Trailcraft Cycles high performance aluminum direct mount crank arms are available in 127mm, 140mm, 152mm and 165mm lengths. This is the same high end crankset we use on our category leading bikes but without a bottom bracket and chainring so you can pick your own.
SRAM SPLINE chainring interface, 24mm crank spindle diameter. To see if this will work on you particular bike, we suggest identifying the bottom bracket Wheels Mfg 24mm Crank Bottom Bracket to see if these will fit your particular application or contact INFO@WHEELSMFG.COM directly.
Our direct mount crank arms system typically drop 150 grams or more off a traditional setup with a steel spindle, and our shorter sizes really allow for a dialed in ride quality - especially for shorter riders!
These crank arms fit a 68/73mm bottom bracket shell. 168mm Q-Factor.
If you are buying these for a boost (148mm) spaced bike, our friends at Wolf Tooth offer really nice 3mm offset chainrings for a 52mm chainline here - Direct Mount Chainrings for SRAM Cranks – Wolf Tooth Components
DOES NOT INCLUDE CHAINRING OR BOTTOM BRACKET! If you need arms, chainring and bottom bracket, select our complete crankset option.