["MTB 170mm Crankset \n\nCrank feature:\n\nMaterial: aluminum alloy\n\nBCD:104, related holes distance: 74mm\n\nCrank length: 170mm\n\nWeight: About 658g\n\nFit for single disc, double disc, three disc 9S 10S 11S crankset\n\nBottom bracket feature:\n\nModel: BB91\n\nProcess: CNC Precision Machining\n\nMaterial: AL7075 aluminum alloy+PE hose\n\nWeight : About 98g\n\nBSA: 68-73mm\n\ndiameter: 23.798mm\n\nFor SH Prowheel Ixf 24mm Spindle Crankset, For 68mm 73mm Frame for Shell\n\nChainring feature:\n\nShape: Round\n\nSize and Weight: 32T(39.4g) ​BCD=104mm\n\nNarrow Wide tooth profiling ensures ultimate chain retention Stiff 4mm plate thickness and I-beam construction transfer loads \n\nOption information:\n\nCrank=crank+BB+ accessories\n\nCrankset 32T=crank+BB+ accessories + 32T chainring + 7075 chainring bolt\n\n\nFeatures:\nAnti-skidding, waterproof, anti-rust.\nSuitable for most of the bicycle.\nMade of aluminum alloy material, durable for use.\nEasy to install and remove.\n\nDescriptions:.\nLong using for time, exquisite workmanship.\n\nSpecifications: \nMaterial: aluminum alloy\nColor: black\nSpindle length:170mm\n\n\nPackage Included:\n1 set of Bike Crankset 170mm Crank 1X System Chainwheel\n\nNotes:\n1.Please allow slight dimension difference due to different manual measurement.\n2.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!"]