Cog — Buy and sell bikes and parts the smart way

Log in Register + Sell

Cog

The global marketplace for buying and selling bikes and cycling components. Trusted by cyclists around the world.

Marketplace

Browse All
Road Bikes
MTB
Components
Sell an Item

Help & Safety

How It Works
Buyer Protection
Seller Guide
Report a Listing
Stolen Bike Check

Legal

Terms & Conditions
Privacy Policy
Cookie Policy
Contact Us
Data Rights Request

© 2026 Cog Marketplace Ltd. All rights reserved.