Joined: Jul 2007
Posts: 8,618
Likes: 3,535
From: South shore, L.I., NY
Bikes: Trek Emonda SL7, Cannondale Topstone, Miyata City Liner, Specialized Chisel, Specialized Epic Evo
Shimano currently only makes 2 types of cleats for off road SPD. The 51 with 4 degrees of float and the so called multi-release 56, also with 4 degrees of float.