ARC R8.1 2018 now available @ Quantum!
New R8.1 2018 front bulkhead features adjustable belt tension. Fine tuning of the belt tension between the front bulkhead and middle shaft base allows maximum transmission smoothness.
Option parts regularly used by ARC team drivers are now included in the R8.1 2018 kit. Aluminum Front Down Stop Arm, Front Anti-Roll Bar 2.4mm, 2.6mm and Rear Anti-Roll Bar 2.6mm. 2.8mm rear anti-roll bar is now a standard in the R8.1 2018. Different spur gear sizes and shock springs are also included for easier setup changes. Also included is the X-Hard Clutch Spring which was proven for its performance and durability in many races