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Route 183 RC Raceway rules

Losi 22S Late Model Rules

v1
Class Rules1/10 Losi Dirt Late ModelEffective Jul 31, 2026· Updated 3 months ago

Summary of recent changes

Route 183 RC Raceway Losi Late Model rules.

Spec sheet

Governing
Notes
ROAR-approved battery; 20T pinion/84T spur 48 pitch, gear cover removed; front purple/rear orange springs
Motor & ESC
Motor type
Stock / sealed
ESC
Stock
Battery & power
Battery chemistry
LiPo
Cells
2S
Hard case
Required
Tires
Spec tire
Stock (standard or soft) and inserts only
Chassis & Suspension
Chassis
Losi Dirt Late Model (stock out of box)

1.Overview

The Losi Late Model class is to remain stock out of the box, with the following specifications.

2.Battery

Any ROAR-approved hard-case 2S battery. Battery connector may be changed.

3.Radio, Servo & ESC

Radio and receiver can be changed. Servo and ESC must remain stock.

4.Motor & Gearing

Motor must be stock. Stock gearing only: 20T pinion, 84T spur, 48 pitch (caliper readings: 11.2mm pinion, 45.2mm spur). Gear cover must be removed.

5.Chassis & Parts

No cutting, removing, or lightening of parts unless stated in the rules. All stock Losi factory parts must be used. All factory body panels must be installed, including the driver.

6.Springs & Shocks

Factory springs: front purple springs, rear orange springs (colors must be visible). Any shock oil may be used. No limiting of shock. No additional fans may be used.

7.Tires

Stock tires (standard or soft) and inserts only.