ganopper 32t single speed crankset 1x mtb crank arm set 104 bcd narrow wide teeth 9s 10s 11s road bicycle crankset with 68mm 73mm bottom bracket ganopper specifications:<br><br> material: 6061 alloy crank arm&7075 alu 30t ring<br> bcd: 104 mm<br> crank arms length: 170mm<br> fit for: 9s/10s/11s mtb bmx road bike xc rail<br> bottom bracket: 68~73mm, threaded bb included in the parcel<br> color: black<br> crank screw diameter: 18mm<br> chainring size: 32t<br> shape: crown<br> chainring bolts: plating process<br><br> package includes:<br><br> 1 x one fordged crank set<br> 1 x bottom bracket<br> 1 x 32t chainring<br> 4 x chainring bolts(set)<br> 1 x m18 crank screw<br> 1 x crankset bolt allen wrench<br><br> faq<br><br> q: how many teeth on this crankset?<br> a: 32 teeth<br><br> q: what is the lenght on this arm?<br> a: 170mm<br><br> q: does this crankset come with both crank arms or just the drive side?<br> a: come with both<br><br> q: what pedal size does this crankset work with? 9/16 or 1/2?<br> a: 9/16"<br><br> q: what is the bcd of this crankset?<br> a: 104mm<br><br> q: what chain width does it use?<br> a: standard 1/2" x 1/8"<br><br> q: does this work on a square taper crankset?<br> a: it is a crankset made for hollowtech bottom brackets<br><br> q: what size bottom bracket should be used for a single speed bike?<br> a: shell width is 68~73 mm, spindle length depends on the frame you are using - if you can get it from the manufacturers website, that would be the best bet<br><br> q: does this crankset come with a bottom bracket?<br> a: yes