【Compatibility】100% for all Shimano SPD compatible enables you stable and comfortable pedalling in your cycle. 【Avoid Power Loss】Top level energy transformation, providing a secure connection and improving your pedalling efficiency. 【Ensure Riding Safety】Made of sturdy and durable metal material to ensure that the product does not fracture, and to let your feet rotate about a vertical angle without disengaging and keep stable riding during cycling. 【Float & Single Release】4° of rotational adjustment give you enough space to move around for a comfortable riding and joint stressalleviating. Single Direction Release your cleats, only release from the pedal when you twist your heel outwards.