Parts & Upgrades

The Front Chain Sprocket for the Losi Promoto-MX/SM is made of metal and injection molded plastic.

Overview Install eye-catching plastics panels and graphics onto your Promoto-MX and transform your Promot...

This set of replacement Transmission Gears are compatible for the Losi Promoto-MX/SM and are made with injection molded plastic.

This replacement front and rear axle for your Losi Promoto-MX is made of durable, strong steel.

This is a Spring Tuning Set for the Losi Promoto-MX/SM.

The replacement Flywheel Housing Set for the Losi Promoto-MX/SM is made of injection molded plastic. .

This Machine Shock Piston makes for precise fit and fluid control. It is made from computer machined plastic with Teflon.

Overview Take your Promoto-MX to the next level by removing the stock injected upper and lower shock caps...

This Transmission Housing Set is made with injection molded plastic and is compatible with the Promoto-MX/SM.

Losi - LOSA6937The 5x10mm Shielded Ball Bearing(2): 8X, 8XE by Losi is a quality built accessory.Product SpecificationsPart Type: Chassis Parts

Overview Take your Promoto-MX to the next level by removing the stock injected front and rear hubs and in...

This is a replacement Triple Clamp Set for the Losi Promoto-MX/SM. It is made of injection molded plastic with coated metal hardware.

These Losi factory replacement parts are made of injection molded plastic.

Overview Take your Promoto-MX to the next level by removing the stock injected front and rear triple clam...

This is a set Losi factory replacement parts that include Fork Shaft Lugs, Fork Shafts, and Piston Shafts that are compatible with the Losi Promoto...

This complete Slipper Assembly unit is made from genuine Losi parts and is compatible with the Losi Promoto-MX/SM.

This replacement Front Bulkhead for the Losi Promoto-MX/SM is made of injection molded plastic and Losi hardware.

This Chassis Side Cover Set, which is made of injection molded plastic, is a replacement part for the Losi Promoto-MX/SM.

This is a replacement Servo Saver for the Losi Promoto-MX/SM.

This is a replacement 70 link roller drive chain for the Losi Promoto-MX/SM.

This is a replacement Fork Tube Set for the Losi Promoto-MX/SM.

This Bearing Set is designed to seal the Losi Promoto-MX/SM steering shaft.

Overview Take your Promoto-MX to the next level by removing the stock steel lower fork lugs and installing the optional titanium lower fork lu...

This Carbon Chassis Plate Set is lightweight and made from 3mm thick carbon fiber that has been machine cut for accuracy.

Upgrade your Losi Promoto-MX/SM with a green anodized Triple Clamp Set that is made from 6061-T6 aluminum.

This is a replacement Rear Hub Chain Sprocket that is made of 7075-T6 aluminum.

Overview Install eye-catching plastics panels and graphics onto your Promoto-MX and transform your Promo...

This Hub Chain Sprocket is made from gold anodized 7075-T6 aluminum and makes a wonderful direct replacement for the rear sprocket on the Losi Prom...