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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On Sale
SUPERSPROX Rear Sprocket - Black - Kawasaki - 48-Tooth RAL-808-48-BLK
SUPERSPROX
MSRP: $69.95Now: $59.46Was: $69.95A rear sprocket is one of the most critical drivetrain components for chain wear and overall performance—and inferior aluminum can lead to premature tooth wear, increased maintenance costs, and power loss. The SUPERSPROX 48-Tooth Rear Sprocket is...12111948- SKU:
- 12111948
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- STREET
- MODEL:
- ALUMINUM
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
MSRP: $69.95Now: $59.46Was: $69.95Qty in Cart: 0Quantity:Price:MSRP: $69.95Now: $59.46Was: $69.95Subtotal: -
On Sale
SUPERSPROX Rear Sprocket - Black - Kawasaki - 50-Tooth RAL-808-50-BLK
SUPERSPROX
MSRP: $69.95Now: $59.46Was: $69.95A worn or suboptimal rear sprocket directly impacts acceleration, top-end speed, and chain longevity. The SUPERSPROX 50-tooth rear sprocket replaces OEM components with a precision-engineered upgrade that reduces unsprung weight while delivering superior...12111950- SKU:
- 12111950
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 520
- MODEL:
- ALUMINUM
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
MSRP: $69.95Now: $59.46Was: $69.95 -
On Sale
SUPERSPROX Rear Sprocket - Orange - KTM/Husqvarna - 49-Tooth RAL-990-49-ORG
SUPERSPROX
MSRP: $69.95Now: $59.46Was: $69.95A lightweight rear sprocket is fundamental to maximizing your KTM or Husqvarna's acceleration and throttle response, especially in competitive riding where every fraction of a pound matters. The SUPERSPROX 49-tooth rear sprocket delivers measurable...12111955- SKU:
- 12111955
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ORANGE
- MODEL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- RIDING STYLE:
- OFF-ROAD
MSRP: $69.95Now: $59.46Was: $69.95Qty in Cart: 0Quantity:Price:MSRP: $69.95Now: $59.46Was: $69.95Subtotal: -
On Sale
SUPERSPROX Rear Sprocket - Black - Kawasaki - 51-Tooth RAL-457-51-BLK
SUPERSPROX
MSRP: $64.95Now: $55.21Was: $64.95A worn or stock sprocket introduces drivetrain inefficiency and accelerates chain wear—costly problems that compound quickly on the track or trail. The SUPERSPROX 51-tooth rear sprocket delivers measurable improvements in acceleration response and chain...12112059- SKU:
- 12112059
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 51
- CHAIN SIZE:
- 420
- MATERIAL:
- 7075-T6 ALUMINUM
- MODEL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
MSRP: $64.95Now: $55.21Was: $64.95 -
UFO Chain Roller - Honda CR125R/CR250R/CR500R - Black HO03659-001
UFO
$14.95A worn or damaged chain roller costs you power transfer and accelerates sprocket wear—two things you can't afford in competitive racing or serious trail riding. The UFO Chain Roller maintains precise chain alignment and reduces friction across your...123659- SKU:
- 123659
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
$14.95 -
Hinson Racing Billet Clutch Basket 2003-2005 Kawasaki KX125 H195
HINSON RACING
$284.99Stock clutch baskets are a weak link in high-performance applications, leading to premature wear, inconsistent engagement, and increased rider fatigue. The Hinson Racing Billet Clutch Basket H195 eliminates these issues with billet T-6 aluminum...H195- SKU:
- H195
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- COLOR/FINISH:
- AKADIZED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- MODEL:
- BILLETPROOF
- PRODUCT NAME:
- CLUTCH BASKET
$284.99Qty in Cart: 0Quantity:Price:$284.99Subtotal: -
Hinson Racing Clutch Basket 1987-1999 Honda CR125R H240
HINSON RACING
$299.99If you're running a CR125R in competition or pushing hard on the trail, your clutch basket endures constant thermal and mechanical stress that stock components simply can't handle. The Hinson Racing H240 delivers race-proven reliability with a...11320078- SKU:
- 11320078
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- COLOR/FINISH:
- AKADIZED
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- PRODUCT NAME:
- CLUTCH BASKET
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MODEL:
- BILLETPROOF
- RIDING STYLE:
- OFF-ROAD
$299.99 -
Hinson Racing Billet Clutch Basket 2008-2022 Suzuki RM-Z 450 H430
HINSON RACING
$284.99Stock clutch baskets wear quickly under racing conditions, leading to inconsistent clutch feel and increased pull effort that fatigues your hand over long motos. The Hinson Racing H430 replaces that weakness with a billet-aluminum basket engineered to...11320861- SKU:
- 11320861
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- MODEL:
- BILLETPROOF
- PRODUCT NAME:
- CLUTCH BASKET
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- AKADIZED
$284.99Qty in Cart: 0Quantity:Price:$284.99Subtotal: -
Hinson Racing Cushion Kit Yamaha YZ450F 2003-2022 CU216
HINSON RACING
$55.99Primary gear vibration directly impacts clutch engagement quality and overall drivetrain responsiveness—especially critical on high-revving four-strokes like the YZ450F. The Hinson Racing Cushion Kit CU216 replaces worn or damaged cushioning elements in...11320865- SKU:
- 11320865
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- CLUTCH
- UNITS:
- 8 PACK
- MATERIAL:
- RUBBER
- MODEL:
- BILLETPROOF
- PRODUCT NAME:
- CUSHION
- RIDING STYLE:
- ATV
$55.99 -
Hinson Racing Billet Clutch Basket 2014-2018 Yamaha YZ250F H441
HINSON RACING
$299.99Stock clutch baskets wear quickly under racing conditions, leading to increased clutch pull effort and inconsistent performance when you need reliability most. The Hinson Racing Billet Clutch Basket H441 eliminates these issues with a hard-coated T-6...11320908- SKU:
- 11320908
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MODEL:
- BILLETPROOF
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- AKADIZED
- PRODUCT NAME:
- CLUTCH BASKET
$299.99Qty in Cart: 0Quantity:Price:$299.99Subtotal: -
Hinson Racing Inner Hub with Pressure Plate for 2018-2019 Husqvarna FC 450 Rockstar Edition H573
HINSON RACING
$519.99If you're running your FC 450 at the limit, clutch performance directly impacts your ability to modulate power delivery and maintain consistency through technical sections. The Hinson Racing Inner Hub eliminates the variables that cause premature wear...11320938- SKU:
- 11320938
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- PRODUCT NAME:
- CLUTCH KIT
- MODEL:
- BILLETPROOF
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- AKADIZED
$519.99Qty in Cart: 0Quantity:Price:$519.99Subtotal: -
Hinson Racing Clutch Kit Yamaha YZ125 2005-2024 HC240
HINSON RACING
$1,129.99If you're running a YZ125 hard enough to matter, your clutch is working harder than most. The Hinson Racing HC240 delivers the precise engagement and thermal stability you need to keep your bike consistent lap after lap, whether you're pushing track days...11300240- SKU:
- 11300240
- Availability:
- Ships Same Business Day
- Weight:
- 4.85 LBS
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- BILLETPROOF
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
$1,129.99 -
Hinson Racing BTL Slipper Clutch 2016-2022 Husqvarna FC450 BTL570
HINSON RACING
$1,149.99The Hinson Racing BTL570 Slipper Clutch gives you MotoGP-level engine braking control, eliminating the wheel-hop and instability that stock clutches introduce during hard trail-braking into corners. By managing engine braking force through a fully...11300251- SKU:
- 11300251
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- COLOR/FINISH:
- AKADIZED
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- PRESSURE PLATE
- UNITS:
- KIT
- TYPE:
- CLUTCH HUB
$1,149.99Qty in Cart: 0Quantity:Price:$1,149.99Subtotal: -
Rekluse Core EXP 3.0 Clutch for 2015-2020 Honda CRF450R RMS-7734
REKLUSE
$969.00If you're running a 2015-2020 CRF450R, the Rekluse Core EXP 3.0 delivers the control you need without sacrificing the precision that competitive riding demands. This centrifugal auto clutch eliminates lever fatigue during aggressive riding while...11300639- SKU:
- 11300639
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- UNITS:
- KIT
- MODEL:
- CORE EXP™ 3.0
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- AUTO CLUTCH
- RIDING STYLE:
- OFF-ROAD
$969.00Qty in Cart: 0Quantity:Price:$969.00Subtotal: -
Rekluse Core EXP 3.0 Clutch Kit for Kawasaki KX85 2001-2024 RMS-7742
REKLUSE
$859.00If you're running a KX85 in competitive or high-volume riding conditions, clutch control and heat management directly impact your lap times and reliability. The Rekluse Core EXP 3.0 eliminates the learning curve of traditional manual clutch modulation...11300640- SKU:
- 11300640
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- UNITS:
- KIT
- MODEL:
- CORE EXP™ 3.0
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- AUTO CLUTCH
- RIDING STYLE:
- OFF-ROAD
$859.00 -
Rekluse RadiusCX Clutch Pack for 2016-2018 KTM 125 SX 751-13091
REKLUSE
$389.00If you're running a Rekluse RadiusCX auto clutch on your 2016-2018 KTM 125 SX, worn friction and drive plates directly compromise your power delivery and throttle response. This OEM-spec replacement pack restores the crisp engagement and seamless...11313583- SKU:
- 11313583
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- MODEL:
- RADIUS CX
- PRODUCT NAME:
- CLUTCH PACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PACK
$389.00 -
Rekluse Clutch Kit Yamaha YZ85 2002-2025 782-237
REKLUSE
$197.00The Rekluse EXP 3.0 clutch kit transforms throttle control and engagement consistency on your YZ85, giving young riders the confidence to progress faster with predictable power delivery. Factory clutches lack the progressive engagement that modern...11313593- SKU:
- 11313593
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
$197.00Qty in Cart: 0Quantity:Price:$197.00Subtotal: -
Rekluse Billet Slave Cylinder for Sherco 450 SEF-R 2015-2021 RMS-2408004
REKLUSE
$209.00If you're running a manual clutch setup on your Sherco 450 SEF-R, the hydraulic slave cylinder is your direct connection to consistent engagement and precise control. A worn or failing slave cylinder degrades that critical feedback and can leave you...11321512- SKU:
- 11321512
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- COLOR/FINISH:
- HARD ANODIZED
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- UNITS:
- KIT
- PRODUCT NAME:
- SLAVE CYLINDER
$209.00 -
Rekluse Core Manual TorqDrive Clutch Kit for Beta 350 RR Race Edition 2020-2024 RMS-7102028
REKLUSE
$1,099.00If you're running a Beta 350 RR Race Edition and demand clutch performance that matches your engine's output, the Rekluse Core Manual TorqDrive clutch kit delivers the torque capacity and engagement consistency that separates competitive lap times from...11300571- SKU:
- 11300571
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- CORE MANUAL TORQ-DRIVE
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- KIT
$1,099.00 -
Rekluse Clutch Pack Suzuki RM-Z450 2008-2023 750-06064
REKLUSE
$339.00If you're running a Rekluse Core Manual TorqDrive clutch on your RM-Z450, worn friction disks directly compromise your power delivery and throttle response. This OEM Rekluse clutch pack restores the precise engagement and durability your bike demands,...11313602- SKU:
- 11313602
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- PRODUCT NAME:
- CLUTCH PACK
- UNITS:
- PACK
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- TORQDRIVE®
$339.00
