Rotor Flow Crankset Lightly used crank set with rotorchain rings and smooth bottom bracket. Set came on a recent bike purchase. Appearsto have low use, paint still on the teeth of the chain rings. This crank set isvery stiff and the BB rolls like butter. No issues at all. Went a differentdirection with my bike build. Spindle Size: 30mm • Crank armlength: 172.5mm • 110BCD Bottom Bracket included - RotorPressFit 4630. Many other types available. Willing to ship CONUS only pleaseand local pickup. All items will be packed and shipped with care and trackingnumber provided. Please let me know if you have any additional questions. Rotor Product Description: Themoment you clip in and set off in pursuit of performance, that´s when you knowhow fast you can actually go. Designed using CFD (computational fluid dynamics)to maximize benefits, the paradigm-changing FLOW aero crank was made for bothaero road bikes and pure TT bikes. It offers the time savings of classic aerocranks and the performance of leading road cranks, all at once. The focus onstiffness and functionality allow the FLOW to match and even beat full aerocranks in the real world. Stiffer than any other aero crank on the market, theFLOW saves you up to 6 seconds in a 40k TT.