YouTube


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Latest from the blog.


Temporarily Closed

Our shop is closed until further notice and the web store is closed, too.

Read on


All-New Turbo Levo SL

The Turbo Levo SL is the all-new lightweight electric mountain bike from Specialized. It takes the quick and lively ride of the Stumpjumper and adds just enough power to help you up the hill.

Read on


Halswell Dig Day

Saturday's Dig Day at Halswell was awesome. We had a big crew of volunteers show up and made progress on new tracks and maintenance on existing ones.

Read on


See more bloggage.

Comfort, performance and efficiency.

Body Geometry Fit offers benefits to all rider types, mountain or road. It's a comprehensive process that creates the perfect union between bike and body. Our trained Body Geometry Fit technicians can have you on your way to a pleasant, healthy riding experience.

Learn more.

We service all brands of bikes.

We have a professional, comprehensive workshop capable of servicing all bike brands, from a quick tune-up to full suspension servicing and custom builds. The boys have years of experience, are trained up on all the latest and greatest tech and are avid cyclists who care about your bike as much as you do.

Book a service online.


Let's stay in touch.