<div> The Ritchey P-650b is bring the finely tuned ride Ritchey steel bikes are known for to the 650b (27.5") platform. Built using Ritchey’s Logic tubing with a forged and machined tapered headtube designed for use with a 100mm travel fork and up to 2.1" tires</div><div> <ul><li>Compatible with 28.6 low clamp, top or dual pull front derailleurs</li><li>68mm English threaded bottom bracket</li></ul> </div>