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Hop-up Parts for Losi 1/4 Promoto-MX Motorcycle RTR

Discover top-quality hop-up parts for the Losi 1/4 Promoto-MX Motorcycle RTR, designed to enhance performance and durability. Our extensive selection includes everything you need to upgrade your RC motorcycle, from precision-engineered components to high-performance accessories. Whether you're looking to boost speed, improve handling, or increase reliability, our hop-up parts are crafted to meet the highest standards. Transform your Losi 1/4 Promoto-MX Motorcycle RTR into a powerhouse with our premium upgrades and take your RC experience to the next level. Explore our collection today and find the perfect parts to elevate your ride.
191 products

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Use part type, scale, color, or clearance filters to narrow this large collection. Stock is controlled above.

Compatible models
1/10 22S SCT & 22S Drag 1/10 Baja Rey / Hammer Rey / Rock Rey 1/10 Lasernut U4 4WD 1/10 NXT & XXXNT 1/10 Ten-T & Ten-SCTE 1/18 Mini LMT 4x4 1/18 Mini-Rock Crawler 1/18 Mini-T & Mini-DT 1/24 Micro-B 1/36 Micro-T / Micro-Baja 1/4 Promoto-MX 1/5 5IVE-T 1/5 DBXL-E 2.0 1/5 Desert Buggy XL-E 1/8 8IGHT & 8IGHT-T 1/8 LMT 2.0 4WD 1/8 LMT 4WD 1/8 LST2 & Aftershock
Part, scale, color, and sale status
Alloy Machined Servo Horn 23T & 25T w/ Saver for Losi 1/4 Promoto-MX Motorcycle

Alloy Machined Servo Horn 23T & 25T w/ Saver for Losi 1/4 Promoto-MX Motorcycle

C33864RED
Type: Servo Horn
$18.99
In stock
Alloy Machined Servo Horn 23T & 25T w/ Saver for Losi 1/4 Promoto-MX Motorcycle Save 6%

Alloy Machined Servo Horn 23T & 25T w/ Saver for Losi 1/4 Promoto-MX Motorcycle

C33864GREEN
Type: Servo Horn
$17.85 $18.99
Save 6%
In stock
Alloy Machined Servo Horn 23T & 25T w/ Saver for Losi 1/4 Promoto-MX Motorcycle

Alloy Machined Servo Horn 23T & 25T w/ Saver for Losi 1/4 Promoto-MX Motorcycle

C33864BLUE
Type: Servo Horn
$18.99
In stock
Alloy Machined Servo Horn 23T & 25T w/ Saver for Losi 1/4 Promoto-MX Motorcycle

Alloy Machined Servo Horn 23T & 25T w/ Saver for Losi 1/4 Promoto-MX Motorcycle

C33864BLACK
Type: Servo Horn
$18.99
In stock
Alloy Steering Holder for Losi 1/4 Promoto-MX Motorcycle

Alloy Steering Holder Upgrade for Losi 1/4 Promoto-MX Motorcycle Silver

C33823
Type: Motor
$13.99
In stock
Alloy Rear Caliper for Losi 1/4 Promoto-MX Motorcycle

Alloy Rear Caliper Upgrade in Silver for Losi 1/4 Promoto-MX Motorcycle

C33822
Type: Motor
$13.99
In stock
Alloy Rear Wheel Hub Hex for Losi 1/4 Promoto-MX Motorcycle Save 16%

Alloy Rear Wheel Hub Hex in Silver for 1/4 Scale Promoto-MX Motorcycle

C33821
Type: Motor
$21.83 $25.99
Save 16%
In stock
Alloy Front Wheel Hub Hex for Losi 1/4 Promoto-MX Motorcycle

Alloy Front Wheel Hub Hex in Silver for 1/4 Scale Promoto-MX Motorcycle

C33820
Type: Motor
$24.99
In stock
Alloy Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle

Alloy Crash Structure Radiator in Silver for 1/4 Scale Promoto-MX Motorcycle

C33819
Type: Motor
$29.99
In stock
Alloy Foot Pegs for Losi 1/4 Promoto-MX Motorcycle Save 16%

Alloy Foot Pegs for Losi 1/4 Promoto-MX Motorcycle

C33818
Type: Motor
$17.63 $20.99
Save 16%
In stock
Alloy Rear Brake Disc Replacement for Losi 1/4 Promoto-MX Motorcycle

Alloy Rear Brake Disc Replacement for 1/4 Promoto-MX Motorcycle

C33817
Type: Motor
$15.99
In stock
Alloy Chain Tension Adjuster Set for Losi 1/4 Promoto-MX OEM Arm

Alloy Chain Tension Adjuster Set for Losi 1/4 Promoto-MX OEM Arm | Promoto-MX Motorcycle

C33816
Type: Motor
$24.99
In stock
Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle

C33678SILVER
Type: Motor
$167.99 $199.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle

C33678RED
Type: Motor
$167.99 $199.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle

C33678ORANGE
Type: Motor
$167.99 $199.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle

C33678GREY
Type: Motor
$167.99 $199.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle

C33678GREEN
Type: Motor
$167.99 $199.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle

C33678BLUE
Type: Motor
$167.99 $199.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo E for Losi 1/4 Promoto-MX Motorcycle

C33678BLACK
Type: Motor
$167.99 $199.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle

C33677SILVER
Type: Motor
$251.99 $299.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle

C33677RED
Type: Motor
$251.99 $299.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle

C33677ORANGE
Type: Motor
$251.99 $299.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle

C33677GREY
Type: Motor
$251.99 $299.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle

C33677GREEN
Type: Motor
$251.99 $299.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle

C33677BLUE
Type: Motor
$299.99
In stock
Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo D for Losi 1/4 Promoto-MX Motorcycle

C33677BLACK
Type: Motor
$251.99 $299.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle

C33676SILVER
Type: Motor
$335.99 $399.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle

C33676RED
Type: Motor
$335.99 $399.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle

C33676ORANGE
Type: Motor
$335.99 $399.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle

C33676GREY
Type: Motor
$335.99 $399.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle

C33676GREEN
Type: Motor
$335.99 $399.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle

C33676BLUE
Type: Motor
$335.99 $399.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo C for Losi 1/4 Promoto-MX Motorcycle

C33676BLACK
Type: Motor
$335.99 $399.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle

C33675SILVER
Type: Motor
$419.99 $499.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle

C33675RED
Type: Motor
$419.99 $499.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle

C33675ORANGE
Type: Motor
$419.99 $499.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle

C33675GREY
Type: Motor
$499.99
In stock
Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle

C33675GREEN
Type: Motor
$419.99 $499.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle

C33675BLUE
Type: Motor
$419.99 $499.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo B for Losi 1/4 Promoto-MX Motorcycle

C33675BLACK
Type: Motor
$419.99 $499.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo A for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo A for Losi 1/4 Promoto-MX Motorcycle

C33674RED
Type: Motor
$503.99 $599.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo A for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo A for Losi 1/4 Promoto-MX Motorcycle

C33674ORANGE
Type: Motor
$503.99 $599.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo A for Losi 1/4 Promoto-MX Motorcycle Sold out

Billet Machined Alloy Conversion Kit Combo A for Losi 1/4 Promoto-MX Motorcycle

C33674GREY
Type: Motor
$599.99
Sold out
Billet Machined Alloy Conversion Kit Combo A for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo A for Losi 1/4 Promoto-MX Motorcycle

C33674GREEN
Type: Motor
$503.99 $599.99
Save 16%
In stock
Billet Machined Alloy Conversion Kit Combo A for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Alloy Conversion Kit Combo A for Losi 1/4 Promoto-MX Motorcycle

C33674BLUE
Type: Motor
$599.99
In stock
Billet Machined Alloy Conversion Kit Combo A for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Alloy Conversion Kit Combo A for Losi 1/4 Promoto-MX Motorcycle

C33674BLACK
Type: Motor
$503.99 $599.99
Save 16%
In stock
Carbon Fiber Front Brake Pads (2pcs) for Losi 1/4 Promoto-MX Motorcycle Save 16%

Carbon Fiber Front Brake Pads (2pcs) for Losi 1/4 Promoto-MX Motorcycle

C33670
Type: Motor
$6.71 $7.99
Save 16%
In stock
Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle

C33668SILVER
Type: Motor
$32.99
In stock
Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle

C33668RED
Type: Motor
$27.71 $32.99
Save 16%
In stock
Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle

C33668ORANGE
Type: Motor
$32.99
In stock
Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle Save 6%

Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle

C33668GREY
Type: Motor
$31.01 $32.99
Save 6%
In stock
Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle

C33668GREEN
Type: Motor
$27.71 $32.99
Save 16%
In stock
Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle

C33668BLUE
Type: Motor
$32.99
In stock
Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Fork Lug Set for Losi 1/4 Promoto-MX Motorcycle

C33668BLACK
Type: Motor
$27.71 $32.99
Save 16%
In stock
11T Front Chain Sprocket for Losi 1/4 Promoto-MX Motorcycle Save 9%

11T Front Chain Sprocket for Losi 1/4 Promoto-MX Motorcycle

C33662
Type: Motor
$8.18 $8.99
Save 9%
In stock
Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle Save 16%

Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle

C33661SILVER
Type: Motor
$41.99 $49.99
Save 16%
In stock
Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle Save 9%

Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle

C33661RED
Type: Motor
$45.49 $49.99
Save 9%
In stock
Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle

Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle

C33661ORANGE
Type: Motor
$49.99
In stock
Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle Save 16%

Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle

C33661GREY
Type: Motor
$41.99 $49.99
Save 16%
In stock
Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle Save 11%

Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle

C33661GREEN
Type: Motor
$44.49 $49.99
Save 11%
In stock
Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle Save 11%

Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle

C33661BLUE
Type: Motor
$44.49 $49.99
Save 11%
In stock
Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle Save 16%

Front Mechanical Brake Caliper for Losi 1/4 Promoto-MX Motorcycle

C33661BLACK
Type: Motor
$41.99 $49.99
Save 16%
In stock
Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle

C33650SILVER
Type: Motor
$29.99
In stock
Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle

C33650RED
Type: Motor
$25.19 $29.99
Save 16%
In stock
Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle Save 9%

Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle

C33650ORANGE
Type: Motor
$27.29 $29.99
Save 9%
In stock
Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle

C33650GREY
Type: Motor
$29.99
In stock
Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle

C33650GREEN
Type: Motor
$25.19 $29.99
Save 16%
In stock
Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle

C33650BLUE
Type: Motor
$29.99
In stock
Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Crash Structure Radiator for Losi 1/4 Promoto-MX Motorcycle

C33650BLACK
Type: Motor
$29.99
In stock
Machined 50T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 50T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33647SILVER
Type: Motor
$15.95 $18.99
Save 16%
In stock
Machined 50T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 50T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33647RED
Type: Motor
$15.95 $18.99
Save 16%
In stock
Machined 50T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 50T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33647ORANGE
Type: Motor
$15.95 $18.99
Save 16%
In stock