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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- Price
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Rekluse RadiusCX 4.0 Clutch Kawasaki KX450F 2021-2025 RMS-8904047
REKLUSE
$1,499.00The RadiusCX 4.0 Clutch delivers the precision engagement and thermal stability your KX450F demands during high-RPM racing and aggressive trail riding. Rekluse's redesigned internal geometry and proprietary friction materials eliminate dead zones in your...11300792- SKU:
- 11300792
- Availability:
- Ships Same Business Day
- Weight:
- 6.34 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch for Kawasaki KX250F 2021-2024 RMS-8904140
REKLUSE
$1,499.00If you're running a KX250F in competitive or high-heat conditions, clutch feel and reliability are non-negotiable. The Rekluse RadiusCX 4.0 delivers the precision engagement and thermal stability serious riders demand, without sacrificing the direct...11300793- SKU:
- 11300793
- Availability:
- Ships Same Business Day
- Weight:
- 4.93 LBS
$1,499.00Qty in Cart: 0Quantity:Price:$1,499.00Subtotal: -
Rekluse RadiusCX 4.0 Clutch Kit Suzuki RM-Z 250 2007-2025 RMS-8906067
REKLUSE
$1,449.00The RadiusCX 4.0 clutch is engineered to give you precise control and consistent engagement across the full throttle range, whether you're pushing hard on the track or navigating technical terrain. Rekluse's advanced wedge design and high-temperature...11300795- SKU:
- 11300795
- Availability:
- Ships Same Business Day
- Weight:
- 5.06 LBS
$1,449.00 -
Rekluse RadiusCX 4.0 Clutch Kit Yamaha YZ450F 2023-2025 RMS-8907070
REKLUSE
$1,449.00The Rekluse RadiusCX 4.0 delivers the precise clutch modulation and durability that modern YZ450F riders demand, whether you're pushing hard on the track or tackling technical terrain. With a redesigned engagement curve and reinforced internals, this kit...11300797- SKU:
- 11300797
- Availability:
- Ships Same Business Day
- Weight:
- 5.85 LBS
$1,449.00 -
Rekluse RadiusCX 4.0 Clutch KTM 250 SX 2013-2022 RMS-8913086
REKLUSE
$1,499.00The Rekluse RadiusCX 4.0 is a semi-automatic clutch engineered specifically for the KTM 250 SX to eliminate stalling in tight terrain and deliver consistent engagement across varying track conditions. If you're serious about consistency—whether in...11300814- SKU:
- 11300814
- Availability:
- Ships Same Business Day
- Weight:
- 2.04 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch for KTM 250 EXC 2023-2025 RMS-8913088
REKLUSE
$1,499.00The Rekluse RadiusCX 4.0 delivers predictable, progressive engagement that keeps your KTM 250 EXC responsive in technical terrain and demanding race conditions. Its redesigned EXP assembly and rolling contact wedges eliminate chattering and friction...11300816- SKU:
- 11300816
- Availability:
- Ships Same Business Day
- Weight:
- 4.99 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch for 2024 KTM 250 EXC-F Six Days RMS-8913097
REKLUSE
$1,599.00The Rekluse RadiusCX 4.0 delivers the refined control and consistent engagement you need when pushing your 2024 KTM 250 EXC-F Six Days to its limits. Built with an enhanced EXP assembly and rolling contact wedges, this clutch responds precisely to...11300821- SKU:
- 11300821
- Availability:
- Ships Same Business Day
- Weight:
- 4.99 LBS
$1,599.00 -
Rekluse Radius CX 4.0 Clutch Kit KTM Husqvarna Gas Gas 250cc-350cc 2023-2025 RMS-8913098
REKLUSE
$1,599.00If you're running a 250cc–350cc KTM, Husqvarna, or Gas Gas and demand precise clutch control with zero hesitation, the Rekluse Radius CX 4.0 is built for you. This clutch system eliminates the vagueness of stock setups by delivering direct power feedback...11300822- SKU:
- 11300822
- Availability:
- Ships Same Business Day
- Weight:
- 4.80 LBS
$1,599.00 -
Rekluse RadiusCX 4.0 Clutch 2017-2023 Husqvarna 450-501 Models RMS-8913180
REKLUSE
$1,499.00If you're running a 2017-2023 Husqvarna 450 or 501, clutch feel and engagement directly impact your ability to modulate power in technical terrain. The Rekluse RadiusCX 4.0 delivers a more connected lever with smoother throttle response and consistent...11300823- SKU:
- 11300823
- Availability:
- Ships Same Business Day
- Weight:
- 4.70 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch Kit KTM 250 XC-W 2023-2025 RMS-8913181
REKLUSE
$1,499.00If you're running a KTM 250 XC-W at the edge of performance, your clutch needs to match that intensity. The Rekluse RadiusCX 4.0 delivers the precise engagement and heat resistance required for extreme conditions, while the refined EXP 4.0 wedge system...11300824- SKU:
- 11300824
- Availability:
- Ships Same Business Day
- Weight:
- 4.35 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch Kit Gas Gas EC 300 2018-2024 RMS-8917001
REKLUSE
$1,499.00If you're running a Gas Gas EC 300 and need clutch modulation that keeps up with aggressive riding, the Rekluse RadiusCX 4.0 delivers the responsiveness and heat management that separates controlled power delivery from slipping engagement. Modern...11300832- SKU:
- 11300832
- Availability:
- Ships Same Business Day
- Weight:
- 5.63 LBS
$1,499.00 -
Rekluse RadiusX 4.0 Clutch 2002-2008 Honda CRF450R RMS-8301011
REKLUSE
$949.00The RadiusX 4.0 clutch delivers the precise lever feel and engagement response that competitive CRF450R riders demand, especially when pushing hard in high-temperature conditions. If you're experiencing mushy clutch feedback or inconsistent power...11300693- SKU:
- 11300693
- Availability:
- Ships Same Business Day
- Weight:
- 2.99 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kit Honda CRF250R 2010-2017 RMS-8301016
REKLUSE
$949.00The RadiusX 4.0 delivers the precision clutch engagement modern CRF250R riders demand, whether you're logging laps at the track or pushing limits in competition. Rekluse's refined EXP 4.0 technology provides progressive power delivery with minimal drag,...11300694- SKU:
- 11300694
- Availability:
- Ships Same Business Day
- Weight:
- 2.54 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kit Honda CRF450X 2005-2017 RMS-8301013
REKLUSE
$949.00The Rekluse RadiusX 4.0 Clutch transforms how your CRF450X responds to throttle input, delivering crisp engagement and consistent power delivery across varied terrain. Whether you're pushing hard on technical trails or demanding track conditions, this...11300695- SKU:
- 11300695
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch for Honda CRF450R 2009-2012 RMS-8301014
REKLUSE
$949.00The Rekluse RadiusX 4.0 delivers the precise clutch modulation and durability that separates competitive CRF450R riders from the rest. Whether you're pushing hard on the track or tackling demanding terrain, this clutch system responds instantly to...11300696- SKU:
- 11300696
- Availability:
- Ships Same Business Day
- Weight:
- 2.94 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Honda CR250R 2002-2007 RMS-8301015
REKLUSE
$949.00The Rekluse RadiusX 4.0 Clutch delivers the precise engagement control and consistent feedback that CR250R riders need to maximize traction and maintain throttle control in demanding conditions. Built with reinforced internal structures and advanced...11300697- SKU:
- 11300697
- Availability:
- Ships Same Business Day
- Weight:
- 3.04 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kit Honda XR650R 2000-2007 RMS-8301019
REKLUSE
$949.00The RadiusX 4.0 clutch delivers the precise engagement and heat management that XR650R riders demand, whether you're tackling technical terrain or pushing hard on the track. Rekluse's redesigned internal architecture and advanced friction materials...11300700- SKU:
- 11300700
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
$949.00Qty in Cart: 0Quantity:Price:$949.00Subtotal: -
Rekluse RadiusX 4.0 Clutch Kit for Honda CRF250X 2004-2017 RMS-8301020
REKLUSE
$949.00The Rekluse RadiusX 4.0 delivers the crisp engagement and heat tolerance that CRF250X riders demand when pushing limits on trail or track. If you're running stock clutch components, you're leaving performance on the table—this kit brings the...11300701- SKU:
- 11300701
- Availability:
- Ships Same Business Day
- Weight:
- 2.54 LBS
$949.00Qty in Cart: 0Quantity:Price:$949.00Subtotal: -
Rekluse RadiusX 4.0 Clutch Honda CR250R 1992-2001 RMS-8301021
REKLUSE
$949.00If you're running a CR250R in competitive environments or pushing the bike to its limits, clutch engagement consistency directly impacts your lap times and throttle control. The RadiusX 4.0 eliminates the vagueness of worn or poorly-designed clutches by...11300702- SKU:
- 11300702
- Availability:
- Ships Same Business Day
- Weight:
- 2.92 LBS
$949.00Qty in Cart: 0Quantity:Price:$949.00Subtotal: -
Rekluse RadiusX 4.0 Clutch Kit Honda CR500R 1990-2001 RMS-8301022
REKLUSE
$949.00The RadiusX 4.0 Clutch Kit delivers the precise engagement and heat management required to keep your CR500R performing at peak levels, lap after lap. Whether you're pushing hard on the track or tackling extreme trail conditions, this system's optimized...11300703- SKU:
- 11300703
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$949.00
