Sinz Square Tapered BMX Crank Arms — alloy, 5-bolt 110mm BCD spider, black. Designed for square taper bottom brackets, available in sizes from 115mm through 180mm covering Micro through Pro class. If your frame runs a standard threaded Euro BB shell and you need replacement arms, these are the correct spec. The 5-bolt 110mm BCD spider is the standard for square taper crank chainring mounting.
Sinz is a MoJo BMX brand. Bottom bracket and chainring sold separately. Not compatible with 2-piece or splined BB setups.
Sizes: 115mm, 120mm, 125mm, 130mm, 140mm, 145mm, 150mm, 155mm, 160mm, 165mm, 170mm, 175mm, 180mm
