PT-6635SL
Adapts for BB386 frame
Fit SHIMANO cranksets
Compatible with Shimano groups
L/R cups OD46mm
Width:86.5mm
Bearings:Sealed cartridge bearings 37 * 7 (R414)
Material:CNC machined AL6061 cups
Finish:Anodized color available
Option PT-6635SLCB Ceramic bearings