Xt spd's are designed to take the rigours of off-road competition whilst also being perfect for cross country trail ridinglightweight 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