XT SPDs are designed to take the rigours of off-road competition whilst also being perfect for cross country trail riding. Lightweight & high performance using a forged alloy body chrome-moly axle & a revised cleat interface for increased stability Beautifully constructed with a strong & slender spindle using an 8 mm Allen wrench mounting system Slim oval axle body housing sheds mud efficiently & reduces stiction Sealed cartridge axle system for reliability & simplified low maintenance Easy entry system & tension adjustment provides plenty of support & holds the cleat firmly in place Weight 342 grams per pair