Sherco Swingarm Axle 5190Swing Arm Axle Aluminium Bolt M14 x 1. 25mm thread by 214mm long to the underside of the head. Fastens the swing arm to the frame and the engine, the threads can get damaged when fitting or during removal. Supersedes C154 (1999 2014) Thread pitch used to be M14 x 1. 5 on the old axles. If using this axle on a 1999>2014 bike, you will need to change the nut to a M14x1. 25 the old axle used a M14x1. 5mm thread Sherco Part 5190