
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
RampCrab Axle widening Upgrade Parts for TRX4M, 5mm Wider on Each Side (Front & Rear), Brass Upgrades Parts for TRX4m RC Crawler Car, Fit for 1/18 TRX4-M Unlimited Trail Buggy
Amazon.com Price: $38.88 (as of 17/07/2025 22:31 PST- Details) Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
RampCrab widening upgrade kit (Ultra 11) for TRX4M can widen your TRX4m RC Car Axle by 11 mm on each side over stock, Resulting in a total width increase of 22 mm. For front and rear axles.
Say goodbye to ruined scrub radius, excessive load on the steering servo, and diminished servo power. Reset the scrub radius back to stock, ensuring ultra-responsive steering and reducing wear on your servo.
The upgrade parts for TRX4M Made of high-quality brass, it adds weight to your 1/18 RC car and makes the center of gravity lower. Offer all the benefits of wheel wideners of TRX4M without any of the drawbacks.
Brand | |
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Size |
plus11mm per side ,plus5mm (2 front for 4WS) ,plus5mm per side |
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Edition | |
Warranty |
RampCrab widening upgrade kit (Ultra 11) for TRX4M can widen your TRX4m RC Car Axle by 11 mm on each side over stock, Resulting in a total width increase of 22 mm. For front and rear axles.
Say goodbye to ruined scrub radius, excessive load on the steering servo, and diminished servo power. Reset the scrub radius back to stock, ensuring ultra-responsive steering and reducing wear on your servo.
The upgrade parts for TRX4M Made of high-quality brass, it adds weight to your 1/18 RC car and makes the center of gravity lower. Offer all the benefits of wheel wideners of TRX4M without any of the drawbacks.
Steering angle greater than 45 degrees.
Come with Bearings, Screws


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