US$ 11.99
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They replace your existing spider and chainring with one clean looking
Flatlock seams for better comfort
24mm forged chromoly spindle
next-to-skin comfort
Wheels Manufacturing PressFit 30 Bottom Bracket Adaptor for Shimano Cranks MFPN=BAG0620 They replace your existing spiderWheels Manufacturing PressFit 30 Bottom Bracket Adaptor for Shimano Cranks. Machined engineering grade Delrin inserts for adapting bottom brackets to a different type of crankset spindle.