donsp1986 crankset set single speed 46t 170mm crankarms 130 bcd for mountain road bike fixed gear bicycle (square taper, black) (46t, sprocket) donsp1986 crank arm length: 170mm (6.69 inch);bb: excluded;weight: approx 650g/set;package include: 1* 46t bike crankset set;<br> <br> faq: <br> q:how many teeth on this crankset?<br> a: 46t<br> q: what is the lenght on this arm?<br> a: 170mm (length between two center hole)<br> q: does this crankset come with both crank arms or just the drive side?<br> a: come with both<br> q: what pedal size does this crankset work with? 9/16 or 1/2?<br> a: 9/16"<br> q: what is the bcd of this crankset?<br> a: 130mm<br> q: what chain width does it use?<br> a: standard 1/2" x 1/8"<br> q: does this work on a square taper crankset?<br> a: it is a crankset made for square taper bottom brackets<br> q: what size bottom bracket should be used for a single speed bike?<br> a: shell width is 68 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> q: does this crankset come with a bottom bracket?<br> a: no