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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
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

C33647GREY
Type: Motor
$15.95 $18.99
Save 16%
In stock
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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

C33647GREEN
Type: Motor
$15.95 $18.99
Save 16%
In stock
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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

C33647BLUE
Type: Motor
$15.95 $18.99
Save 16%
In stock
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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

C33647BLACK
Type: Motor
$15.95 $18.99
Save 16%
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Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle

C33646SILVER
Type: Motor
$35.99
In stock
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Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle

C33646RED
Type: Motor
$30.23 $35.99
Save 16%
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Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle

C33646ORANGE
Type: Motor
$30.23 $35.99
Save 16%
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Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle

C33646GREY
Type: Motor
$35.99
In stock
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Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle Save 11%

Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle

C33646GREEN
Type: Motor
$32.03 $35.99
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Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle

C33646BLUE
Type: Motor
$30.23 $35.99
Save 16%
In stock
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Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Transmission Housing Set for Losi 1/4 Promoto-MX Motorcycle

C33646BLACK
Type: Motor
$35.99
In stock
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Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33644SILVER
Type: Motor
$29.99
In stock
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Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33644RED
Type: Motor
$25.19 $29.99
Save 16%
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Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33644ORANGE
Type: Motor
$29.99
In stock
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Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33644GREY
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33644GREEN
Type: Motor
$29.99
In stock
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Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33644BLUE
Type: Motor
$29.99
In stock
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Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Beadlock Rear Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33644BLACK
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle Save 11%

Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33643SILVER
Type: Motor
$26.69 $29.99
Save 11%
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Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33643RED
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33643ORANGE
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33643GREY
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33643GREEN
Type: Motor
$29.99
In stock
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Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33643BLUE
Type: Motor
$29.99
In stock
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Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Beadlock Front Wheel Reinforcement Ring Set for Losi 1/4 Promoto-MX Motorcycle

C33643BLACK
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33642SILVER
Type: Motor
$32.75 $38.99
Save 16%
In stock
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Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33642RED
Type: Motor
$32.75 $38.99
Save 16%
In stock
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Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33642ORANGE
Type: Motor
$32.75 $38.99
Save 16%
In stock
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Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33642GREY
Type: Motor
$32.75 $38.99
Save 16%
In stock
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Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33642GREEN
Type: Motor
$38.99
In stock
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Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33642BLUE
Type: Motor
$32.75 $38.99
Save 16%
In stock
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Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Rear Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33642BLACK
Type: Motor
$32.75 $38.99
Save 16%
In stock
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Performance Stainless Steel Front Brake Disc for Losi 1/4 Promoto-MX Motorcycle Save 16%

Performance Stainless Steel Front Brake Disc for Losi 1/4 Promoto-MX Motorcycle

C33641
Type: Motor
$14.27 $16.99
Save 16%
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Performance Stainless Steel Rear Brake Disc for Losi 1/4 Promoto-MX Motorcycle Save 16%

Performance Stainless Steel Rear Brake Disc for Losi 1/4 Promoto-MX Motorcycle

C33640
Type: Motor
$7.55 $8.99
Save 16%
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Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle

C33637SILVER
Type: Motor
$109.99
In stock
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Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle

C33637RED
Type: Motor
$92.39 $109.99
Save 16%
In stock
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Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle

C33637ORANGE
Type: Motor
$92.39 $109.99
Save 16%
In stock
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Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle

C33637GREY
Type: Motor
$109.99
In stock
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Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle

C33637GREEN
Type: Motor
$92.39 $109.99
Save 16%
In stock
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Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle Save 16%

Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle

C33637BLUE
Type: Motor
$92.39 $109.99
Save 16%
In stock
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Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle

Billet Machined Chassis Side Cover Set for Losi 1/4 Promoto-MX Motorcycle

C33637BLACK
Type: Motor
$109.99
In stock
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Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33635SILVER
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33635RED
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33635ORANGE
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33635GREY
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33635GREEN
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33635BLUE
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 30T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33635BLACK
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33634SILVER
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33634RED
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33634ORANGE
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33634GREY
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33634GREEN
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33634BLUE
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle Save 16%

Machined 40T Hard Anodized Transmission Gear for Losi 1/4 Promoto-MX Motorcycle

C33634BLACK
Type: Motor
$15.95 $18.99
Save 16%
In stock
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Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle

Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33628SILVER
Type: Motor
$29.99
In stock
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Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 11%

Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33628RED
Type: Motor
$26.69 $29.99
Save 11%
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Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33628ORANGE
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle

Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33628GREY
Type: Motor
$29.99
In stock
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Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33628GREEN
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33628BLUE
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Knuckle & Pull Rod w/ 4X10mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33628BLACK
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33627SILVER
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33627RED
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33627ORANGE
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33627GREY
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33627GREEN
Type: Motor
$29.99
In stock
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Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33627BLUE
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle Save 16%

Front Wheel Hub w/ 5X16mm Bearings for Losi 1/4 Promoto-MX Motorcycle

C33627BLACK
Type: Motor
$25.19 $29.99
Save 16%
In stock
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Billet Machined Rear Swing Arm for Losi 1/4 Promoto-MX Motorcycle Sold out

Billet Machined Rear Swing Arm for Losi 1/4 Promoto-MX Motorcycle

C33612SILVER
Type: Motor
$69.99
Sold out
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Billet Machined Rear Swing Arm for Losi 1/4 Promoto-MX Motorcycle Save 9%

Billet Machined Rear Swing Arm for Losi 1/4 Promoto-MX Motorcycle

C33612RED
Type: Motor
$63.69 $69.99
Save 9%
In stock
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Billet Machined Rear Swing Arm for Losi 1/4 Promoto-MX Motorcycle Save 9%

Billet Machined Rear Swing Arm for Losi 1/4 Promoto-MX Motorcycle

C33612ORANGE
Type: Motor
$63.69 $69.99
Save 9%
In stock
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