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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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UFO Chain Slider - Suzuki RM85 - Black SU03972-001
UFO
$19.95Chain wear is one of the most common sources of expensive swingarm damage on the RM85, often going unnoticed until serious harm occurs. The UFO Chain Slider mounts directly to your swingarm to absorb the constant friction and abrasion from chain...123972- SKU:
- 123972
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$19.95 -
UFO Chain Slider - Suzuki RM125/250 RM-Z250 RM-Z450 - Black SU03991001
UFO
$19.95Chain wear on your swingarm isn't just a cosmetic issue—it's a sign that your bike's drivetrain is working against itself, reducing efficiency and accelerating component degradation. The UFO Chain Slider is a direct protection solution, designed to...123991- SKU:
- 123991
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$19.95 -
UFO Chain Slider - Honda CRF250R/CRF450R - Black HO04644-001
UFO
$19.95Chain slap against your swingarm is an easy way to prematurely wear critical suspension components and compromise the structural integrity of your frame. The UFO Chain Slider absorbs impact and friction, extending the service life of both your chain and...12310221- SKU:
- 12310221
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN SLIDER
- TYPE:
- SWINGARM
$19.95 -
UFO Chain Guide - Kawasaki KX250F/KX450F - Black KA04708-001
UFO
$24.95A worn chain guide accelerates sprocket wear and risks catastrophic chain derailment mid-ride—exactly what you don't need when pushing your KX hard. The UFO Chain Guide replaces your OEM unit with proven durability, keeping your drivetrain aligned and...12310222- SKU:
- 12310222
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- UNITS:
- EACH
- MATERIAL:
- POLYURETHANE
- PRODUCT NAME:
- CHAIN GUIDE
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
$24.95 -
UFO Chain Slider - Kawasaki KX250F/450F - Black KA04709-001
UFO
$19.95Chain wear on your swingarm can compromise suspension geometry and create costly damage that extends far beyond the slider itself. The UFO Chain Slider shields your swingarm from abrasive chain contact, protecting the structural integrity of your bike's...12310223- SKU:
- 12310223
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- PLASTIC
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN SLIDER
- COLOR/FINISH:
- BLACK
- TYPE:
- SWINGARM
$19.95 -
UFO Chain Roller - Kawasaki KX250F/450F - Black KA04711-001
UFO
$12.95A worn or stock chain roller forces your engine to work harder, increasing friction and robbing horsepower while accelerating wear on your entire drivetrain. The UFO Chain Roller for Kawasaki KX250F/450F delivers measurable improvements in power transfer...12310273- SKU:
- 12310273
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MATERIAL:
- POLYURETHANE
- PRODUCT NAME:
- CHAIN ROLLER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
$12.95 -
UFO Chain Slider - KTM 65 SX - Black KT04019-001
UFO
$19.95Chain wear on your KTM 65 SX swingarm is inevitable—unless you install proper protection before damage occurs. The UFO Chain Slider shields your swingarm from abrasive chain contact, extending component life and reducing costly repairs. A simple bolt-on...12310280- SKU:
- 12310280
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- TYPE:
- SWINGARM
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CHAIN SLIDER
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- PLASTIC
$19.95 -
UFO Chain Guide - Honda - CR Red HO04623070
UFO
$24.95A worn or damaged chain guide accelerates wear across your entire drivetrain while introducing noise and inefficient power transfer. The UFO Chain Guide restores proper chain alignment and reduces friction, directly extending the life of your sprockets...12310290- SKU:
- 12310290
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- CHAIN GUIDE
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- CR RED
- MATERIAL:
- POLYURETHANE
- UNITS:
- EACH
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
UFO Chain Guide - KTM - Orange KT03068127
UFO
$24.95A worn or damaged chain guide compromises both your drivetrain efficiency and fork longevity—premature wear on either component leads to costly replacements down the line. The UFO Chain Guide delivers OEM-equivalent protection with superior polyurethane...12310295- SKU:
- 12310295
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- CHAIN GUIDE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- POLYURETHANE
- COLOR/FINISH:
- ORANGE
- UNITS:
- EACH
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
UFO Chain Guide - Yamaha - Blue YA03890089
UFO
$24.95A worn or damaged chain guide compromises drivetrain efficiency and accelerates wear on your sprockets and chain. The UFO Chain Guide delivers OEM-level fitment with long-wearing polyurethane construction that withstands repeated impacts and high-RPM...12310299- SKU:
- 12310299
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- BLUE
- MATERIAL:
- POLYURETHANE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN GUIDE
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
UFO Chain Slider - Suzuki YZ125/250 YZ/WR400F - Black YA03809001
UFO
$19.95Chain wear against your swingarm doesn't just damage paint—it compromises structural integrity and can lead to costly repairs. The UFO Chain Slider shields your swingarm from abrasive chain contact, extending the life of both components while maintaining...123809- SKU:
- 123809
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
$19.95 -
Hinson Racing Clutch Basket 2006-2014 Honda CRF250R H266
HINSON RACING
$259.99If you're running a 2006-2014 Honda CRF250R, clutch durability directly impacts your lap times and rider fatigue. The Hinson Racing Clutch Basket H266 cuts clutch pull effort significantly while delivering five times the wear life of stock baskets,...11320187- SKU:
- 11320187
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CLUTCH BASKET
- COLOR/FINISH:
- AKADIZED
- UNITS:
- EACH
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- MODEL:
- BILLETPROOF
- RIDING STYLE:
- OFF-ROAD
$259.99Qty in Cart: 0Quantity:Price:$259.99Subtotal: -
Hinson Racing Billetproof Clutch Basket 1992-2007 Honda CR250R 2002-2012 CRF450R H489
HINSON RACING
$324.99Stock clutch baskets wear quickly under racing loads, leading to inconsistent engagement and premature failure. The Hinson Racing Billetproof H489 eliminates these issues with billet T-6 aluminum construction and hard-anodized durability—delivering the...11320612- SKU:
- 11320612
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- AKADIZED
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- PRODUCT NAME:
- CLUTCH BASKET
- UNITS:
- EACH
- MODEL:
- BILLETPROOF
- RIDING STYLE:
- OFF-ROAD
$324.99 -
Hinson Racing Billetproof Pressure Plate 1987-2006 Yamaha YFZ350 Banshee H021-002
HINSON RACING
$199.99The Hinson Racing Billetproof Pressure Plate is engineered to eliminate clutch fade and chatter that compromises both performance and component lifespan on your YFZ350 Banshee. By reducing heat generation during disengagement and distributing load more...11320842- SKU:
- 11320842
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- RIDING STYLE:
- UTV
- COLOR/FINISH:
- AKADIZED
- TYPE:
- CLUTCH
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MODEL:
- BILLETPROOF
- PRODUCT NAME:
- PRESSURE PLATE
$199.99Qty in Cart: 0Quantity:Price:$199.99Subtotal: -
Hinson Racing Billet Clutch Basket 2000-2007 Honda XR650R H172
HINSON RACING
$259.99A worn or stock clutch basket is a common bottleneck in engine responsiveness and rider fatigue during extended riding sessions. The Hinson Racing Billet Clutch Basket H172 replaces that weak link with billet T-6 aluminum construction and hard-coated...11320846- SKU:
- 11320846
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- PRODUCT NAME:
- CLUTCH BASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- COLOR/FINISH:
- AKADIZED
- MODEL:
- BILLETPROOF
- RIDING STYLE:
- OFF-ROAD
$259.99 -
Hinson Racing Clutch Kit Yamaha YZ125 1993-2022 FSC053-8-001
HINSON RACING
$199.99A worn or stock clutch can rob your YZ125 of critical power delivery and responsiveness when you need it most. The Hinson Racing Clutch Kit delivers precision engagement and disengagement that translates directly to faster lap times and better control in...11312461- SKU:
- 11312461
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- PRODUCT NAME:
- CLUTCH PLATE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$199.99 -
Hinson Racing Clutch Kit Honda TRX250R 1986-1989 FSC014-7-001
HINSON RACING
$199.99If you're running a Honda TRX250R in competitive racing or high-demand trail conditions, OEM clutch components alone won't cut it. The Hinson Racing Clutch Kit FSC014-7-001 delivers the precision engagement and durability needed to handle aggressive...11312185- SKU:
- 11312185
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH PLATE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- UTV
$199.99 -
Rekluse Clutch Pack KTM 125 EXC 1998-2016 751-03037
REKLUSE
$389.00Rekluse auto clutch systems are engineered to deliver consistent, predictable engagement across varying trail conditions—and a worn clutch pack directly undermines that precision. This OEM replacement pack restores your RadiusCX system to factory...11313573- SKU:
- 11313573
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- PRODUCT NAME:
- CLUTCH PACK
- MODEL:
- RADIUS CX
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PACK
$389.00 -
Rekluse RadiusCX Clutch Pack for 2016-2024 KTM 350 SX-F 751-13081
REKLUSE
$449.00If you're running a Rekluse RadiusCX auto clutch on your 2016-2024 KTM 350 SX-F, this OEM replacement clutch pack is essential maintenance to keep your system performing at peak efficiency. Worn friction and drive plates directly impact power transfer...11313574- SKU:
- 11313574
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- UNITS:
- PACK
- MODEL:
- RADIUS CX
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CLUTCH PACK
$449.00 -
Rekluse Manual Slave Cylinder KTM 105 SX 2004 2006-2011 105 XC 2008-2009 85 SX 17/14 2003-2012 85 SX 19/16 2005-2010 85 SXS 2012 85 XC 2008-2009 RMS-2400015
REKLUSE
$229.00If you're running a manual clutch on your KTM two-stroke, hydraulic feel and lever response directly impact your ability to modulate power delivery and nail consistency at the gate or on the trail. The Rekluse Manual Slave Cylinder delivers precise...11321385- SKU:
- 11321385
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- COLOR/FINISH:
- HARD ANODIZED
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- UNITS:
- KIT
- PRODUCT NAME:
- SLAVE CYLINDER
$229.00
