The SHIMANO DEORE FRONT CHAINWHEEL, FC-M5100-B2, is the perfect mountain bike crankset for trail riding. Its 2-piece design offers increased rigidity without adding extra weight, resulting in greater pedaling efficiency. The optimized gear combination and gear ratios are ideal for 2x 11-speed drivetrains, and the 178.5 Q-factor and 51.8 Chainline are compatible with 148mm O.L.D. frames. Pair it with Linkglide or HG 11-speed chains for the ultimate riding experience!