Chain Reaction Cycles is a leading online bike retailer based in Northern Ireland, known for a vast selection of bikes, components, apparel and accessories. Curated for weekend explorers and performance riders alike, CRC pairs deep inventory with helpful product detail and global delivery.
Why shop
The top reasons riders choose Chain Reaction Cycles
Bikes for every ride
From hardtail mountain bikes to full-suspension builds and commuter e‑bikes, Chain Reaction Cycles showcases bikes across disciplines and budgets. Detailed specs, user reviews and optional assembly add-ons help you buy with confidence. Nationwide and international shipping options mean CRC can deliver a ready-to-ride machine or framekit to your door.
Apparel, wheels and components
CRC’s clothing and accessories range covers technical jerseys, protective helmets, and weather-ready outerwear alongside wheels, tyres, drivetrains and suspension parts. Shopping tools include size guides and brand filters, so riders can match kit and components precisely—from a race jersey to a winter training tyre.
Top categories
The verdict
What we like
- Huge, specialist selection across disciplines and price points
- Competitive pricing and frequent sales
- Detailed product pages and user reviews
- Worldwide shipping and international customer support
Worth knowing
- Bikes sometimes ship requiring local assembly
- Delivery times and costs vary by country
- Returns for bikes or bulky items can be more complex