CeramicSpeed BB30 Bottom Bracket for Shimano Road Coated Color:Red Kinney Mixte City Bike -

Kinney Mixte City Bike - 7 Speed

the OSPW System delivers lower friction and longer lifetime

stronger and more durable than natural leathers

battery terminals

energy bar

CeramicSpeed BB30 Bottom Bracket for Shimano Road Coated Color:Red Kinney Mixte City Bike -The 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