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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MOOSE RACING Front Sprocket - 13 Tooth - Husqvarna/KTM D26-5160-13CRMO
MOOSE RACING
$17.95A worn or incorrectly sized front sprocket directly impacts your power delivery, throttle response, and chain wear. The MOOSE RACING 13-tooth front sprocket restores precise engagement with your countershaft while distributing driveline forces across the...12122274- SKU:
- 12122274
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$17.95 -
MOOSE RACING Front Sprocket - 14 Tooth - Husqvarna/KTM D26-5160-14CRMO
MOOSE RACING
$18.95A worn or undersized front sprocket directly impacts throttle response, acceleration, and overall powertrain efficiency on your dirt bike or ATV. The MOOSE RACING 14-tooth front sprocket delivers the precision engagement your drivetrain demands, with...12122275- SKU:
- 12122275
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$18.95 -
MOOSE RACING Front Sprocket - 12 Tooth - Gas Gas D26-5163-12CRMO
MOOSE RACING
$22.95A worn or damaged front sprocket directly compromises power delivery and acceleration—every millisecond counts in dirt racing. The MOOSE RACING 12-tooth front sprocket is precision-machined from chromoly steel and heat-treated to handle the shock loads...12122276- SKU:
- 12122276
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$22.95 -
MOOSE RACING Front Sprocket - 13 Tooth - Gas Gas D26-5163-13CRMO
MOOSE RACING
$22.95A worn or incorrect front sprocket directly impacts throttle response, acceleration, and overall drivetrain efficiency on your Gas Gas machine. This MOOSE RACING sprocket delivers OEM-spec precision with superior material science to handle the shock...12122277- SKU:
- 12122277
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$22.95 -
MOOSE RACING Front Sprocket - 14 Tooth - CRF125F/FB D26-5176-14CRMO
MOOSE RACING
$16.95A worn or undersized front sprocket robs your CRF125F/FB of acceleration and top-end performance. The MOOSE RACING 14-tooth front sprocket delivers precise gear engagement with zero play, ensuring every bit of engine power transfers directly to the chain...12122279- SKU:
- 12122279
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$16.95 -
MOOSE RACING Front Sprocket - 14 Tooth D26-51A9-14CRMO
MOOSE RACING
$17.95Your front sprocket endures constant shock loads and wear from power delivery, making material quality and precision the difference between reliable performance and premature failure. The MOOSE RACING 14-tooth front sprocket is machined from high-tensile...12122281- SKU:
- 12122281
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
$17.95 -
Hinson Racing Clutch Kit KTM 250 SX-F 2019-2024 FSC373-7-1902
HINSON RACING
$299.99A quality clutch kit is essential for maintaining consistent engagement and durability under racing demands. The Hinson Racing Clutch Kit for KTM 250 SX-F delivers precision-engineered friction plates and steel components built to handle repeated heat...11313949- SKU:
- 11313949
- Availability:
- Ships Same Business Day
- Weight:
- 2.22 LBS
$299.99 -
Hinson Racing Clutch Kit Gas Gas EX 250 2021-2024 FSC373-8-002
HINSON RACING
$299.99Factory clutch systems struggle under aggressive riding, slipping under load and wearing prematurely. The Hinson Racing Clutch Kit FSC373-8-002 delivers precision-engineered friction plates and steel components that restore crisp engagement, extend...11313948- SKU:
- 11313948
- Availability:
- Ships Same Business Day
- Weight:
- 2.46 LBS
$299.99 -
Hinson Racing Clutch Kit for 2012-2024 KTM 500 EXC-F FSC755-8-002
HINSON RACING
$299.99If you're running a KTM 500 EXC-F hard on the trail or track, clutch wear directly impacts your ability to manage power delivery and maintain control. The Hinson Racing Clutch Kit FSC755-8-002 replaces worn friction materials and steel plates with...11313950- SKU:
- 11313950
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
$299.99 -
Hinson Racing Clutch Kit for KTM 250 SX-F 2019-2024 FSC855-7-002
HINSON RACING
$299.99KTM 250 SX-F clutch systems demand precision components that can handle aggressive engagement cycles without premature wear. This Hinson Racing Clutch Kit delivers the tight tolerances and material quality necessary to maintain consistent performance...11313951- SKU:
- 11313951
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
$299.99 -
MOOSE RACING Rebuild Kit - Master Cylinder - Clutch - Sherco 18-4031
MOOSE RACING
$39.95A leaking or spongy clutch master cylinder directly compromises your ability to modulate power and control, especially critical in high-demand riding situations. This Moose Racing rebuild kit restores your Sherco's hydraulic clutch engagement to factory...11321960- SKU:
- 11321960
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$39.95 -
MOOSE RACING Rebuild Kit - Master Cylinder - Clutch - Sherco 18-4032
MOOSE RACING
$39.95A leaking or sluggish clutch master cylinder compromises both control and safety—especially critical in racing or aggressive riding. This MOOSE RACING rebuild kit lets you restore OEM functionality and hydraulic integrity without the expense of full...11321961- SKU:
- 11321961
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
$39.95 -
MOOSE RACING Rebuild Kit - Master Cylinder - Clutch - Gas Gas/Husqvarna 18-4033
MOOSE RACING
$41.95A leaking clutch master cylinder compromises both safety and performance, reducing hydraulic pressure and creating unpredictable engagement characteristics. This MOOSE RACING rebuild kit restores your master cylinder to factory specifications without the...11321962- SKU:
- 11321962
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$41.95 -
Rekluse EXP 4.0 Clutch Kit for Suzuki DR650S 1996-2025 RMS-8106010
REKLUSE
$749.00The Rekluse EXP 4.0 transforms the DR650S into a machine that works with you instead of against you. By eliminating stalls and automating clutch engagement, you'll maintain momentum and control across technical terrain, rocky climbs, and unpredictable...11300849- SKU:
- 11300849
- Availability:
- Ships Same Business Day
- Weight:
- 2.07 LBS
$749.00 -
Rekluse RadiusCX 4.0 Clutch Kit KTM 250 EXC-F 2023-2025 RMS-8913191
REKLUSE
$1,499.00If you're running a KTM 250 EXC-F in demanding terrain or high-temperature conditions, clutch heat and engagement inconsistency will cost you lap time and reliability. The Rekluse RadiusCX 4.0 addresses this with a fundamentally redesigned internal...11300858- SKU:
- 11300858
- Availability:
- Ships Same Business Day
- Weight:
- 3.57 LBS
$1,499.00 -
Rekluse RadiusX 4.0 Clutch Yamaha MT-07 2014-2024 RMS-8307007
REKLUSE
$969.00If you're running a high-revving Yamaha MT-07, clutch response and heat management directly impact your lap times and overall reliability. The Rekluse RadiusX 4.0 delivers precise engagement control and superior durability through advanced friction...11300864- SKU:
- 11300864
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
$969.00 -
Rekluse EXP 4.0 Clutch Kit for Yamaha YZ65 2020-2025 RMS-8707072
REKLUSE
$1,059.00The Rekluse EXP 4.0 eliminates the learning curve of clutch modulation on your YZ65, letting younger riders focus entirely on line choice and throttle control instead of managing stall-prone engagement. This auto clutch system automatically adjusts to...11300865- SKU:
- 11300865
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$1,059.00 -
UFO Chain Guide - Black - KX 450 KA04766#001
UFO
$24.95A worn chain guide compromises power delivery and accelerates wear on your drivetrain—replacing it with a quality aftermarket guide restores precision and extends component lifespan. The UFO Chain Guide delivers OEM-equivalent performance in a durable,...12311701- SKU:
- 12311701
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
$24.95 -
UFO Chain Slider - Black - KX 450 KA04767#001
UFO
$19.95Chain sling and whip can accelerate swingarm wear, creating expensive damage that compounds over time. The UFO Chain Slider shields your swingarm from direct contact with the chain, extending component life and maintaining suspension geometry...12311702- SKU:
- 12311702
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$19.95 -
MOOSE RACING Front Sprocket - 15 Tooth - Suzuki 26-3162-15CRMO
MOOSE RACING
$23.95A worn or damaged front sprocket compromises your entire drivetrain's efficiency and can leave you stranded mid-ride. The MOOSE RACING 15-tooth front sprocket delivers the precision engineering and durability you need to maintain consistent power...12122171- SKU:
- 12122171
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
$23.95
