Looking for that extra few watts? Maybe the FMB handmade tubulars will get you over the line faster!

BB alloy and ceramic-24mm

BB alloy and ceramic-24mm

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Ceramic bottom bracket 

Color: black, 

Material: 6061 Aluminum alloy+ Ceramic bearings

Compatible with 24mm external type cranksets

(Shimano, FSA, Hollowtech II, RaceFace X-Type series)

Thread : BC 1.37" x 24T English Thread

BB shell width compatibility: 68mm,73mm

Outside diameter: 41 (+0.05,-0) mm

Inner diameter : 24mm

weight: 120

Packing: 1pc/hyaline box

Features: Smooth, Especially ceramics bearings axis,  Greatly improved abrasion resistance Not easy to rust ), 

Its lubricating,  Let you Easier to play in riding competitions, More effort