Features: New RC8B4.1 RWB chassis and side guards with tapered chassis design to increase stiffness and predictability New low CG and lightweight aluminum front and rear shock towers New shorter 16mm front and rear shock bodies for lower CG and lighter weight New 6-hole 1.4mm front and 1.5mm taper rear machined shock pistons included with emulsion shock cap seals New 3-hole...

Gearbox Upgrade! The new upgraded 40/9 ring and pinion are completely re-designed with massive teeth which allow for more tooth engagement and prevent skipping. In addition, the RC8B4 front and rear gearboxes are updated for the tightest possible screw and bearing fit using high stiffness polymer. Team Associated driver Spencer Rivkin used the new parts win the 2024 ROAR...

All-new 2025 New front and rear shock towers improve suspension geometry for reduced roll & increased corner speed New shorter front and rear shocks were updated to accommodate the new suspension geometry for reduced roll & increased corner speed Split radio box ensures perfect left to right side flex that helps to generate more overall traction Updated chassis with split...

All-new front & rear semi-split bulkhead with quick differential access without disassembling suspension Reinforced V2 bulkheads feature Labyrinth Dust Covers to avoid debris inside the bulkhead assemblies New front & rear diff height adjustment through eccentric bushings Improved central drivetrain angle and height adjustment Redesigned chassis for semi-split bulkheads...