Related product

BSA / EXTERNAL BB for SHIMANO

PT-6628D

Forged alloy and CNC machined cups
Alloy shell w/ double o-ring seals
Double Sealed Cartridge Bearings
BC 1.37" x 24T - 68 and 73m width
Anodized
Weight  111g
Copatible with SHIMANO groups (MTB/Road)
PT-6628DCB for ceramic bearing

click for drawing : PT-6628D
click for drawing : PT-6628DCB