Compatibility & Standards
How to Check Cassette, Chain, Chainring, and Derailleur Compatibility
Matching the number of rear sprockets is not enough to establish drivetrain compatibility.
Updated August 29, 2026
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Compatibility & Standards
Matching the number of rear sprockets is not enough to establish drivetrain compatibility.
Compatibility & Standards
A tire marked “26 inch,” “28 inch,” or “700” still may not fit the wheel in front of you.
Compatibility & Standards
A handlebar and stem can share the right clamp diameter and still be wrong for the bicycle.
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