GRX SPD's are designed to complement the GRX gravel groupsetLightweight and high performance using a forged alloy body, chrome-moly axle and a revised cleat interface for increased stabilityBeautifully constructed with a strong and slender spindle, using an 8 mm Allen wrench mounting systemSlim oval axle body housing sheds mud efficiently and reduces stictionSealed cartridge axle system for reliability and simplified low maintenanceEasy entry system and tension adjustment provides plenty of support and holds the cleat firmly in place
