PT-6640

Eccentric BB / offset 5.5mm,

Weight:247g

Width:68 / 73mm & PF 46mm frame for Sram & Shimano cranksets

Bearings:Sealed cartridge bearings 37 * 7 (R414)

Material:Full set CNC machined Aluminum alloy

Finish:Anodized color

Option PT-6640CB Ceramic bearings