2024 RCHRA XTREME STOCK CLASS RULES
(as of: Feb. 17, 2024)
RCHRA Class Category: No Prep
Chassis
Factory / OEM Chassis Only
(Traxxas Drag Slash)
(Losi 22s)
(Team Associated DR10)
- Cutting, Drilling / Modified: Not Allowed. (Exception: Relocation of Motor)
- Removal of not-needed (plastic only) OEM pieces Allowed.
- Must Retain Stock (Factory Length) Exact Wheelbase.

Tire Prep
Not Allowed.
Big Dawg Style Preps Not Allowed.
Conditioners / Rubs Allowed.

Motor
Any commonly available R/C electric motor allowed.
- Relocation: (Motor) Allowed.

ESC
Any commonly available R/C ESC allowed.

Shock Towers / Shocks
- Towers: Aftermarket / Altering Allowed.
(Add-on braces / extensions for various body mounts are ok)
- Aftermarket Shocks: Allowed.

Gearing / Transmission
- Gearing: Altered / Changed Allowed.
- Any 3-5 Gear Transmissions.
- Direct Drive: Not Allowed.
- Slipper Eliminator: Allowed.

Steering Assists
Not Allowed.

Weight
Any Allowed.
(No Weight Check at Tech)

Remote / Receiver
Any Allowed.

Battery
- Any 2s Battery.
- 8.44 max Voltage.
- Connectors: Changed Allowed.

Body (Must Cover All 4 Wheels)
- Rear wheel body cuts: Must expose at least 90% the tire from side view.
- Front wheel body cuts: Must expose at least 90% the tire from side view.
- (Rear Bumper Cut Outs Allowed)
- No more than 4 holes cut in body exposed specifically for body mounts
-
(Exceptions Apply for more than 4 body mount holes only, if needed specifically for body mounts from another chassis mount)

Tires / Wheels
Rear: (Any) Rubber Slicks / Wheels: Any
Front: (Any) Rubber Fronts. (No O-Ring's) / Wheels: Any

Wheelie Bar
Any Allowed. (No longer than the wheelbase.)

Rear Wing
Any Allowed.

Tree Start
.400 PRO TREE. (Porta-Tree Timing System)