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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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MOOSE RACING Chain Guide - Orange - KTM/Husqvarna G32-5303BO
MOOSE RACING
$107.95Chain derailment mid-ride costs you races and risks serious damage to your bike. The MOOSE RACING Chain Guide keeps your chain tracking true through aggressive acceleration, hard braking, and technical terrain, while its optimized 3D design sheds mud and...12311727- SKU:
- 12311727
- Availability:
- Ships Same Business Day
- Weight:
- 0.77 LBS
$107.95 -
T.M. DESIGNWORKS Wear Block & Hardware Kit - Composite - Beta RCG-BT3-CWP
T.M. DESIGNWORKS
$35.95Chain wear is inevitable on high-performance machines, but premature guide failure doesn't have to be. This T.M. DESIGNWORKS wear block kit replaces your stock guide with a longer-lasting composite design that extends service intervals and reduces...12311743- SKU:
- 12311743
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$35.95 -
ACERBIS Chain Slider - KX 250/450 2985030001
ACERBIS
$32.95Chain slap against your swingarm doesn't just create noise—it causes accelerated wear on both your chain and frame, robbing you of reliability and longevity. The ACERBIS Chain Slider is a direct replacement solution that shields your swingarm from chain...12311734- SKU:
- 12311734
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
$32.95 -
JT SPROCKETS Rear Sprocket - Aluminum - 49 Tooth - Blue - Gas Gas/Husqvarna/KTM JTA895.49BLU
JT SPROCKETS
$35.18A worn or mismatched rear sprocket directly impacts acceleration, top-end speed, and overall drivetrain efficiency on your dirt bike. The JT SPROCKETS 49-tooth aluminum sprocket delivers the precision engineering and durability needed for consistent...12112872- SKU:
- 12112872
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$35.18 -
JT SPROCKETS Rear Sprocket - Aluminum - 51 Tooth - Gold - KX 250/X JTA460.51GLD
JT SPROCKETS
$41.43Lightweight aluminum construction reduces unsprung weight and improves acceleration response, while the self-cleaning design minimizes mud and debris buildup during aggressive riding. CNC machining and aviation-grade materials ensure this sprocket...12112809- SKU:
- 12112809
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
$41.43 -
JT SPROCKETS Rear Sprocket - Aluminum - 50 Tooth - Gold - Kawasaki JTA460.50GLD
JT SPROCKETS
$40.35A rear sprocket is fundamental to your bike's acceleration and top-end performance—get the wrong tooth count, and you're leaving power on the table. The JT SPROCKETS 50-tooth aluminum sprocket delivers the perfect balance of lightweight construction and...12112843- SKU:
- 12112843
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
$40.35 -
JT SPROCKETS Rear Sprocket - Aluminum - 49 Tooth - Red - Gas Gas/Husqvarna/KTM JTA895.49RED
JT SPROCKETS
$35.18A worn or mismatched rear sprocket directly impacts your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 49-tooth aluminum sprocket delivers the durability and precision fit you need to maintain peak performance...12112852- SKU:
- 12112852
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$35.18 -
Renthal Front Sprocket 13 Tooth for Gas Gas Husqvarna KTM 517-420-13P
RENTHAL
$34.95A 13-tooth front sprocket is the direct path to sharper acceleration and quicker throttle response—essential whether you're pushing lap times or navigating technical terrain. By reducing unsprung weight and minimizing drivetrain slack, Renthal's...12122326- SKU:
- 12122326
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
WORKS CONNECTION Elite Axle Block Kit - Purple - Honda 17-P221
WORKS CONNECTION
$87.95Stock axle blocks limit your bike's ability to maintain consistent chain tension and optimal suspension geometry under load. The WORKS CONNECTION Elite Axle Block Kit converts your fixed axle design to a floating system, giving you measurably better...12311749- SKU:
- 12311749
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$87.95 -
WORKS CONNECTION Elite Axle Block Kit - Purple - YZ 250/450F 17-P281
WORKS CONNECTION
$87.95Precision axle alignment directly impacts your bike's handling and traction—especially in competitive racing where millimeters matter. The WORKS CONNECTION Elite Axle Block Kit converts your YZ's stock fixed axle design to a floating system, reducing...12311750- SKU:
- 12311750
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$87.95Qty in Cart: 0Quantity:Price:$87.95Subtotal: -
WORKS CONNECTION Elite Axle Block Kit - Purple - Gas Gas/Husqvarna/KTM 17-P252
WORKS CONNECTION
$119.95Stock fixed axle blocks limit your bike's ability to track smoothly through corners and over varied terrain—costing you traction and forcing unnecessary adjustments mid-ride. The WORKS CONNECTION Elite Axle Block Kit converts your suspension to a true...12311751- SKU:
- 12311751
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$119.95 -
MOOSE RACING 525 O-Ring Series - Drive Chain - 118 Links
MOOSE RACING
$125.95A reliable 525 O-Ring chain is fundamental to consistent power delivery and longevity in high-performance applications. The MOOSE RACING 525 O-Ring Series eliminates the maintenance burden of traditional chains while maintaining the tensile strength...12220718- SKU:
- 12220718
- Availability:
- Ships Same Business Day
- Weight:
- 5.21 LBS
$125.95 -
Renthal Rear Sprocket 52 Tooth Black Aluminum for KTM Husqvarna Gas Gas 224U-520-52GPBK
RENTHAL
$99.82If you're running a KTM, Husqvarna, or Gas Gas in competitive or high-demand riding, your rear sprocket needs to deliver consistent power transfer without unnecessary weight penalty. The Renthal 52-tooth rear sprocket cuts unsprung weight by 66% compared...12112808- SKU:
- 12112808
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$99.82 -
Rekluse RadiusX 4.0 Clutch for Suzuki GSX-R 600 2008-2025 RMS-6306002
REKLUSE
$849.00The Rekluse RadiusX 4.0 delivers the precise clutch engagement and heat management that modern track and street riding demands. Whether you're pushing hard on the circuit or commuting daily, this system eliminates lag and bite inconsistency while...11300875- SKU:
- 11300875
- Availability:
- Ships Same Business Day
- Weight:
- 3.72 LBS
$849.00 -
Rekluse RadiusX 4.0 Clutch Kawasaki Ninja 300 2013-2017 RMS-8304003
REKLUSE
$949.00If you're running a Ninja 300 hard on the track or pushing through aggressive street riding, clutch engagement directly impacts your throttle response and overall control. The Rekluse RadiusX 4.0 replaces vague, inconsistent lever feel with precise,...11300878- SKU:
- 11300878
- Availability:
- Ships Same Business Day
- Weight:
- 1.88 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kit TM 250cc-300cc 2019-2024 RMS-8318008
REKLUSE
$999.00If you're running a TM 250cc or 300cc in competitive or demanding conditions, clutch performance directly impacts your lap times and throttle response. The Rekluse RadiusX 4.0 delivers the precision engagement and heat management you need to maintain...11300879- SKU:
- 11300879
- Availability:
- Ships Same Business Day
- Weight:
- 3.21 LBS
$999.00 -
Rekluse RadiusCX Clutch Kit Gas Gas MC 65 2024-2025 751-13065
REKLUSE
$399.00If you're running a Rekluse RadiusCX on your 2024-2025 Gas Gas MC 65, wear on your friction and drive plates is inevitable. This OEM-equivalent replacement kit restores clutch engagement precision and eliminates the sluggish feel of a worn system,...11313962- SKU:
- 11313962
- Availability:
- Ships Same Business Day
- Weight:
- 1.34 LBS
$399.00 -
Renthal 50 Tooth Aluminum Rear Sprocket for Kawasaki 184U-520-50P-HA
RENTHAL
$99.82If you're serious about maximizing acceleration and reducing unsprung weight, a lightweight aluminum sprocket is one of the highest-return upgrades you can make. The Renthal 50-tooth sprocket cuts rotational mass by 66% compared to steel, translating...12112881- SKU:
- 12112881
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
$99.82 -
Rekluse Slave Cylinder Gas Gas EC 250 2021-2024 RMS-2417001
REKLUSE
$219.00If you're running a manual clutch on your Gas Gas EC 250, hydraulic feel and consistency directly impact your control in technical terrain. The Rekluse slave cylinder eliminates play and vagueness in your clutch lever, giving you the precise modulation...11321981- SKU:
- 11321981
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
$219.00 -
AXP RACING Chain Guide - Black - Honda AX1608
AXP RACING
$108.95A worn chain guide compromises both drivetrain efficiency and longevity, leading to accelerated sprocket wear and potential chain derailment under load. The AXP Racing Chain Guide replaces OEM plastic with UHMW (ultra-high-molecular-weight) polymer,...12311677- SKU:
- 12311677
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PRODUCT NAME:
- CHAIN GUIDE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- UNITS:
- EACH
$108.95
