FBB-852

Left cup : Steel 1.37" x 24T (BSA)
Steel 36 x 24T (Italian)
Right cup : Steel 1.37" x 24T (BSA)
Steel 36 x 24T (Italian)
Sleeve : Alloy
Bearing : Sealed bearing 17 x 31 x 10
Bolt : M8 x 18mm / 12.9 grade
Axle : Square axle Bolt Type

Stopper Spec
2.5 mm Standard for 52/68/103
5.0 mm Standard for 52/68/107
7.5 mm Standard for 52/68/113.5