Dirt Bike Drivetrain
Dirt Bike Drivetrain Parts at JJ Motorsports
Enhance your dirt bike’s power transfer with premium drivetrain parts from JJ Motorsports. Find heavy-duty chains, front and rear sprockets, and clutch components designed to withstand intense riding demands. Combine these with other motocross gear and parts to maximize acceleration and ride efficiency on the track or trail.
Shop trusted brands like JT Chains for sealed chains and Renthal for ultralight sprockets. Explore related categories such as Dirt Bike Engine Parts for power upgrades or Dirt Bike Exhaust for complete tuning.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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MOOSE RACING Front Sprocket - 13 Tooth - Honda D26-11B0-13CRMO
MOOSE RACING
$18.95A worn or undersized front sprocket robs your bike of acceleration and forces your engine to work harder than necessary. The MOOSE RACING 13-tooth front sprocket restores precise power delivery to your countershaft with OEM-equivalent geometry and...12122238- SKU:
- 12122238
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
$18.95 -
MOOSE RACING Front Sprocket - 14 Tooth - Honda D26-11B0-14CRMO
MOOSE RACING
$19.95A worn or incorrect front sprocket directly impacts your bike's acceleration, top-end speed, and drivetrain longevity. The MOOSE RACING 14-tooth front sprocket delivers precision engineering with chromoly construction and heat-treated durability,...12122239- SKU:
- 12122239
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$19.95 -
MOOSE RACING Front Sprocket - 14 Tooth - Honda D26-11B1-14CRMO
MOOSE RACING
$18.95A worn or undersized front sprocket robs your bike of acceleration and top-end performance. The MOOSE RACING 14-tooth front sprocket is engineered with chromoly steel and precision broached splines to handle high-impact driveline forces without...12122240- SKU:
- 12122240
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$18.95 -
MOOSE RACING Front Sprocket - 15 Tooth - CRF150RB Expert D26-11B1-15CRMO
MOOSE RACING
$18.95Worn or damaged front sprockets compromise power delivery and accelerate wear across your entire drivetrain. The MOOSE RACING 15-tooth front sprocket restores precise engagement with your countershaft, ensuring consistent acceleration and extending the...12122241- SKU:
- 12122241
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$18.95 -
MOOSE RACING Front Sprocket - 15 Tooth - NC700X D26-11B3-15CRMO
MOOSE RACING
$31.95A front sprocket is fundamental to your drivetrain's efficiency and acceleration characteristics—get the sizing wrong, and you'll compromise throttle response or top-end capability. The MOOSE RACING 15-tooth front sprocket for the NC700X is engineered to...12122242- SKU:
- 12122242
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$31.95 -
MOOSE RACING Front Sprocket - 16 Tooth - NC750X D26-11B3-16CRMO
MOOSE RACING
$31.95A quality front sprocket is critical to maintaining consistent power delivery and extending drivetrain lifespan on your NC750X. MOOSE Racing's 16-tooth front sprocket is engineered with precision-broached splines and high-tensile chromoly steel to handle...12122243- SKU:
- 12122243
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$31.95 -
MOOSE RACING Front Sprocket - 17 Tooth - NC750XD D26-11B3-17CRMO
MOOSE RACING
$32.95A worn or incorrect front sprocket throws off your power delivery and strains your entire driveline. The MOOSE RACING 17-tooth front sprocket restores precise engagement with your countershaft, distributing forces across maximum surface area to eliminate...12122245- SKU:
- 12122245
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$32.95 -
MOOSE RACING Front Sprocket - 13 Tooth - CRF250R/RX D26-11C4-13CRMO
MOOSE RACING
$23.95A worn or incorrect front sprocket directly impacts throttle response, acceleration, and overall driveline efficiency on your CRF250R/RX. The MOOSE RACING 13-tooth front sprocket delivers precise gear engagement through broached inner splines and...12122246- SKU:
- 12122246
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$23.95 -
MOOSE RACING Front Sprocket - 14 Tooth - CRF250R/RX D26-11C4-14CRMO
MOOSE RACING
$23.95A worn or incorrectly sized front sprocket will compromise acceleration, chain wear patterns, and overall drivetrain efficiency on your CRF250R or RX. The MOOSE RACING 14-tooth front sprocket restores OEM-specification engagement while delivering the...12122247- SKU:
- 12122247
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$23.95 -
MOOSE RACING Front Sprocket - 14 Tooth - XR650R D26-12H4-14CRMO
MOOSE RACING
$25.95The front sprocket is a critical drivetrain component that directly impacts acceleration, top-end performance, and overall powerband characteristics. Upgrading to a precision-engineered sprocket like this MOOSE Racing unit ensures maximum power transfer...12122248- SKU:
- 12122248
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$25.95 -
MOOSE RACING Front Sprocket - 15 Tooth - XR650R D26-12H4-15CRMO
MOOSE RACING
$25.95A worn or incorrect front sprocket directly impacts your XR650R's acceleration, top-end performance, and clutch longevity. The MOOSE RACING 15-tooth front sprocket is precision-engineered to deliver consistent engagement and durability through demanding...12122249- SKU:
- 12122249
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
$25.95 -
MOOSE RACING Front Sprocket - 12 Tooth - KX250F D26-2151-12CRMO
MOOSE RACING
$21.95A worn or undersized front sprocket kills acceleration and limits your top-end performance on the track or trail. The MOOSE RACING 12-tooth front sprocket restores precise power delivery to your KX250F while withstanding the shock loads that destroy...12122250- SKU:
- 12122250
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$21.95 -
MOOSE RACING Front Sprocket - 13 Tooth - KFX 450 R D26-2152-13CRMO
MOOSE RACING
$21.95A worn or incorrect front sprocket directly impacts acceleration response, fuel efficiency, and drivetrain longevity on your KFX 450 R. The MOOSE RACING 13-tooth front sprocket is precision-engineered to restore OEM performance while delivering superior...12122252- SKU:
- 12122252
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
$21.95 -
MOOSE RACING Front Sprocket - 12 Tooth - KX450F/X D26-2153-12CRMO
MOOSE RACING
$18.95A worn or undersized front sprocket directly impacts acceleration response and overall drivetrain efficiency on your KX450F/X. The MOOSE RACING 12-tooth front sprocket delivers precise engagement with your countershaft while resisting the impact loads...12122253- SKU:
- 12122253
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$18.95 -
MOOSE RACING Front Sprocket - 13 Tooth - KX450F/X D26-2153-13CRMO
MOOSE RACING
$18.95A worn or incorrectly sized front sprocket kills acceleration and strains your entire drivetrain. The MOOSE RACING 13-tooth front sprocket restores precise power delivery to the rear wheel while distributing load evenly across the countershaft, reducing...12122254- SKU:
- 12122254
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$18.95Qty in Cart: 0Quantity:Price:$18.95Subtotal: -
MOOSE RACING Front Sprocket - 14 Tooth - KX450F/X D26-2153-14CRMO
MOOSE RACING
$19.95A worn or incorrect front sprocket directly impacts power delivery, acceleration response, and overall driveline efficiency on your KX450F/X. This MOOSE RACING 14-tooth sprocket delivers OEM-matched precision with superior material science—chromoly steel...12122255- SKU:
- 12122255
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$19.95 -
MOOSE RACING Front Sprocket - 15 Tooth - KX450F/X D26-2153-15CRMO
MOOSE RACING
$19.95A front sprocket carries enormous centrifugal forces and impact loads every time you accelerate. Stock sprockets wear quickly under aggressive riding, causing chain slip, delayed power delivery, and potential drivetrain failure. The MOOSE RACING 15-tooth...12122256- SKU:
- 12122256
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$19.95 -
MOOSE RACING Front Sprocket - 13 Tooth - RM-Z 450 D26-3167-13CRMO
MOOSE RACING
$22.95A worn or incorrect front sprocket directly impacts your RM-Z 450's acceleration, top-end speed, and driveline durability. The MOOSE RACING 13-tooth front sprocket is engineered with chromoly steel and precision-broached splines to handle aggressive...12122257- SKU:
- 12122257
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$22.95 -
MOOSE RACING Front Sprocket - 14 Tooth - RMZ-450 D26-3167-14CRMO
MOOSE RACING
$22.95The front sprocket is the foundation of your driveline's efficiency—get the wrong size or material, and you'll sacrifice acceleration, fuel economy, and component lifespan. The MOOSE RACING 14-tooth front sprocket delivers consistent power transfer...12122258- SKU:
- 12122258
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$22.95 -
MOOSE RACING Front Sprocket - 13 Tooth - RMZ-250 D26-3182-13CRMO
MOOSE RACING
$28.95A worn or incorrect front sprocket directly impacts acceleration, top-end speed, and driveline efficiency on your RMZ-250. The MOOSE RACING 13-tooth front sprocket restores precise engagement with your countershaft while withstanding the shock loads of...12122259- SKU:
- 12122259
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$28.95
