Shimano SM-AX56-A E-Thru Axle - 12 x 142mm Rear Hub Quick-Release CheckoutSpec= TTX Air Steel (36T

Steel (36T

Built on reliable 350 hubs with 36 tooth ratchet engagement

Designed for performance in rough and smooth hardpack

} High performance bottom bracket

Trigger style shifting action

Shimano SM-AX56-A E-Thru Axle - 12 x 142mm Rear Hub Quick-Release CheckoutSpec= TTX Air Steel (36TFor modern disc brake bicycles Shimano's E THRU axles deliver ease of use and wheel fixing security thanks to quality materials and Shimano's internal cam mechanism. Weight saving design features a hollow axle Compatible with current dropout parts M12x1. 5mm axle thread pitch Color Black Rear Axle Type 12mm Thru x 142mm Weight 75 Thread Pitch 1. 5 Thread Length (mm) 15 Axle Diameter (mm) 12 Over Locknut (mm) 142 Overall Length (mm) 171 Axle Size 12 X