Element RC have announced the release of their Enduro trial truck builder’s kit – the build-it-yourself variant of the newly introduced Enduro trail truck series. At the heart of the Enduro is the new Stealth X gearbox. Although the exterior appears to have a conventional 3-gear transmission look, the inside is far from conventional. The gearbox features the ability to adjust the rear drive ratio independently from the front drive in three levels. Stock overdrives the front end 5.7 percent, option 1 provides a one-to-one drive ratio front to rear, and option 2 overdrives the front end 11.83 percent. Feeding…