CeramicSpeed BB30 Bottom Bracket for Shimano Road Coated Color:Black It features a single LED

It features a single LED with up to 500 lumens and disruptive Daytime Flash mode

Brakes: Shimano GRX

Not compatible with:

Shifters Shimano Revoshift (twist) 7S

2x eyelets

CeramicSpeed BB30 Bottom Bracket for Shimano Road Coated Color:Black It features a single LEDThe BB30 standard opened up design possibilities for frames. Adapting it for Shimano cranks takes a special machined aluminum threaded bottom bracket that threads into itself. Ours are finished with CeramicSpeed Bearings. You have two choices in terms of bearings. The first choice is our low drag, long life standard bearing, with hardened steel races and our super round CeramicSpeed Balls. The second choice is our coated bearing, which uses those same