Compatibility :Suitable for Shimano SPD SM-SH51/SH56 series pedals, and suitable for indoor rotation,MTB mountain biking, outdoor cycling Bike
Material :Made of durable high-hardness stainless steel, 2 pieces weight only 52.5g anti-slip and wear-resistant, secure the stability of shoes and pedals, ensure riding safety
Easy Mounting :Install it on the cycling shoes and adjust the position of the anti-slip spikes on the bottom of the cycling shoes. Tighten the bolts before riding to reduce the chance of falling off during riding
Single release:The SPD BH-51 releases the MTB cleats by twisting the heel to the outside, easy single release, very convenient and suitable for beginners
Multi release:The SPD BH-56 multi-release cleats are clipped at multiple angles without the need to worry about disengagement. The cleats have 5° rotation adjustment, adjust the cleats to the right position, to enhance your riding experience