MTB · Gravel · Road

Compare bike parts by hard specs

Put offerings side by side to see which parts are lighter, check fitment, and pricing.

How to use

Filter, sort, compare

01
Pick a category
Open Bike Components and choose a live category - cassettes, rear derailleurs, cranksets, forks, or rear shocks.
02
Filter by fitment and discipline
Narrow to parts that match the bike: interfaces first, then mtb, gravel, or road.
03
Compare options
View all available offerings in the table view, or select up to three options to compare side by side.

Live in the lab

Speeds, hub body, cog range, claimed weight, and price.

Cage, mount, max cassette, clutch, and actuation.

Spindle, rings, BCD, and claimed weight.

Travel, axle, wheel size, and spring.

Eye-to-eye, stroke, mount, and spring.