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