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 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 -
T.M. DESIGNWORKS Factory Edition Chain Guide With Replacement Wear Pad - Orange RCG-KT5-OR
T.M. DESIGNWORKS
$117.95Chain guides take a beating in hard enduro, baja, and motocross conditions—rocks, mud, and oversized sprockets will eventually wear through inferior designs. The T.M. Designworks Factory Edition protects your drivetrain with a proven, replaceable wear...12311697- SKU:
- 12311697
- Availability:
- Ships Same Business Day
- Weight:
- 0.84 LBS
$117.95 -
T.M. DESIGNWORKS Factory Edition Chain Guide With Replacement Wear Pad - Red RCG-KT5-RD
T.M. DESIGNWORKS
$117.95Chain slap and rock strikes can destroy your drivetrain and derail your ride—especially in hard enduro and high-abrasion terrain. The T.M. Designworks Factory Edition Chain Guide uses a proprietary RMS plastic formula that absorbs impact and returns to...12311698- SKU:
- 12311698
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
$117.95 -
T.M. DESIGNWORKS Factory Edition Chain Guide With Replacement Wear Pad - Blue RCG-KT5-BL2
T.M. DESIGNWORKS
$117.95Rock strikes and debris are chain guide killers—and a failed guide means damaged sprockets, bent frames, and lost races. The T.M. Designworks Factory Edition eliminates that risk with a reinforced design and easily replaceable wear pad, letting you push...12311696- SKU:
- 12311696
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$117.95 -
ACERBIS Chain Guide - Black - Transalp 2983400001
ACERBIS
$87.95A worn or damaged chain guide compromises both drivetrain efficiency and safety on the trail or track. The ACERBIS Chain Guide for Transalp models delivers reliable chain retention and reduced lateral movement, protecting your sprockets and maintaining...12311720- SKU:
- 12311720
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$87.95 -
On Sale
PROX Steel Plate Set - Gas Gas/Husqvarna/KTM 16.S50013
PROX
MSRP: $27.95Now: $22.00Was: $27.95Clutch plate wear is one of the fastest paths to power loss and unpredictable engagement in high-performance dirt bikes. The PROX Steel Plate Set delivers OEM-exact specifications, ensuring consistent friction characteristics and reliable clutch...11313932- SKU:
- 11313932
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
MSRP: $27.95Now: $22.00Was: $27.95 -
On Sale
PROX Steel Plate Set - Husqvarna/KTM 16.S51012
PROX
MSRP: $27.95Now: $22.00Was: $27.95Clutch plate wear is inevitable in high-demand riding, and degraded plates compromise both power delivery and rider safety. The PROX Steel Plate Set delivers OEM-spec friction surfaces that restore your clutch to factory performance standards,...11313933- SKU:
- 11313933
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
MSRP: $27.95Now: $22.00Was: $27.95 -
On Sale
PROX Steel Plate Set - Gas Gas/Husqvarna/KTM 16.S51019
PROX
MSRP: $56.95Now: $42.00Was: $56.95Clutch fade and slippage compromise acceleration and reliability—especially under demanding track or trail conditions. This ProX steel plate set is engineered to OEM specifications, ensuring consistent engagement and maximum power transfer without the...11313934- SKU:
- 11313934
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
MSRP: $56.95Now: $42.00Was: $56.95
