CeramicSpeed BB30 Bottom Bracket for Shimano Road Coated Color:Black the Gan Rim frame offers

the Gan Rim frame offers a balanced combination of stiffness

Full GEAR BOX KIT includes state-of-the-art clincher repair kit

MAX LUMENS: 600

1 second inflation to get back on the road fast

Designed with comfort in mind

CeramicSpeed BB30 Bottom Bracket for Shimano Road Coated Color:Black the Gan Rim frame offersThe 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