Item Type: RC Axles Material: Aluminum Alloy Front Axle Length: Approx. 145mm/5.7in Rear Axle Length: Approx. 145mm/5.7in Compatible: Universal for MN 90 99S Series 1Anti Deformation: Front and rear axles have high quality internal gears and transmission shafts, with high strength, not easy to deform, and durable. 2High Quality Material: Front and rear door axle is made of high quality aluminum alloy material, CNC accuracy machining, lightweight and beautiful. 3Standard Size: RC axles are accurately sized to ensure a perfect fit, stable performance, universal design, compatible for MN 90 99S series RC cars. 4Easy To Install: Replacement door axle, easy to install, directly replace the original plastic door axle, fixed with screws, stable and not easy to loosen. 5Upgrade Parts: RC front and rear axles, professional upgrade accessories for upgrading your RC car, making your car more attractive and cool.1 x Front Axle 1 x Rear Axle 10 x Screw 1. Manual measurement, please allow 0.04?0.12in error. 2. The monitor calibration is inconsistent, the color of the item shown in the photo may be slightly different from the actual object.