The open bicycle component reference
Every groupset.
Every little detail.
Find the parts. Follow the sources. Explore the components that make a bicycle your own.
An early catalogue, built one sourced record at a time.
1Manufacturers catalogued
1Groupsets catalogued
3Components catalogued
Start with the maker
Browse manufacturers
Shimano
1 groupset catalogued
Your knowledge belongs here.
Vintage or current, familiar or hard to find. Help grow the reference with a sourced manufacturer, groupset or component.
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