Spidertrax 1480 31 Spline Inner Shaft - Single 38-44 (Sa/Sb are Measured in Inches from Center of U-Joint to End of Shaft)  Spline Detail: 24/48 Pitch 45 Pressure Angle Fillet Root Side Fit  Shaft Diameter: 1.24  Material Spec: 300M Shaft w/

For over a decade Spider 9 axles and components have taken racers to an all new level of off-road performance. Our unique approach to engineering and manufacturing has repeatedly pushed our racers to 1st place championships, and we strive to push the industry each and every day. With that, we are proud to release the Pro Series 40 Spline 300M Inner Axle Shafts. We've designed these shafts with one goal in mind: to keep you on the podium. Integrated in our unique webbed designed yoke is an axle shaft capable of 50 degrees of steering, the industry's tightest steering angle for a 1480 60 style u-joint. Both axle shaft -AND- yoke are constructed out of billet domestic 300M military grade steel, while receiving AMS2759 aerospace level heat treatment. When you see the Spidertrax Pro Series tag, know that you are getting the best of the best in terms of materials and workmanship.