of a pair of conical alloy spacers. These spacers allow BB386 EVO cranksets to fit frames with a 68mm bottom bracket shell that have BB30 or PF30 bearings installed. The alloy spacers ...
Promax SC-1 Bottom Brackets are the perfect choice ...
for those who still prefer the low weight and simplicity of square taper cranks. Each bottom bracket is hand assembled using a hollow chromoly spindle, precision sealed bearings, forged and CNC-machined alloy ...