ZTZ Mountain Bike 170mm Square Crankset with 104 BCD 32/34/36/38T Chainring,Aluminum Alloy MTB Crank Round Chainring and Crank, fit Shimano, SRAM, FSA (Black, 38T)

【Material】Crank and Chainring Made of aluminum alloy, light weight, stylish, flashy styling, high axial strength and compatibility 【Crank】:104/64mm.crank fit Single/Double/Triple chainring,Crank Arm length 170mm, Crank related holes distance 74m,fit 8-12S chains Single/Double/Triple Speed Chainring 【Scope of application】Squre tapered BB ,Pedal size : 9/16" , Fit For Mountain Bike, Road Bike Crank Set etc. 【Chainring】Snail single speed narrow wide teeth chainring, 104BCD, 32/34/36/38T, Round, Black, Chainring thickness 4mm (Narrow teeth: 1.9mm, Wide teeth: 3.7mm), Weight: about 45g. 【Package】1PC MTB Crankset, 1PC Mountain bike single speed chainring, 4PCS Chainring bolts.