Shimano PD-M8140 Flat Pedals Deore XT Size 43-48FEATURES Two size options (SM and ML) for optimized support and pedaling efficiency Concave platform for enhanced grip, long ride comfort, and efficiency 10 pins per side with option of long or short pins Strong, durable chrome moly spindle with 8 mm hex wrench mount SM: 100 mm x 105 mm for 36 44 GR shoe ML: 110 mm x 115 mm for 43 48 GR shoe