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 RadiusX 4.0 Clutch for Kawasaki KX250F 2009-2020 RMS-8304040
REKLUSE
$949.00If you're pushing your KX250F to its limits on the track or trail, clutch responsiveness directly impacts your lap times and control. The Rekluse RadiusX 4.0 replaces vague, delayed engagement with precise, instantaneous power delivery—giving you the...11300714- SKU:
- 11300714
- Availability:
- Ships Same Business Day
- Weight:
- 2.66 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kawasaki KX250 1994-2007 RMS-8304043
REKLUSE
$949.00The Rekluse RadiusX 4.0 Clutch delivers precise engagement control and reliability for KX250 riders who demand consistent performance in high-stress conditions. Built with reinforced internal structures and advanced friction design, this clutch system...11300715- SKU:
- 11300715
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
$949.00Qty in Cart: 0Quantity:Price:$949.00Subtotal: -
Rekluse RadiusX 4.0 Clutch Kit for Kawasaki KX450F 2016-2018 RMS-8304044
REKLUSE
$949.00The RadiusX 4.0 Clutch delivers precise engagement control and consistent power transfer across the full RPM range, eliminating the mushy feel that costs you milliseconds on the track or trail. Rekluse's advanced EXP 4.0 wedge technology with rolling...11300716- SKU:
- 11300716
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kawasaki KX450F 2021-2025 RMS-8304045
REKLUSE
$949.00If you're running a KX450F in competitive conditions, clutch modulation and heat management directly impact your lap times and consistency. The Rekluse RadiusX 4.0 delivers a refined engagement curve paired with superior cooling capacity, allowing you to...11300717- SKU:
- 11300717
- Availability:
- Ships Same Business Day
- Weight:
- 2.79 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kawasaki KX500 1989-2004 RMS-8304060
REKLUSE
$949.00The RadiusX 4.0 clutch transforms how your KX500 responds to throttle input, delivering the precision engagement and thermal stability that separates competitive riders from the rest. If you're running high-RPM conditions or pushing your machine in...11300720- SKU:
- 11300720
- Availability:
- Ships Same Business Day
- Weight:
- 2.93 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kawasaki KX250 2021-2024 RMS-8304140
REKLUSE
$999.00The RadiusX 4.0 is engineered for KX250 riders who demand precise throttle response and consistent power delivery across demanding race conditions. Rekluse's updated EXP assembly and rolling contact technology reduce friction and improve engagement feel,...11300721- SKU:
- 11300721
- Availability:
- Ships Same Business Day
- Weight:
- 2.52 LBS
$999.00 -
Rekluse RadiusX 4.0 Clutch Kit for Suzuki RM-Z450 2008-2025 RMS-8306064
REKLUSE
$949.00High-heat riding demands a clutch that stays responsive when temperatures spike—the RadiusX 4.0 delivers precision engagement without fade or lag. Built for modern RM-Z450 engines, this system combines a reinforced EXP assembly with optimized friction...11300725- SKU:
- 11300725
- Availability:
- Ships Same Business Day
- Weight:
- 3.02 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kit Suzuki RM-Z 250 2007-2025 RMS-8306067
REKLUSE
$949.00If you're running an RM-Z 250 in competitive or high-demand riding conditions, clutch feel and durability directly impact your lap times and reliability. The Rekluse RadiusX 4.0 delivers precise engagement control and sustained performance in extreme...11300726- SKU:
- 11300726
- Availability:
- Ships Same Business Day
- Weight:
- 2.82 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kit for Suzuki RM250 1996-2008 RMS-8306068
REKLUSE
$949.00If you're running an RM250 in competitive or high-demand conditions, clutch performance directly impacts your lap times and rider control. The Rekluse RadiusX 4.0 delivers the engagement precision and thermal stability that separates consistent...11300727- SKU:
- 11300727
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kit for Suzuki RM-Z 450 2008-2025 RMS-8306070
REKLUSE
$949.00The Rekluse RadiusX 4.0 delivers the precision clutch engagement that separates competitive RM-Z 450 riders from the rest. Built with advanced materials and intelligent design, this system handles extreme heat while giving you the direct power transfer...11300728- SKU:
- 11300728
- Availability:
- Ships Same Business Day
- Weight:
- 3.26 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch for Yamaha YZ250 2002-2024 RMS-8307070
REKLUSE
$949.00The RadiusX 4.0 Clutch is engineered for YZ250 riders who demand precise control and consistent performance across demanding terrain. Modern 2-stroke powerplants require a clutch that responds instantly to throttle input while maintaining durability...11300730- SKU:
- 11300730
- Availability:
- Ships Same Business Day
- Weight:
- 2.88 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kit for 2013-2015 Gas Gas EC 300 and 2010-2015 Yamaha YZ 250 F RMS-8307071
REKLUSE
$949.00The RadiusX 4.0 clutch delivers the immediate engagement and consistent power delivery that separates competitive riders from the rest. Purpose-built for the 2013-2015 Gas Gas EC 300 and 2010-2015 Yamaha YZ 250F, this kit handles extreme heat and...11300731- SKU:
- 11300731
- Availability:
- Ships Same Business Day
- Weight:
- 2.64 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kit Yamaha YZ450F 2015 RMS-8307073
REKLUSE
$949.00The Rekluse RadiusX 4.0 delivers the precise clutch engagement and thermal stability that modern YZ450F riders demand, whether you're pushing lap times or conquering technical terrain. Its redesigned internal geometry and proprietary friction alignment...11300732- SKU:
- 11300732
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Yamaha YZ125 2005-2025 RMS-8307075
REKLUSE
$949.00If you're running a YZ125 at the track or on the trail, clutch engagement directly impacts your lap times and rider fatigue. The Rekluse RadiusX 4.0 delivers a sharper throttle response and smoother power delivery than stock systems, giving you the...11300734- SKU:
- 11300734
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kit Yamaha YZ450F 2019-2025 RMS-8307076
REKLUSE
$949.00If you're running a YZ450F at the edge of its limits, clutch modulation and power delivery directly impact your lap times and trail performance. The Rekluse RadiusX 4.0 replaces the stock clutch with a purpose-built system engineered for extreme...11300735- SKU:
- 11300735
- Availability:
- Ships Same Business Day
- Weight:
- 3.08 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kit Yamaha YZ125 2005-2025 RMS-8307075
REKLUSE
$949.00The Rekluse RadiusX 4.0 Clutch delivers the precise power modulation and heat management that modern YZ125 riders demand, whether you're pushing hard in competition or refining technique on the track. Its upgraded EXP assembly and strengthened internals...11300736- SKU:
- 11300736
- Availability:
- Ships Same Business Day
- Weight:
- 3.04 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Yamaha YZ250F YZ250FX WR250F 2014-2019 RMS-8307078
REKLUSE
$949.00Stock clutch slipping under load or engagement feeling unpredictable? The Rekluse RadiusX 4.0 delivers the precise, consistent power transfer serious YZ and WR riders demand—with advanced EXP 4.0 wedge technology and optimized friction pads designed to...11300737- SKU:
- 11300737
- Availability:
- Ships Same Business Day
- Weight:
- 2.72 LBS
$949.00Qty in Cart: 0Quantity:Price:$949.00Subtotal: -
Rekluse RadiusX 4.0 Clutch Kit Yamaha YZ250F 2019-2025 RMS-8307002
REKLUSE
$949.00The Rekluse RadiusX 4.0 Clutch Kit delivers the precision engagement and heat tolerance that separates competitive riders from the rest. Built with strengthened internal geometry and advanced friction design, this clutch translates your throttle input...11300738- SKU:
- 11300738
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
$949.00 -
Rekluse RadiusX 4.0 Clutch Kit for Sherco 250 SE Factory 2021-2025 RMS-8308001
REKLUSE
$999.00If you're running a modern Sherco 250 SE Factory and want consistent power delivery without the lag of traditional clutches, the Rekluse RadiusX 4.0 is a purpose-built upgrade that eliminates dead spots and gives you precise control across the entire rev...11300741- SKU:
- 11300741
- Availability:
- Ships Same Business Day
- Weight:
- 3.11 LBS
$999.00 -
Rekluse RadiusX 4.0 Clutch Sherco 450 SEF-R Factory 2021-2025 RMS-8308004
REKLUSE
$999.00The Rekluse RadiusX 4.0 is engineered for serious off-road competitors who demand clutch engagement that matches modern high-performance 450 engines without compromise. Built with reinforced internal structures and custom friction pads, this clutch...11300742- SKU:
- 11300742
- Availability:
- Ships Same Business Day
- Weight:
- 3.01 LBS
$999.00
