The 612 Track Crank (six-one-two) is an extremely stiff and strong 144BCD track crank. The 165mm 612 Crank is cold forged and utilizes a classic JIS square taper spindle and as a bonus comes with a color matched 46 tooth 1/8th chainring. It is at home on the busy avenues of your city as it is on the boards of the velodrome. It is a blue-collar hardworking crank that you can ride the heck out of without worry. Day in day out, on the job or just for fun, the 612 will get you there with maximum efficiency and style, and a price that won’t blow your budget. Use it on the street, use it on the boards. Whatever you throw at it, the 612 Track Crank can handle.