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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Rekluse Clutch Pack Kawasaki KX250 2021-2024 750-04140
REKLUSE
$349.00The Rekluse Clutch Pack is engineered specifically for the Kawasaki KX250 (2021-2024) to deliver the precise engagement and reliability competitive and serious trail riders demand. Factory clutches struggle with stall risk in technical terrain and...11313728- SKU:
- 11313728
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PACK
- MODEL:
- TORQDRIVE®
- PRODUCT NAME:
- CLUTCH PACK
$349.00 -
Rekluse Clutch Pack Honda CRF450R 2021-2024 751-01102
REKLUSE
$449.00The RadiusCX auto clutch system demands precision friction components to maintain consistent engagement across varying terrain and riding conditions. This OEM-spec Rekluse clutch pack restores your CRF450R's stock performance or serves as a critical...11313729- SKU:
- 11313729
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- MODEL:
- RADIUS CX
- PRODUCT NAME:
- CLUTCH PACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PACK
$449.00 -
Rekluse RadiusCX Clutch Pack for 2021-2023 Kawasaki KX450F 751-04047
REKLUSE
$449.00If you're running a Rekluse RadiusCX auto clutch on your 2021-2023 KX450F, wear on the friction and drive plates is inevitable—and it directly impacts your bike's launch consistency and mid-range responsiveness. This OEM-spec clutch pack restores your...11313730- SKU:
- 11313730
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- PRODUCT NAME:
- CLUTCH PACK
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- RADIUS CX
- UNITS:
- PACK
$449.00 -
Rekluse RadiusCX Clutch Pack for Kawasaki KX250F 2021-2024 751-04140
REKLUSE
$454.74If you're running a Rekluse RadiusCX auto clutch system on your KX250F, keeping your clutch pack in peak condition is critical for consistent power delivery and trail performance. Worn friction disks and drive plates directly impact throttle response and...11313731- SKU:
- 11313731
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- PRODUCT NAME:
- CLUTCH PACK
- MODEL:
- RADIUS CX
- UNITS:
- PACK
- RIDING STYLE:
- OFF-ROAD
$454.74Qty in Cart: 0Quantity:Price:$454.74Subtotal: -
Rekluse Clutch Damper Kit KTM 250 EXC 2013-2019 RMS-0213080
REKLUSE
$68.00The Rekluse Clutch Damper Kit for your 2013-2019 KTM 250 EXC reduces clutch chatter and vibration, delivering smoother engagement whether you're navigating technical trail sections or pushing hard on open terrain. By dampening drivetrain oscillation,...11313732- SKU:
- 11313732
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- PRODUCT NAME:
- DAMPER KIT
- UNITS:
- KIT
$68.00 -
GATES Belt Drive - Premium - Powerlink PL30208
GATES
$75.15A worn or undersized CVT belt kills acceleration and burns fuel. The GATES Powerlink PL30208 is engineered for motorized CVT applications—street-legal scooters included—delivering responsive throttle response and measurable efficiency gains over...12040019- SKU:
- 12040019
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- BELT
- TYPE:
- DRIVE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$75.15 -
GATES Belt Drive - Premium - Powerlink PL30508
GATES
$36.48A worn or undersized CVT belt is the silent killer of acceleration and fuel economy—and on street-legal scooters, it's often the first component to compromise performance. The GATES Powerlink PL30508 replaces OEM limitations with premium durability and...12040020- SKU:
- 12040020
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- BELT
- TYPE:
- DRIVE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$36.48 -
GATES Belt Drive - Premium - 738x16.5x28 PL30210
GATES
$91.54A worn or degraded CVT belt directly impacts your scooter's acceleration response, fuel efficiency, and overall drivetrain reliability. The GATES Premium Belt Drive delivers extended service life and consistent performance across high-demand riding...12040027- SKU:
- 12040027
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BELT
- TYPE:
- DRIVE
- UNITS:
- EACH
$91.54Qty in Cart: 0Quantity:Price:$91.54Subtotal: -
GATES Belt Drive - Premium - 759x21.8x30 PL30807
GATES
$130.54A worn or inadequate CVT belt directly impacts your scooter's acceleration response, fuel efficiency, and overall drivability. The GATES Premium Belt Drive (PL30807) delivers measurable improvements in power transfer and longevity compared to standard...12040028- SKU:
- 12040028
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
$130.54 -
GATES Belt Drive - Premium - 782x16x30 PL30206
GATES
$53.09A worn or inadequate CVT belt directly impacts acceleration response, fuel economy, and overall drivetrain reliability on street-legal scooters and similar applications. The GATES Premium Belt delivers measurably longer service life and consistent...12040029- SKU:
- 12040029
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- DRIVE
- PRODUCT NAME:
- BELT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$53.09 -
GATES Belt Drive - Standard - 669x18x30 PL20507
GATES
$51.23A worn or undersized CVT belt directly impacts acceleration response and fuel economy on street-legal scooters. The GATES PL20507 delivers OEM-equivalent performance with optimized material composition for consistent power delivery and reduced slippage...12040087- SKU:
- 12040087
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- PRODUCT NAME:
- BELT
- TYPE:
- DRIVE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$51.23 -
GATES Belt Drive - Premium - 835x20x30 PL30705
GATES
$55.86CVT belt longevity directly impacts your scooter's acceleration responsiveness and fuel efficiency. A premium belt engineered with advanced materials resists wear and slippage far better than OEM equivalents, delivering consistent power transfer across...12040089- SKU:
- 12040089
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BELT
- TYPE:
- DRIVE
- UNITS:
- EACH
$55.86 -
GATES Belt Drive - Premium - 842x20x30 PL30708
GATES
$59.42A worn or suboptimal CVT belt directly impacts your scooter's acceleration response, fuel economy, and overall drivetrain efficiency. The GATES Premium belt delivers measurably longer service life and consistent power delivery compared to OEM-equivalent...12040091- SKU:
- 12040091
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
$59.42 -
MOOSE RACING 420 RXP Pro-MX Chain - Gold - 120 Links M576-00-120
MOOSE RACING
$34.95Mini-racing demands a chain that can handle aggressive acceleration, consistent tension, and the rigors of competition without sacrificing reliability. The MOOSE RACING 420 RXP Pro-MX delivers exactly that—a purpose-built, non-O-ring chain engineered...M57600120- SKU:
- M57600120
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 80 CC
- RIDING STYLE:
- STREET
- TENSILE STRENGTH IMPERIAL:
- 4409 LB
- CHAIN TYPE:
- 420 RXP
- RIDING STYLE:
- UTV
- TENSILE STRENGTH METRIC:
- 19.6 KN
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- GOLD
- MASTER LINK CONNECTOR:
- CLIP
- MODEL:
- RXP SERIES
- NUMBER OF LINKS:
- 120
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MAXIMUM ENGINE DISPLACEMENT (STREET):
- 80 CC
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- OFF-ROAD
- SEAL TYPE:
- NON-SEAL
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
Renthal TwinRing Rear Sprocket 48T Silver 520 Chain 1540-520-48GPSI
RENTHAL
$142.50If you're running a 520 chain setup and want a rear sprocket that actually lasts, the Renthal TwinRing 48T delivers. This isn't just another aluminum sprocket—the hybrid construction pairs a lightweight 7075 T-6 aluminum core with an electro-less...12100231- SKU:
- 12100231
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
$142.50 -
Renthal Twinring Rear Sprocket 49T Silver 520 Chain 1540-520-49GPSI
RENTHAL
$142.50The Renthal Twinring Rear Sprocket delivers the durability and lightweight performance you need to push harder in off-road conditions without sacrificing chain longevity. Its hybrid aluminum-and-steel construction outlasts standard aluminum sprockets by...12100232- SKU:
- 12100232
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$142.50Qty in Cart: 0Quantity:Price:$142.50Subtotal: -
Renthal TwinRing Rear Sprocket 52T Silver 1540-520-52GPSI
RENTHAL
$142.50If you're pushing your off-road bike to its limits, sprocket durability and weight savings directly impact acceleration, handling, and chain longevity. The Renthal TwinRing rear sprocket combines a high-strength 7075 T-6 aluminum inner ring with an...12100235- SKU:
- 12100235
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 52
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
$142.50 -
Renthal TwinRing Rear Sprocket 51T Silver 1500-520-51GPSI
RENTHAL
$142.50If you're running a 520 chain on your off-road machine, sprocket wear is inevitable—but premature failure isn't. The Renthal TwinRing 51T combines a lightweight 7075 T-6 aluminum core with a durable electro-less nickel-coated steel ring, delivering three...12100239- SKU:
- 12100239
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- UNITS:
- EACH
$142.50Qty in Cart: 0Quantity:Price:$142.50Subtotal: -
Renthal Twinring Rear Sprocket 49T Silver 2240-520-49GPSI
RENTHAL
$142.50If you're running a 520 chain setup and demand sprocket longevity without sacrificing weight, the Renthal Twinring 49T delivers the durability of steel with the agility of aluminum. The dual-ring construction outlasts conventional all-aluminum sprockets...12100252- SKU:
- 12100252
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
$142.50 -
Renthal TwinRing Rear Sprocket 51T Silver 520 Chain 2240-520-51GPSI
RENTHAL
$142.50Sprocket wear is one of the fastest paths to drivetrain failure, especially under racing conditions or aggressive riding. The Renthal TwinRing 51T combines a lightweight 7075 T-6 aluminum core with a durable nickel-coated steel outer ring to give you...12100254- SKU:
- 12100254
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- UNITS:
- EACH
$142.50
