it is not only lighter and thinner but also to solve the problem of easily wearing appearance.
*Size: 68mm or 73mm
*Color:Black,Silver,Red,Gold,Blue,Gray,Pink.Green.ti
* Material:CNC Durable Forged Alumium cups.
* Cups:sealed bearings(BC-1.37"thread)/1*Alloy steel with 2*O-rings/3*2.5mm spacer.
*weight:seal bearing---75grams(without 3 pc spacer)
*weight:ceramic bearing---72grams(without 3 pc spacer)
For Shimano System,
Model Code:BB1CR FOR ROAD with Ceramic bearing.
Model Code:BB1CM FOR MTB with Ceramic bearing.
Model Code:BB1SR FOR ROAD with steel seal bearing.
Model Code:BB1SM FOR MTB with steel seal bearing.
For SRAM System,
Model Code:BB2CR For Road with ceramic bearing.
Model Code:BB2CM For MTB with ceramic bearing.
Model Code:BB2SR For Road with seal bearing.
Model Code:BB2SM For MTB with seal bearing.
