Shimano SM-AX720-142x12mm E-Thru Axle-Rear (163mm)

Shimano SM-AX720-142x12mm E-Thru Axle-Rear, 163mm

The Shimano SM-AX720 thru-axle is available in two versions: for 100 x 12 mm Road front wheels and for 142 x 12mm Road and MTB rear wheels. Thanks to the Shimano E-Thru construction, it convinces with optimal stiffness at minimal weight. Both the lever and hollow axle are made of aluminium.

The Shimano SM-AX720-142x12mm E-Thru Rear Thru Axle is designed to provide secure wheel mounting, improved stiffness, and reliable performance for modern road and mountain bikes. Built with Shimano’s advanced E-Thru technology, this rear axle ensures strong frame-to-wheel connection while maintaining a lightweight structure. The hollow aluminium construction helps reduce weight without compromising strength, making it ideal for performance-focused riders. Its quick release lever allows fast and easy wheel installation or removal, which is perfect for riders who frequently transport or service their bikes. With a 142 x 12mm thru axle standard and precise M12 x 1.5 thread pitch, the SM-AX720 delivers stable wheel alignment and efficient power transfer. Whether you are upgrading your bike or replacing a worn axle, this Shimano thru axle offers dependable durability and smooth riding performance.

Key Features

• Model Number: SM-AX720-142x12

• Type: Thru-axle with quick release lever

• Use: Rear wheel installation

• Axle Design: Hollow axle for lightweight strength

• Material: High-quality aluminium construction

• E-Thru Technology: Ensures improved frame stiffness and wheel stability

• Quick Lever System: Enables fast and convenient wheel removal

• Precision Threading: Accurate fit with M12 x 1.5 thread pitch

• Lightweight Build: Only 74g average weight for performance riding

Product Specifications

• Product Type: Rear Thru Axle

• Brand: Shimano

• Model: SM-AX720

• Compatible Wheel Size: 142 x 12mm rear hub standard

• Axle Length: 163 mm

• Thread Pitch: M12 x 1.5

• Material: Aluminium

• Axle Construction: Hollow axle

• Average Weight: 74 g

• Axle Type: E-Thru axle with quick release lever

Build Quality & Engineering

The Shimano SM-AX720 E-Thru axle is engineered for optimal balance between strength and weight. Its aluminium construction provides excellent durability while maintaining a lightweight profile that performance riders appreciate. The hollow axle design reduces unnecessary weight without sacrificing structural integrity. Shimano’s E-Thru system improves the rigidity of the wheel-to-frame connection, helping maintain accurate alignment during intense riding conditions. This results in better power transfer, improved handling, and increased riding confidence on both road and off-road terrain.

Easy Operation / Usage

• Quick Wheel Installation: Lever design allows fast installation and removal of the rear wheel

• Secure Locking Mechanism: Tightens firmly to keep the wheel stable during rides

• Tool-Free Adjustment: Lever-based system allows easy operation without special tools

• Convenient for Transport: Makes wheel removal simple when packing or transporting the bike

Why Choose This Product

• Trusted Brand: Shimano is known worldwide for precision cycling components

• Improved Wheel Stability: E-Thru system enhances frame stiffness and alignment

• Lightweight Performance: Hollow aluminium axle keeps weight low

• Reliable Construction: Built for long-term durability and consistent performance

• Quick Release Convenience: Makes maintenance and transport easier

• Compatible Standard: Designed for 142 x 12mm rear thru axle bike frames

In the Box

• Shimano SM-AX720-142x12mm E-Thru Rear Axle (163mm)