These secure the wheels to the axles

A design that has traction like a Mud Terrain

SLASH 4X4 HP GEN3 SLIPPER KIT - 54T SPUR

High strength hardware

Team Associated - Enduro Stealth X Gearbox Kit HPI115485 These secure the wheels toAt the heart of the Enduro is the revolutionary Stealth(R) X gearbox. Although the exterior appears to have a conventional 3 gear transmission look, the inside is far from conventional. The Stealth(R) X features the ability to adjust the rear drive ratio independently from the front drive across three levels: stock overdrives the front end 5. 7%, option 1 provides a one to one drive ratio front to rear, and option 2 overdrives the front end 11. 83%.