Sinz Stem Locks

Sinz Stem Locks

Sinz stem locks are a superior alternative to internal stem nuts. They clamp from the top of the stem to the bottom of the fork, keeping headsets tight. Lengths range from 175 to 270 millimeters. They are made from 6000-series aluminum alloy and are anodized black.   

• 1-1/8" Black = 70grams

• 1" Black = 55grams

Sinz Stem Lock $24.99 each