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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Rekluse RadiusCX 4.0 Clutch Kit Honda CR250R 1994-2001 RMS-8901021
REKLUSE
$1,449.00If you're running a CR250R that sees serious track time or demanding trail conditions, clutch performance directly impacts your ability to modulate power and control throttle response. The Rekluse RadiusCX 4.0 addresses the thermal stress and engagement...11300772- SKU:
- 11300772
- Availability:
- Ships Same Business Day
- Weight:
- 5.61 LBS
$1,449.00 -
Rekluse RadiusCX 4.0 Clutch Beta 250 RR 2T 2022-2024 RMS-8902022
REKLUSE
$1,499.00The Rekluse RadiusCX 4.0 Clutch delivers precise engagement control and consistent performance in high-temperature racing conditions, eliminating the unpredictable feel of worn OEM clutches. Purpose-built for the Beta 250 RR 2T, this clutch combines...11300778- SKU:
- 11300778
- Availability:
- Ships Same Business Day
- Weight:
- 5.15 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch Beta 350 RR 2017-2025 RMS-8902023
REKLUSE
$1,499.00If you're running a Beta 350 RR and want clutch engagement that matches your bike's modern engine characteristics, the Rekluse RadiusCX 4.0 delivers precisely tuned power delivery without the guesswork of manual adjustments. Built with reinforced...11300779- SKU:
- 11300779
- Availability:
- Ships Same Business Day
- Weight:
- 6.05 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch Beta 350 RR 2022-2025 RMS-8902025
REKLUSE
$1,499.00If you're running a Beta 350 RR and want to eliminate wheel slip while maintaining crisp throttle response, the Rekluse RadiusCX 4.0 delivers the engagement precision that separates competitive lap times from merely good ones. This clutch system is built...11300780- SKU:
- 11300780
- Availability:
- Ships Same Business Day
- Weight:
- 5.21 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch for 2019 Kawasaki KX250F RMS-8904040
REKLUSE
$1,449.00The Rekluse RadiusCX 4.0 delivers the precise engagement control and durability your KX250F demands on the track or trail. Whether you're pushing through technical terrain or maximizing power transfer in high-RPM situations, this clutch system provides...11300788- SKU:
- 11300788
- Availability:
- Ships Same Business Day
- Weight:
- 4.97 LBS
$1,449.00 -
Rekluse RadiusCX 4.0 Clutch Kit Yamaha WR450F 2007-2015 RMS-8907073
REKLUSE
$1,449.00If you're running a WR450F in demanding terrain, clutch modulation directly impacts your control, durability, and lap times. The Rekluse RadiusCX 4.0 replaces vague engagement with precise power delivery and eliminates heat-related fade that compromises...11300799- SKU:
- 11300799
- Availability:
- Ships Same Business Day
- Weight:
- 5.93 LBS
$1,449.00 -
Rekluse RadiusCX 4.0 Clutch Kit for Yamaha YZ450F 2023-2025 RMS-8907076
REKLUSE
$1,449.00The Rekluse RadiusCX 4.0 delivers the precise clutch control and consistent power delivery that separates competitive riders from the rest. Its reinforced internal architecture and proprietary friction design eliminate mushy engagement and drag, giving...11300802- SKU:
- 11300802
- Availability:
- Ships Same Business Day
- Weight:
- 5.81 LBS
$1,449.00 -
Rekluse RadiusCX 4.0 Clutch Kit for Yamaha YZ250F 2019-2025 RMS-8907075
REKLUSE
$1,449.00If you're running a 2019-2025 Yamaha YZ250F at the track or trail, clutch modulation directly impacts your ability to hook up, manage power delivery, and stay consistent through technical sections. The Rekluse RadiusCX 4.0 delivers a precisely tuned...11300803- SKU:
- 11300803
- Availability:
- Ships Same Business Day
- Weight:
- 4.75 LBS
$1,449.00 -
Rekluse RadiusCX 4.0 Clutch Kit Yamaha YZ450F 2023-2025 RMS-8907176
REKLUSE
$1,499.00If you're running a 2023-2025 YZ450F at the track or on the trail, clutch wear directly impacts your ability to modulate power and maintain control through technical sections. The Rekluse RadiusCX 4.0 delivers precise, consistent engagement with minimal...11300804- SKU:
- 11300804
- Availability:
- Ships Same Business Day
- Weight:
- 4.91 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch Kit Sherco 250 SE-R Racing 2020 RMS-8908001
REKLUSE
$1,499.00The Rekluse RadiusCX 4.0 is purpose-built for Sherco 250 SE-R racing, delivering the precise clutch engagement and heat tolerance that modern two-stroke competition demands. If you're pushing lap times or tackling technical terrain, this clutch...11300805- SKU:
- 11300805
- Availability:
- Ships Same Business Day
- Weight:
- 5.70 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch Kit Sherco 450 SEF-R 2015-2024 RMS-8908004
REKLUSE
$1,499.00The Rekluse RadiusCX 4.0 is engineered for Sherco 450 SEF-R riders who need predictable power delivery and clutch longevity in high-stress conditions. This kit delivers precise engagement control through advanced wedge technology, letting you focus on...11300807- SKU:
- 11300807
- Availability:
- Ships Same Business Day
- Weight:
- 5.61 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch for 2023-2025 KTM 250 EXC-F RMS-8913080
REKLUSE
$1,499.00If you're running a 2023-2025 KTM 250 EXC-F at the edge of its limits, clutch engagement consistency directly impacts your lap times and trail control. The Rekluse RadiusCX 4.0 delivers precise, predictable power delivery through a redesigned EXP...11300810- SKU:
- 11300810
- Availability:
- Ships Same Business Day
- Weight:
- 5.95 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch for 2023-2025 KTM 250 EXC-F RMS-8913081
REKLUSE
$1,499.00If you're running a 2023-2025 KTM 250 EXC-F in demanding conditions, clutch slip and heat fade will cost you power and consistency. The Rekluse RadiusCX 4.0 is purpose-built to handle extreme temperatures and sustained load cycles without sacrificing...11300811- SKU:
- 11300811
- Availability:
- Ships Same Business Day
- Weight:
- 4.67 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch Kit for 2023-2025 KTM 250 EXC-F 2023-2025 Husqvarna FE 250 2023-2025 GasGas EC 250 2023-2025 RMS-8913082
REKLUSE
$1,499.00If you're running a 250cc four-stroke dirt bike in demanding terrain, your clutch is working harder than most. The Rekluse RadiusCX 4.0 delivers the responsiveness and durability you need to maintain control through technical sections and long rides...11300812- SKU:
- 11300812
- Availability:
- Ships Same Business Day
- Weight:
- 4.63 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch KTM 450 EXC 2012-2015 RMS-8913084
REKLUSE
$1,499.00The RadiusCX 4.0 delivers precisely calibrated clutch engagement for KTM 450 EXC models, giving you the control and power transfer needed for demanding trail and competition riding. Rekluse's EXP 4.0 wedge technology eliminates the lag and unpredictable...11300813- SKU:
- 11300813
- Availability:
- Ships Same Business Day
- Weight:
- 4.66 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch Kit for KTM 250 EXC 2023-2025 RMS-8913091
REKLUSE
$1,499.00The Rekluse RadiusCX 4.0 delivers seamless power transfer and precise throttle response, critical for KTM 250 EXC riders who demand reliability across variable terrain and conditions. Built with reinforced internal structures and optimized friction...11300817- SKU:
- 11300817
- Availability:
- Ships Same Business Day
- Weight:
- 4.56 LBS
$1,499.00 -
Rekluse Radius CX 4.0 Clutch Kit KTM 250 XC TPI 2023 RMS-8913196
REKLUSE
$1,599.00The Rekluse Radius CX 4.0 clutch delivers the responsive engagement and thermal stability that serious KTM 250 XC TPI riders demand, whether you're pushing hard on the track or tackling technical terrain. Rekluse's EXP 4.0 architecture reduces friction...11300827- SKU:
- 11300827
- Availability:
- Ships Same Business Day
- Weight:
- 4.86 LBS
$1,599.00 -
Rekluse RadiusCX 4.0 Clutch Kit KTM 250 EXC-F 2023-2025 RMS-8913196
REKLUSE
$1,499.00If you're running a KTM 250 EXC-F in competitive off-road conditions, clutch reliability and responsiveness directly impact your lap times and bike control. The Rekluse RadiusCX 4.0 delivers a refined engagement curve that matches modern engine dynamics,...11300829- SKU:
- 11300829
- Availability:
- Ships Same Business Day
- Weight:
- 4.42 LBS
$1,499.00 -
Rekluse RadiusCX 4.0 Clutch Kit Gas Gas EC 250F 2021 RMS-8917000
REKLUSE
$1,499.00The Rekluse RadiusCX 4.0 Clutch delivers precise engagement and superior heat management, critical for maintaining consistent power delivery during aggressive riding and high-temperature conditions. With a redesigned friction disk assembly and optimized...11300831- SKU:
- 11300831
- Availability:
- Ships Same Business Day
- Weight:
- 5.72 LBS
$1,499.00 -
T.M. DESIGNWORKS Factory Edition Chain Guide With Replacement Wear Pad - Black RCG-KT5-BK
T.M. DESIGNWORKS
$117.95Rock strikes and chain snagging are common failure points in aggressive off-road riding—especially in hard enduro and baja racing where terrain is unforgiving. The T.M. DESIGNWORKS Factory Edition Chain Guide eliminates these problems with a reinforced...12311695- SKU:
- 12311695
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$117.95