SHIMANO XTR PD-M9000 Race SPD MTB Bike Bicycle Pedals Set (Clipless 9/16", SM-SH51 cleats) IPDM9000 Wide pedal-to-shoe contact area; Wider bearing placement for increased rigidity Slimmer, lighter axle; Low platform height for pedaling stability Oval shape axle body housing for smoother mud & debris flow; Compatible with SM-SH51 and SM-SH56 cleats Adjustable entry and release tension settings; Strong, durable chrome-moly spindle with 8mm hex wrench mount Shimano Claimed weight of 310 grams; two-year warranty