Shimano SH20 SPD-SL Cleat Spacer SetUse Shimano's SH20 SPD-SL Cleat Spacers to adjust the thickness of PSD-SL cleats to compensate for variations in leg length or reach. Kit Includes: Stackable cleat shims & cleat fixing bolts1mm spacer 1pc2mm spacer 2pcsM5-10mm bolt 3pcsM5-13. 5mm bolt 3pcsSize GuideOne Size | Shimano | SH20 SPD-SL Cleat Spacer Set Black