SRAM Maxle Ultimate 12x142mm Rear Axle size-34-9mm and Castelli's proprietary Nano Flex

and Castelli's proprietary Nano Flex is often imitated but never equaled

Screen print artwork

Permanently and securely attach your Park Tool Shop Repair Stand to the floor

fast dry times

The #2 is a 1/4" shaft

SRAM Maxle Ultimate 12x142mm Rear Axle size-34-9mm and Castelli's proprietary Nano FlexAbout SRAM Maxle Ultimate 12x142mm Rear Axle Maxle Ultimate is the easiest to operate axle system in the world. No tools, no worries, so you can concentrate on the trail ahead. Features Internal Cam system High Clamping force Specifications Style (AX): Ultimate Lever Mechanism: Internal Cam Hub OLD: 12x142 Axle length (AX): 174mm Orientation (AX): Rear Thread Pitch: M12x1. 75 Thread Length: 20mm Colour (AX): Black Application (AX): Rear Model ID: AX