Discover our extensive range of RC model hop-up parts, specifically designed for enhancing your rock crawler’s performance. Our premium selection of transmissions ensures superior durability and efficiency, allowing your RC vehicle to tackle the toughest terrains with ease. Whether you’re looking to upgrade your current setup or replace worn-out components, our rock crawler transmissions offer the perfect solution for achieving optimal power and control. Explore our collection today and take your RC rock crawling adventures to the next level.

-23%
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0.125 Bore 48 Pitch 20T Motor Pinion Gear w/ Hardware for C30395

SKU: C30424
$5.99 $4.61

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $1.38 | Diff between reg and current x qty:  $1.38
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1/10 Crawler 2 Speed Gearbox w/ Servo, Motor, Transfer Case & Drive Shaft

SKU: C30565
$99.99
Diff between reg and current: | Diff between reg and current x qty: 

2.5 Ratio Reduction Gearbox for Crawler


Diff between reg and current: | Diff between reg and current x qty: 

2.5 Ratio Reduction Gearbox for Crawler

SKU: C22726SILVER
$44.99
Diff between reg and current: | Diff between reg and current x qty: 
-55%
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Alloy Gear Cover, Motor Mount & Main Gearbox Case for Axial SCX-10 Crawler

SKU: C26724BLACK
$59.99 $27.00

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $32.99 | Diff between reg and current x qty:  $32.99
-37%
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Alloy Gear Cover, Motor Mount & Main Gearbox Case for Axial SCX-10 Crawler

SKU: C26724BLUE
$59.99 $37.79

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $22.20 | Diff between reg and current x qty:  $22.20
-39%
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Alloy Gear Cover, Motor Mount & Main Gearbox Case for Axial SCX-10 Crawler

SKU: C26724GREEN
$59.99 $36.59

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $23.40 | Diff between reg and current x qty:  $23.40
-43%
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Alloy Gear Cover, Motor Mount & Main Gearbox Case for Axial SCX-10 Crawler

SKU: C26724ORANGE
$59.99 $34.19

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $25.80 | Diff between reg and current x qty:  $25.80
-43%
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Alloy Gear Cover, Motor Mount & Main Gearbox Case for Axial SCX-10 Crawler

SKU: C26724RED
$59.99 $34.19

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $25.80 | Diff between reg and current x qty:  $25.80
-21%
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Alloy Gear Cover, Motor Mount & Main Gearbox Case for Axial SCX-10 Crawler

SKU: C26724SILVER
$59.99 $47.39

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $12.60 | Diff between reg and current x qty:  $12.60

Alloy Gearbox Housing for Rock Crawler

SKU: C22700SILVER
$38.99
Diff between reg and current: | Diff between reg and current x qty: 

Alloy Lower Gearbox Housing for Axial 1/10 SCX10 II w/ LCG Transfer Case

SKU: OBM-1368BLACK
$59.99
Diff between reg and current: | Diff between reg and current x qty: 

Alloy Lower Gearbox Housing for Axial 1/10 SCX10 II w/ LCG Transfer Case

SKU: OBM-1368SILVER
$59.99
Diff between reg and current: | Diff between reg and current x qty: 
-62%
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Alloy Machined 36mm Center Drive Shaft Spline for Axial 1/10 Size Off-Road

SKU: C27162
$7.99 $3.04

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $4.95 | Diff between reg and current x qty:  $4.95
-62%
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Alloy Machined 45mm Center Drive Shaft Spline for Axial 1/10 Size Off-Road

SKU: C27163
$7.99 $3.04

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $4.95 | Diff between reg and current x qty:  $4.95
-62%
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Alloy Machined 55mm Center Drive Shaft Spline for Axial 1/10 Size Off-Road

SKU: C27164
$7.99 $3.04

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $4.95 | Diff between reg and current x qty:  $4.95
-62%
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Alloy Machined 70mm Center Drive Shaft Spline for Axial 1/10 Size Off-Road

SKU: C27165
$7.99 $3.04

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $4.95 | Diff between reg and current x qty:  $4.95
-16%
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Alloy Machined Center Drive Shafts for Axial 1/10 SCX-10 Off-Road Crawler

SKU: C30076
$29.99 $25.19

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $4.80 | Diff between reg and current x qty:  $4.80

Alloy Machined Center Drive Shafts for Axial 1/10 SCX10 II w/LCG

SKU: OBM-1345RED
$35.99
Diff between reg and current: | Diff between reg and current x qty: 

Alloy Machined Center Drive Shafts for Axial 1/10 SCX10 II w/LCG

SKU: OBM-1345SILVER
$35.99
Diff between reg and current: | Diff between reg and current x qty: 
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Alloy Machined Center Drive Shafts for Traxxas TRX-4 Crawler

SKU: C29870
$24.99
Diff between reg and current: | Diff between reg and current x qty: 
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Alloy Machined Center Drive Shafts for Traxxas TRX-4 Crawler

SKU: C30078
$29.99
Diff between reg and current: | Diff between reg and current x qty: 
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Alloy Machined Center Drive Shafts for TRX-4 Crawler (12.8-inch WB)

SKU: C29062
$20.99
Diff between reg and current: | Diff between reg and current x qty: 
-8%
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Alloy Machined Center Gearbox w/ Internals for G2 Type D90 & D110 Crawlers

SKU: C31681BLACK
$59.99 $55.19

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $4.80 | Diff between reg and current x qty:  $4.80
-28%
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Alloy Machined Center Gearbox w/ Internals for G2 Type D90 & D110 Crawlers

SKU: C31681SILVER
$59.99 $43.19

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $16.80 | Diff between reg and current x qty:  $16.80
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Alloy Machined Drive Shaft 110-138mm for 1/10 Crawler SCX-10 & TRX-4

SKU: C32247
$18.99
Diff between reg and current: | Diff between reg and current x qty: 
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Alloy Machined Drive Shaft 122-151mm for 1/10 Crawler SCX-10 & TRX-4

SKU: C32248
$18.99
Diff between reg and current: | Diff between reg and current x qty: 
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Alloy Machined Drive Shaft 85-114mm for 1/10 Crawler SCX-10 & TRX-4

SKU: C32245
$18.99
Diff between reg and current: | Diff between reg and current x qty: 
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Alloy Machined Drive Shaft 98-126mm for 1/10 Crawler SCX-10 & TRX-4

SKU: C32246
$18.99
Diff between reg and current: | Diff between reg and current x qty: 
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Alloy Machined High Performance Transmission Gear Upgrade Set for Traxxas TRX-4

SKU: C28494
$29.99
Diff between reg and current: | Diff between reg and current x qty: 

Alloy Machined Main Gearbox w/ Dig Unit for Axial SCX-10 & Wraith 2.2

SKU: C32737BLACK
$69.99
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Alloy Machined Main Gearbox w/ Dig Unit for Axial SCX-10 & Wraith 2.2

SKU: C32737GOLD
$69.99
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Alloy Machined Main Gearbox w/ Dig Unit for Axial SCX-10 & Wraith 2.2

SKU: C32737GUN
$69.99
Diff between reg and current: | Diff between reg and current x qty: 

Alloy Machined Main Gearbox w/ Dig Unit for Axial SCX-10 & Wraith 2.2

SKU: C32737RED
$69.99
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Alloy Machined Main Gearbox w/ Dig Unit for Axial SCX-10 & Wraith 2.2

SKU: C32737SILVER
$69.99
Diff between reg and current: | Diff between reg and current x qty: 
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Belt Drive Conversion for Axial 1/10 SCX-10 Type Scale Crawler

SKU: C30155RED
$20.99
Diff between reg and current: | Diff between reg and current x qty: 
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Belt Drive Conversion for Axial 1/10 SCX-10, SCX10 II & SCX10 III

SKU: C30155BLACK
$20.99
Diff between reg and current: | Diff between reg and current x qty: 
-62%
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Billet Machined Alloy Gearbox Housing for Axial SCX10 II w/ LCG Transfer Case

SKU: C27126BLACK
$119.99 $45.60

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $74.39 | Diff between reg and current x qty:  $74.39
-53%
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Billet Machined Alloy Gearbox Housing for Axial SCX10 II w/ LCG Transfer Case

SKU: C27126GUN
$119.99 $56.40

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $63.59 | Diff between reg and current x qty:  $63.59
-43%
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Billet Machined Alloy Gearbox Housing for Axial SCX10 II w/ LCG Transfer Case

SKU: C27126HARD
$119.99 $68.39

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $51.60 | Diff between reg and current x qty:  $51.60
-55%
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Billet Machined Alloy Gearbox Housing for Axial SCX10 II w/ LCG Transfer Case

SKU: C27126SILVER
$119.99 $54.00

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $65.99 | Diff between reg and current x qty:  $65.99
-34%
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Billet Machined Blue Center Drive Shafts for Axial SCX-10, Dingo, Honcho & Jeep

SKU: C27803BLUE
$39.99 $26.39

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $13.60 | Diff between reg and current x qty:  $13.60
-59%
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Billet Machined Center Drive Shafts (2) for Axial 1/10 Yeti Rock Racer

SKU: C28465
$35.99 $14.76

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $21.23 | Diff between reg and current x qty:  $21.23
-17%
Add to cart

Billet Machined Center Drive Shafts for Axial SCX-10, Dingo, Honcho & Jeep

SKU: C27803GUN
$39.99 $33.19

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $6.80 | Diff between reg and current x qty:  $6.80
-29%
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Billet Machined Center Drive Shafts for Axial SCX-10, Dingo, Honcho & Jeep

SKU: C27803RED
$39.99 $28.39

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $11.60 | Diff between reg and current x qty:  $11.60
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Billet Machined Center Drive Shafts for Element RC 1/10 Scale Enduro Sendero

SKU: C29992BLACK
$39.99
Diff between reg and current: | Diff between reg and current x qty: 
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Billet Machined Center Drive Shafts for Element RC 1/10 Scale Enduro Sendero

SKU: C29992BRONZE
$39.99
Diff between reg and current: | Diff between reg and current x qty: 
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Billet Machined Center Drive Shafts for Element RC 1/10 Scale Enduro Sendero

SKU: C29992RED
$39.99
Diff between reg and current: | Diff between reg and current x qty: 
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Billet Machined Center Drive Shafts for Element RC 1/10 Scale Enduro Sendero

SKU: C29992SILVER
$39.99
Diff between reg and current: | Diff between reg and current x qty: 
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Billet Machined Center Drive Shafts for Element RC 1/10 Scale Enduro Sendero

SKU: C29992BLUE
$39.99
Diff between reg and current: | Diff between reg and current x qty: 

Billet Machined Center Drive Shafts for Element RC 1/10 Scale Enduro Sendero

SKU: C29992GREY
$39.99
Diff between reg and current: | Diff between reg and current x qty: 

Billet Machined Center Drive Shafts for HPI 1/10 Scale Crawler King

SKU: C26503BLUE
$32.99
Diff between reg and current: | Diff between reg and current x qty: 

Billet Machined Center Drive Shafts for HPI 1/10 Scale Crawler King

SKU: C26503GREEN
$32.99
Diff between reg and current: | Diff between reg and current x qty: 

Billet Machined Center Drive Shafts for HPI 1/10 Scale Crawler King

SKU: C26503GREY
$32.99
Diff between reg and current: | Diff between reg and current x qty: 

Billet Machined Center Drive Shafts for HPI 1/10 Scale Crawler King

SKU: C26503ORANGE
$32.99
Diff between reg and current: | Diff between reg and current x qty: 

Billet Machined Center Drive Shafts for HPI 1/10 Scale Crawler King

SKU: C26503PURPLE
$32.99
Diff between reg and current: | Diff between reg and current x qty: 

Billet Machined Center Drive Shafts for HPI 1/10 Scale Crawler King

SKU: C26503RED
$32.99
Diff between reg and current: | Diff between reg and current x qty: 

Billet Machined Center Drive Shafts for HPI 1/10 Scale Crawler King

SKU: C26503SILVER
$32.99
Diff between reg and current: | Diff between reg and current x qty: 
-39%
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Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8-in WB)

SKU: C28410
$49.99 $30.49

Diff between reg and current: | Diff between reg and current x qty: 
Diff between reg and current: $19.50 | Diff between reg and current x qty:  $19.50
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Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8-inch WB)

SKU: C27926BLACK
$35.99
Diff between reg and current: | Diff between reg and current x qty: 
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Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8-inch WB)

SKU: C27926BLUE
$35.99
Diff between reg and current: | Diff between reg and current x qty: 
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Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8-inch WB)

SKU: C27926GUN
$35.99
Diff between reg and current: | Diff between reg and current x qty: 

Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8-inch WB)

SKU: C27926RED
$35.99
Diff between reg and current: | Diff between reg and current x qty: 
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Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8-inch WB)

SKU: C27926SILVER
$35.99
Diff between reg and current: | Diff between reg and current x qty: