1/10 ROAR 13.5 Sprint Car Rules

Class Rules13.5 SprintEffective Jul 28, 2026· Updated 2 months ago

Summary of recent changes

Current class specification.

Governing

Motor & ESC

Battery & power

Tires

Chassis & Suspension

Current 13.5 ROAR-approved motor. Any ESC in blinky mode.

2S LiPo, 8.44V max full charge.

JConcepts Sprinter or GFRP Quasi Speed.

DODC rules for chassis specs and body.

v1Published.

Jul 28, 2026