Shimano SM-AX56-A 12x142 mm Rear Thru-Axle (171 mm) – Lightweight QR Design
Upgrade to Shimano’s SM-AX56-A rear thru-axle, designed to bring OEM-level stiffness, security, and ease to your bike setup. Crafted with a hollow aluminum body and quick-release cam mechanism, this axle combines lightweight performance with dependable wheel retention.
Precision-engineered to Shimano’s standards, it’s tailored for 12 × 142 mm rear frame spacing, featuring an overall length of 171 mm and M12 × 1.5 threading for seamless installation. Weighing in at approximately 75 g, it’s an ideal replacement for Deore or higher-end drivetrains looking for a reliable and clean finish.
Specifications at a glance: • Designed for 12 × 142 mm rear hubs • Overall length: 171 mm • Thread: M12 × 1.5 (approx. 15 mm length) • Materials: Hollow aluminum body with alloy lever & cam • Weight: ~75 g • Shimano part number: E-SMAX56A
