GUIDES
Practical bicycle compatibility, component, and build guides from BikePartPicker.
Guide · Compatibility
Match a bicycle frame shell, bottom bracket, crank spindle, spacer setup, and chainline without relying on one misleading measurement.
Read Guide: Bottom Bracket and Crank Compatibility Explained
Guide · Drivetrain
Identify your wheel's installed driver, match the cassette interface, and check documented spacer, adapter, and drivetrain requirements.
Read Guide: Cassette and Freehub Compatibility: HG, Micro Spline, XD/XDR, and N3W
Guide · Compatibility
Use a practical four-question framework to check bicycle component fit, system compatibility, manufacturer support, and missing evidence.
Read Guide: How to Know if Bike Parts Are Compatible
Update · BikePartPicker Updates
Start with a reviewed stock bike, choose your size, and explore replacement parts in BikePartPicker. Follow the workflow with a Trek Checkpoint example.
Read Update: Plan Bike Upgrades Starting With the Bike You Own
Update · BikePartPicker Updates
Explore new ways to plan a bike build, including groupset packages, more parts to compare, clearer brake choices, and easier sharing.
Read Update: BikePartPicker September Update: Groupsets, Brakes, and Sharing
Update · BikePartPicker Updates
See what the BikePartPicker beta can do today, where its compatibility coverage stops, and what we plan to build next.
Read Update: BikePartPicker Is Live in Beta: What You Can Do Today and What's Next