1RC Racing 1RC4001
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Rear Axle & Compound Gear 1/18 Sprint
The 1RC Racing 1RC4001 is an official factory-replacement 1/18 Rear Axle & Compound Gear Set, engineered to restore smooth drivetrain operation and power delivery across most standard 1RC Racing 1/18 scale oval platforms.
Key Features
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Direct OEM Drivetrain Replacement: Replaces worn, stripped, or bent rear axles and idler gears to eliminate drivetrain drag, chatter, and power loss.
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Factory 0.4M Pitch Gearing: Features precision-molded 0.4 Module (0.4M) gears designed for tight gear mesh tolerances, smooth engagement, and quiet performance.
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Pre-Assembled Axle Unit: Comes with the 49-tooth spur gear factory-secured to the solid rear axle shaft for true alignment and straightforward installation.
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Standard Chassis Geometry: Built to the standard track width and offset specifications shared across the majority of the 1RC oval lineup.
Technical Specifications
| Specification | Details |
| Brand | 1RC Racing |
| Part Number | 1RC4001 |
| UPC | 810178700943 |
| Scale | 1/18 Scale |
| Axle Spur Gear | 49-Tooth (49T, 0.4M) |
| Compound Gear | 44-Tooth / 12-Tooth (44T/12T, 0.4M) |
| Gear Pitch | 0.4 Module (0.4M) |
| Part Type | Rear Axle & Drivetrain Gear Assembly |
| Brand | 1RC Racing |
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