【High Quality】: High-strength aluminum alloy material, high strength, fine workmanship, improve strength and rigidity; the surface of the 36T square taper crankset is frosted and anodized, which effectively protects the aluminum alloy body and does not fade after long-term use. The square taper bottom bracket provides better sealing and lubrication performance
【Upgrade Design】: Narrow wide teeth for better chain retention. Removable chainring ,3 pieces chainrings crankset design, easy to modify single speed crankset, dual crankset, triple crank set. The square taper bottom bracket can protect the frame and provide stronger power output, which is better than the ordinary structure of the bottom bracket. Light weight design, adding no heaviness to you bike, make riding more comfortable and relaxing
【Product Size】: 104BCD Mountain bike crankset, crank arm length: 170mm, chainring(3/32" 38T),compatible with 9/16" pedals; chain size 1/2"*1/8"; chain line 45mm; B.B.Axle recommended 117.5mm. Total diameter of chainring is 158mm (6.2in)
【Compatible】: Suitable for most of 8/9/10/11 single-speed MTB mountain bikes, road bikes, not for multi-speed bikes. The bike square taper bottom bracketis compatible with 68mm BSA bike thread bottom
【Package】: Complete set including left crankset, right crankset, chainring and 68mm x 118mm bicycle bottom bracket BSA innenlager bearing; The crank and chainring are only fit single speed, cannot be used with other speed