Product Description The SM-AX720 thru-axle by Shimano - for Road and MTB The Shimano SM-AX720 thru-axle is available in two versions: for 12 x 100 mm Road front wheels and for 12 x 142 mm Road and MTB rear wheels. Thanks to the Shimano E-Thru construction, it provides optimal stiffness at minimal weight. Both the lever and the 121 or 163 mm long hollow axle are made of aluminium. Specifications: Over Locknut Dimension: front: 100 mm, rear: 142 mm Axle Diameter: 12 mm Technical Information: Use: front: 12 x 100 mm, rear: 12 x 142 Type: thru-axle with quick release lever Axle Material: Aluminium Lever Material: Aluminium Axle Length: front: 121 mm, rear: 163 mm Nominal Diameter: M12 Thread Pitch: 1.5 Features: Shimano E-Thru for Road (front, rear) and MTB (rear) hollow axle without locknut axle and lever black anodised Manufacturer Numbers: 12 x 100 mm: E-SMAX720F10012 12 x 142 mm: E-SMAX720R14212 Contents: 1 x Shimano SM-AX720 thru-axle Weight: black | 12 x 142 mm: 74 g black | 12 x 100 mm: 65 g Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com