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
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Rekluse RadiusX 4.0 Clutch KTM 250 EXC 2013-2016 RMS-8313035
REKLUSE
$1,039.00The Rekluse RadiusX 4.0 Clutch transforms your KTM 250 EXC's power delivery with automatic engagement technology that responds precisely to throttle input, eliminating stalling and lurching on technical terrain. If you're serious about trail performance...11300747- SKU:
- 11300747
- Availability:
- Ships Same Business Day
- Weight:
- 2.98 LBS
$1,039.00 -
Rekluse RadiusX 4.0 Clutch KTM 450 EXC 2012-2015 RMS-8313036
REKLUSE
$1,039.00If you're running a KTM 450 EXC at the edge of its limits, clutch modulation becomes everything—a mushy engagement costs you control on technical terrain, while excessive heat fade compromises your ride mid-session. The Rekluse RadiusX 4.0 delivers the...11300748- SKU:
- 11300748
- Availability:
- Ships Same Business Day
- Weight:
- 3.01 LBS
$1,039.00 -
Rekluse RadiusX 4.0 Clutch KTM 450 EXC 2012-2015 RMS-8313038
REKLUSE
$999.00The Rekluse RadiusX 4.0 Clutch is engineered for riders who demand precise throttle response and reliable power delivery in extreme conditions. If you're pushing your KTM 450 EXC to its limits—whether on the trail or in competition—this clutch eliminates...11300750- SKU:
- 11300750
- Availability:
- Ships Same Business Day
- Weight:
- 2.77 LBS
$999.00Qty in Cart: 0Quantity:Price:$999.00Subtotal: -
REKLUSE RadiusCX 4.0 Clutch - CRF450R RMS-8901010
REKLUSE
$1,449.00The REKLUSE RadiusCX 4.0 Clutch is engineered for riders who demand responsive power delivery and consistent performance in extreme heat conditions. Whether you're pushing a CRF450R to its limits on the track or tackling challenging terrain, this clutch...11300764- SKU:
- 11300764
- Availability:
- Ships Same Business Day
- Weight:
- 5.51 LBS
$1,449.00 -
Rekluse RadiusCX 4.0 Clutch Kit for Honda CRF450R 2002-2024 RMS-8901011
REKLUSE
$1,449.00If you're running a CRF450R, clutch performance directly impacts your throttle response, engine braking feel, and overall ride quality. The Rekluse RadiusCX 4.0 delivers a custom engagement curve matched to modern four-stroke demands, giving you precise...11300765- SKU:
- 11300765
- Availability:
- Ships Same Business Day
- Weight:
- 5.58 LBS
$1,449.00 -
Rekluse RadiusCX 4.0 Clutch for Honda CRF450R 2021-2024 RMS-8901102
REKLUSE
$1,449.00The RadiusCX 4.0 clutch is engineered for CRF450R/X riders who demand precision control and reliability in high-stress riding conditions. Whether you're pushing hard on the track or navigating technical terrain, this clutch delivers responsive engagement...11300766- SKU:
- 11300766
- Availability:
- Ships Same Business Day
- Weight:
- 4.74 LBS
$1,449.00Qty in Cart: 0Quantity:Price:$1,449.00Subtotal: -
Rekluse RadiusCX 4.0 Clutch Beta 350 RR Race Edition 2025 RMS-8902028
REKLUSE
$1,499.00The Rekluse RadiusCX 4.0 Clutch delivers the precision engagement and durability required for competitive racing and demanding trail conditions. Its advanced EXP 4.0 assembly eliminates the guesswork from clutch modulation, allowing you to focus on line...11300781- SKU:
- 11300781
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
$1,499.00Qty in Cart: 0Quantity:Price:$1,499.00Subtotal: -
Rekluse RadiusCX 4.0 Clutch Kit Beta 350 RR 2025 RMS-8902122
REKLUSE
$1,499.00If you're running a Beta 350 RR at the edge of performance, clutch engagement and heat management become critical variables. The Rekluse RadiusCX 4.0 delivers the responsiveness and durability required for consistent power delivery in extreme conditions,...11300782- SKU:
- 11300782
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch Beta 350 RR Race 2025 RMS-8902128
REKLUSE
$1,499.00If you're running a Beta 350 RR in competitive conditions, clutch modulation directly impacts your lap times and throttle response. The Rekluse RadiusCX 4.0 delivers race-proven engagement characteristics that reduce dead spots in power delivery while...11300783- SKU:
- 11300783
- Availability:
- Ships Same Business Day
- Weight:
- 5.22 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch Kit KTM 250 SX 2013-2016 RMS-8903037
REKLUSE
$1,499.00The RadiusCX 4.0 delivers precise clutch engagement tuned specifically for KTM 250 SX powerplants, eliminating the dead zones and inconsistent bite that compromise lap times and trail performance. If you're running stock clutch components, you're leaving...11300785- SKU:
- 11300785
- Availability:
- Ships Same Business Day
- Weight:
- 4.81 LBS
$1,499.00Qty in Cart: 0Quantity:Price:$1,499.00Subtotal: -
Rekluse RadiusCX 4.0 Clutch KTM 250 Freeride 2014-2017 RMS-8903083
REKLUSE
$1,499.00If you're running a KTM 250 Freeride hard—whether you're tackling technical terrain or pushing throttle response in competition—your clutch needs to keep pace with your demands. The Rekluse RadiusCX 4.0 delivers the direct lever feel and engagement...11300786- SKU:
- 11300786
- Availability:
- Ships Same Business Day
- Weight:
- 4.91 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch Kit KTM 350 Freeride 2014-2017 RMS-8903089
REKLUSE
$1,499.00The Rekluse RadiusCX 4.0 transforms your KTM 350 Freeride's clutch engagement from binary to intuitive, giving you precise control over power delivery in technical terrain and stop-and-go riding. If you're tired of abrupt bite points or inconsistent...11300787- SKU:
- 11300787
- Availability:
- Ships Same Business Day
- Weight:
- 4.98 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch Kawasaki KX450F 2021-2025 RMS-8904045
REKLUSE
$1,449.00The RadiusCX 4.0 Clutch delivers the precise engagement control and thermal stability that modern KX450F engines demand, especially when you're pushing hard on the track or trail. Rekluse's redesigned internals and proprietary friction materials work...11300790- SKU:
- 11300790
- Availability:
- Ships Same Business Day
- Weight:
- 5.47 LBS
$1,449.00 -
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
$1,449.00Qty in Cart: 0Quantity:Price:$1,449.00Subtotal: -
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
