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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MOOSE RACING Dual Sprocket - Black - 48 Tooth 1210-808-48-10X
MOOSE RACING
$69.95If you're running a dual-sprocket setup, you need a rear sprocket that can handle the demands of high-performance riding without becoming a maintenance headache. The MOOSE RACING Dual Sprocket delivers the durability of steel with the weight savings of...12101500- SKU:
- 12101500
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- TOOTH COUNT:
- 48
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$69.95 -
MOOSE RACING Dual Sprocket - Silver - 48 Tooth 1210-808-48-11X
MOOSE RACING
$69.95A rear sprocket must balance weight, durability, and longevity—and most aluminum options fail under sustained load, while steel alternatives rob you of precious performance gains. The MOOSE RACING Dual Sprocket delivers the best of both worlds with a...12101501- SKU:
- 12101501
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
$69.95 -
MOOSE RACING Dual Sprocket - Black - 49 Tooth 1210-808-49-10X
MOOSE RACING
$69.95The MOOSE RACING Dual Sprocket delivers the weight savings of aluminum with the durability of steel—a hybrid design that resists wear while keeping your bike responsive. If you're serious about maintaining chain drive efficiency across demanding terrain,...12101502- SKU:
- 12101502
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- DUAL
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- UNITS:
- EACH
$69.95 -
MOOSE RACING Dual Sprocket - Silver - 49 Tooth 1210-808-49-11X
MOOSE RACING
$69.95A rear sprocket needs to survive mud, sand, and constant chain engagement without adding unnecessary weight to your bike. The MOOSE RACING Dual Sprocket combines lightweight 7075 T6 aluminum construction with a heavy-duty steel outer ring to deliver the...12101503- SKU:
- 12101503
- Availability:
- Ships Same Business Day
- Weight:
- 1.77 LBS
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- STYLE:
- DUAL
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- DRIVE
- PRODUCT NAME:
- SPROCKET
$69.95 -
MOOSE RACING Dual Sprocket - Black - 50 Tooth 1210-808-50-10X
MOOSE RACING
$69.95The MOOSE RACING Dual Sprocket delivers the durability you need without the weight penalty of traditional steel designs. By combining a lightweight 7075 T6 aluminum inner ring with a heavy-duty steel outer ring, this 50-tooth sprocket provides...12101504- SKU:
- 12101504
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$69.95 -
MOOSE RACING Dual Sprocket - Silver - 50 Tooth 1210-808-50-11X
MOOSE RACING
$69.95A dual-ring sprocket demands precision engineering to handle the abuse of competitive riding, and the MOOSE RACING 50-tooth strikes the right balance between durability and weight savings. The hybrid 7075 T6 aluminum inner ring paired with heavy-duty...12101505- SKU:
- 12101505
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
$69.95 -
MOOSE RACING Dual Sprocket - Black - 51 Tooth 1210-808-51-10X
MOOSE RACING
$69.95A dual-material sprocket design that delivers the lightweight advantage of aluminum with the durability and wear resistance of steel—exactly what you need for consistent power delivery across demanding riding conditions. The MOOSE RACING 51-tooth...12101506- SKU:
- 12101506
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- DUAL
- TYPE:
- DRIVE
$69.95 -
MOOSE RACING Dual Sprocket - Silver - 51 Tooth 1210-808-51-11X
MOOSE RACING
$69.95A dual-material sprocket engineered for riders who demand both lightweight performance and extreme durability. The 51-tooth configuration delivers the perfect balance of acceleration and top-end speed, while the hybrid construction—7075 T6 aluminum inner...12101507- SKU:
- 12101507
- Availability:
- Ships Same Business Day
- Weight:
- 1.84 LBS
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- TOOTH COUNT:
- 51
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$69.95 -
MOOSE RACING Dual Sprocket MSE - Black - 48-Tooth 1210-822-48-10X
MOOSE RACING
$69.95Sprocket wear is one of the fastest ways to lose performance and reliability on the track or trail. The MOOSE RACING Dual Sprocket MSE combines a lightweight 7075 T6 aluminum inner ring with a heavy-duty steel outer ring, giving you the durability of...12101508- SKU:
- 12101508
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- TOOTH COUNT:
- 48
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
$69.95 -
MOOSE RACING Clutch Basket with Cushions M389
MOOSE RACING
$263.89Stock clutch baskets often generate excessive heat and develop runout that degrades engagement feel and lifespan. The MOOSE RACING M389 addresses this with precision-engineered geometry and premium materials that keep your clutch assembly spinning true,...11320563- SKU:
- 11320563
- Availability:
- Ships Same Business Day
- Weight:
- 1.47 LBS
- MATERIAL:
- 6061 AIRCRAFT-GRADE ALUMINUM ALLOY
- PRODUCT NAME:
- CLUTCH BASKET
- UNITS:
- EACH
- COLOR/FINISH:
- ANODIZED
- FEATURES:
- INCLUDES CUSHIONS
- RIDING STYLE:
- OFF-ROAD
$263.89 -
MOOSE RACING Clutch Kit M90-244
MOOSE RACING
$238.45A worn or slipping clutch will kill your power delivery and leave you stranded on the track or trail. The MOOSE RACING Clutch Kit M90-244 gives you a complete, matched component set engineered to handle high-performance demands without the guesswork of...11313552- SKU:
- 11313552
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- TYPE:
- COMPLETE
- DRIVE PLATE MATERIAL:
- STEEL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$238.45 -
MOOSE RACING Clutch Kit M90-247
MOOSE RACING
$201.35A complete clutch rebuild requires precision-matched components that work as a unified system—OEM kits often fall short of handling aggressive riding or racing demands. The MOOSE RACING Clutch Kit M90-247 eliminates the guesswork by bundling all...11313553- SKU:
- 11313553
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- COMPLETE
- DRIVE PLATE MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$201.35 -
MOOSE RACING Clutch Basket M249
MOOSE RACING
$225.73Stock clutch baskets generate excessive heat and wear prematurely under aggressive riding and racing conditions. The MOOSE RACING M249 reduces thermal stress through precision engineering and superior materials, allowing your clutch assembly to spin true...11320562- SKU:
- 11320562
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MATERIAL:
- 6061 AIRCRAFT-GRADE ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CLUTCH BASKET
- COLOR/FINISH:
- ANODIZED
- UNITS:
- EACH
$225.73 -
MOOSE RACING Friction Plates M70-5168-8
MOOSE RACING
$99.95If you're running a high-performance clutch system, your friction plates are doing the heavy lifting—literally. MOOSE RACING's M70-5168-8 friction plates are engineered with heat-resistant friction material that delivers consistent bite without fade,...F7051688- SKU:
- F7051688
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- FRICTION PLATE SET
- UNITS:
- SET
- TYPE:
- CLUTCH
$99.95 -
MOOSE RACING Friction Plates M70-5171-3
MOOSE RACING
$39.95Clutch fade during hard acceleration or sustained track sessions will kill your lap times and compromise safety. MOOSE RACING Friction Plates M70-5171-3 deliver consistent, predictable engagement across a wide temperature range thanks to their...F7051713- SKU:
- F7051713
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- FRICTION PLATE SET
- TYPE:
- CLUTCH
- UNITS:
- SET
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
Pro Circuit Axle Blocks Red Honda CRF150R 2007-2025 HAB07
PRO CIRCUIT
$59.95Precise rear wheel alignment is fundamental to handling performance on any track or trail, and the Pro Circuit Axle Blocks deliver exactly that with zero guesswork. By maintaining consistent chain tension and sprocket geometry, these billet aluminum...12310106- SKU:
- 12310106
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- AXLE BLOCK
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- COLOR/FINISH:
- RED
$59.95Qty in Cart: 0Quantity:Price:$59.95Subtotal: -
Pro Circuit Axle Blocks Honda CRF250R 2009-2025 Red HAB09
PRO CIRCUIT
$59.95Precise rear wheel alignment directly impacts your handling, stability, and drivetrain longevity—three factors that separate competitive lap times from mediocre ones. Pro Circuit Axle Blocks eliminate guesswork during setup, giving you repeatable,...12310217- SKU:
- 12310217
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- AXLE BLOCK
- COLOR/FINISH:
- RED
- MATERIAL:
- BILLET ALUMINUM
- UNITS:
- PAIR
- COLOR/FINISH:
- ANODIZED
- RIDING STYLE:
- OFF-ROAD
$59.95 -
Pro Circuit Clutch Springs Kawasaki KX450F 2006-2020 CSK19450-CS
PRO CIRCUIT
$84.75Stock clutch springs lose their bite over time, leading to delayed engagement and power loss on the track or trail. Pro Circuit's stiffer clutch springs deliver 12-15% increased spring rate, ensuring positive engagement and eliminating slip during hard...11310608- SKU:
- 11310608
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- SPRING SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- UNITS:
- SET
$84.75 -
Pro Circuit Clutch Springs Honda CRF450R 2013-2020 CSH13450-CS
PRO CIRCUIT
$83.95Stock clutch springs limit your CRF450R's ability to transfer power consistently, especially under aggressive acceleration or sustained load. Pro Circuit Clutch Springs increase stiffness by 12-15% to eliminate slippage and deliver positive engagement...11312428- SKU:
- 11312428
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPRING SET
- TYPE:
- CLUTCH
- UNITS:
- SET
$83.95Qty in Cart: 0Quantity:Price:$83.95Subtotal: -
Pro Circuit Clutch Springs Kawasaki KX85 2001-2025 CSK09085
PRO CIRCUIT
$61.43Stock clutch springs on your KX85 will slip under sustained high-torque acceleration, costing you precious power transfer and throttle response. Pro Circuit's stiffer spring set delivers the positive engagement needed for consistent, predictable clutch...11312430- SKU:
- 11312430
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- PRODUCT NAME:
- SPRING SET
$61.43
