Shimano Extra Long SPD Cleat Fixing Bolts Description: The Shimano Extra Long SPD Cleat Fixing Bolts help to affix shimmed SPD cleats to Shimano XC70 and XC61 Shoes. Note: These have a longer than standard length of 12.5mm (for use with shims) Features: Long length cleat hardware intended for use with SPD cleats Aids in fitment of shimmed cleats with higher stack height For SM-SH51/ and SH56 cleats Hardware thread and profile optimized for Shimano XC70 and XC61 mountain bike shoes