BSA Bottom Bracket made to 73.5mm to allow for facing
T45 Cro Mo Steel
1.375 x 24 TPI thread (English)
There is a facing groove to identify the left hand thread
BSA Bottom Bracket made to 73.5mm to allow for facing
T45 Cro Mo Steel
1.375 x 24 TPI thread (English)
There is a facing groove to identify the left hand thread