Sinz Junior Crmo Square Tapered Euro Bottom Bracket custom-jacket and light weight

and light weight

0" and bigger

They have machined internal threads into the gears of this sprocket which eliminates the need for a chainring nut wrench and allows for more accuracy

A pair weighs 12g (

Sinz Junior Crmo Square Tapered Euro Bottom Bracket custom-jacket and light weightThe Sinz Junior Square Tapered Euro Bottom Bracket is designed for 68mm Euro bottom bracket shells and square tapered crank arms. The bottom bracket features a chromoly spindle in 108mm or 113mm lengths, sealed cartridge bearings and aluminum threaded cups. The bottom bracket includes Allen key crank arm bolts. INFO: 68mm Shell Sealed bearings Crmo square tapered spindle Aluminum 24T cups Available in 108mm and 113mm Includes crank arm bolts Required