GPM Racing 4140 Carbon Steel Rear Wheel Axle for Losi Team Losi 1/8 LMT 4WD Solid Axle Monster Truck (LMT039RS)

Replacement rear wheel axle roller for LOSI LMT – precision upgrade

This precision rear wheel axle roller is engineered for LOSI LMT 4WD solid axle monster truck chassis, serving as the driven rear axle to control wheel rotation and interface with the supplied 17×8 and 12×8 hex adapters. The axle is manufactured from carbon steel with a hardened black treatment to enhance surface hardness and wear resistance, and it includes matching set screws and hex adapters for direct interchange into the rear axle location.

Specified for model-level rebuilds and upgrade use, the component emphasises dimensional accuracy, repeatable fit, and easy serviceability. Installation requires standard hex drivers to fit the 17×8 and 12×8 adapters and secure the axle with the supplied set screws; torque and alignment checks are recommended after assembly.

Packing includes

• Rear wheel axle – 2pcs
• 17×8 Hex adapter – 2pcs
• 12×8 Hex adapter – 2pcs
• Set screws 5×5 – 2pcs
• Set screws 4×3 – 2pcs

Original Name / Part No:

LOS242051+LOS242053

Compatible Models

• LOSI-1/8 LMT 4WD SOLID AXLE MONSTER TRUCK-LOS04022
• LOSI-LMT 1/8 4WD Solid Axle Mega Truck Brushless-LOS04024
• LOSI-LMT 4WD Solid Axle Monster Truck RTR, Son-uva Digger-LOS04021T1_T2

Use this axle as a direct replacement or as a precision service spare when refurbishing the rear driveline; follow standard assembly checks to confirm adapter engagement and set screw retention.

Which LOSI LMT variants are validated with this axle?

This axle is validated for the LOSI models listed in the compatibility box; installations should follow OEM alignment and retention practices for those platforms.

What material and treatment are used?

The axle is carbon steel with a hardened black surface finish to increase hardness and reduce wear under drivetrain loads.

Recommended installation checks?

After fitting the adapters and set screws, verify axial alignment, check for endplay, and confirm set screw torque to prevent loosening during operation.

Can this part be used as an upgrade over stock?

Yes, as a hardened carbon steel replacement it serves as a robust service upgrade for rear driveline durability, provided shaft dimensions match the supplied adapters. Write Product Review Please sign in your account before you can write any review. Sign In Close

Made to order: GPM Racing parts are shipped to us from GPM’s factory, so please allow around 14 days for dispatch.