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
-
JT SPROCKETS Rear Sprocket - 50-Tooth - Kawasaki JTR460.50SC
JT SPROCKETS
$32.98A properly sized rear sprocket is critical for optimizing your Kawasaki's acceleration, top speed, and engine efficiency. The JT 50-tooth rear sprocket delivers the exact gearing you need for responsive performance without sacrificing reliability. Built...12102447- SKU:
- 12102447
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 50
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$32.98 -
JT SPROCKETS Rear Sprocket - 51-Tooth - Kawasaki JTR460.51SC
JT SPROCKETS
$32.98A properly sized rear sprocket is critical to maximizing your Kawasaki's acceleration, top speed, and engine efficiency. The JT 51-tooth rear sprocket delivers the precision engineering and durability demanded by riders who refuse compromises on...12102448- SKU:
- 12102448
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- UNITS:
- EACH
$32.98 -
JT SPROCKETS Rear Sprocket - 50-Tooth - Kawasaki/Suzuki JTR808.50SC
JT SPROCKETS
$32.98Optimizing your sprocket ratio is one of the most direct ways to dial in acceleration, top-end performance, and overall driveability on your Kawasaki or Suzuki. The JT Sprockets 50-tooth rear sprocket delivers the engineering precision and durability you...12102451- SKU:
- 12102451
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- MATERIAL:
- STEEL
- UNITS:
- EACH
$32.98 -
JT SPROCKETS Sprocket - Rear - KTM - 46-Tooth JTR895.46
JT SPROCKETS
$21.48A quality rear sprocket is fundamental to your drivetrain's efficiency and longevity. This 46-tooth JT sprocket delivers the precision engineering and durability demanded by serious riders, reducing rotating weight while maintaining the strength needed...12100663- SKU:
- 12100663
- Availability:
- Ships Same Business Day
- Weight:
- 1.42 LBS
- CHAIN SIZE:
- 428
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$21.48Qty in Cart: 0Quantity:Price:$21.48Subtotal: -
JT SPROCKETS Sprocket - Suzuki - 39-Tooth JTR808.39
JT SPROCKETS
$26.48A worn or damaged sprocket directly impacts acceleration, top-end speed, and drivetrain efficiency—making a quality replacement critical for both track performance and reliability. The JT Sprockets 39-tooth sprocket delivers consistent engagement with...12100688- SKU:
- 12100688
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 39
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$26.48 -
JT SPROCKETS Sprocket - Yamaha - 37-Tooth JTR834.37
JT SPROCKETS
$14.78A properly matched sprocket is foundational to your drivetrain's efficiency and longevity. This JT 37-tooth rear sprocket delivers the precision engineering and material quality that separates reliable performance from premature wear. Whether you're...12101340- SKU:
- 12101340
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- MODEL:
- YAMAHA
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 420
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 37
$14.78 -
JT SPROCKETS Rear Sprocket - Honda - Red - 50 Tooth JTA210.50RED
JT SPROCKETS
$40.35A worn or mismatched rear sprocket directly compromises your Honda's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 50-tooth rear sprocket delivers the precise gearing geometry and material integrity your bike demands,...12112571- SKU:
- 12112571
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- DRIVE
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
$40.35 -
JT SPROCKETS Rear Sprocket - Black - 50-Tooth JTA897.50BLK
JT SPROCKETS
$40.35A properly sized rear sprocket is critical for optimizing your power delivery and achieving the right balance between acceleration and top-end speed. This 50-tooth RaceLite sprocket delivers the durability demanded by serious racers and track...12112683- SKU:
- 12112683
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 50
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR
$40.35 -
JT SPROCKETS Rear Sprocket - Orange - 48-Tooth JTA897.48ORG
JT SPROCKETS
$37.38A properly matched rear sprocket is fundamental to optimizing your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 48-tooth RaceLite rear sprocket delivers the precision engineering and durability demanded by...12112691- SKU:
- 12112691
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- UNITS:
- EACH
$37.38 -
JT SPROCKETS Rear Sprocket - Orange - 51-Tooth JTA897.51ORG
JT SPROCKETS
$41.43A properly sized rear sprocket is critical for achieving your target gear ratio and maximizing acceleration or top-end performance depending on your racing application. The JT SPROCKETS 51-tooth rear sprocket delivers the durability and precision you...12112694- SKU:
- 12112694
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 51
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- COLOR/FINISH:
- ORANGE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- STREET
$41.43 -
JT SPROCKETS Sprocket - Rear - Honda - 56-Tooth JTR215.56
JT SPROCKETS
$26.20A quality rear sprocket is fundamental to your drivetrain's efficiency and longevity. The JT Sprockets 56-tooth rear sprocket delivers the precision engineering and material integrity that competitive riders and serious enthusiasts demand, cutting...12120117- SKU:
- 12120117
- Availability:
- Ships Same Business Day
- Weight:
- 2.09 LBS
- CHAIN SIZE:
- 420
- MODEL:
- HONDA
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- TOOTH COUNT:
- 56
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$26.20 -
JT SPROCKETS Sprocket - Rear - Kawasaki - 33-Tooth JTR801.33
JT SPROCKETS
$11.93A worn or mismatched rear sprocket directly impacts your acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 33-tooth rear sprocket delivers consistent power transfer with minimal rotational mass, giving you the performance...12120241- SKU:
- 12120241
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- CHAIN SIZE:
- 420
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- C45 HIGH-CARBON STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 33
- UNITS:
- EACH
$11.93 -
JT SPROCKETS Counter Shaft Sprocket - 13-Tooth JTF1590.13SC
JT SPROCKETS
$14.60A precision counter shaft sprocket is fundamental to your bike's power delivery and acceleration characteristics. The JT Sprockets 13-tooth design balances aggressive low-end response with reliable durability under sustained load. Whether you're...12120512- SKU:
- 12120512
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 13
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MODEL:
- YAMAHA
$14.60 -
JT SPROCKETS Counter Shaft Sprocket - 13-Tooth JTF432.13SC
JT SPROCKETS
$16.80A precisely engineered front sprocket is fundamental to your transmission's efficiency and your bike's overall powerband response. The JT Sprockets 13-tooth counter shaft sprocket delivers the lightweight, durable performance you need to maximize...12120517- SKU:
- 12120517
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 13
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
$16.80 -
JT SPROCKETS Sprocket - Yamaha - 54-Tooth JTR833.54
JT SPROCKETS
$32.10A quality rear sprocket is fundamental to your drivetrain's efficiency and longevity. The JT Sprockets 54-tooth rear sprocket for Yamaha combines computer-optimized tooth geometry with premium Japanese C45 high carbon steel to deliver reliable power...12101437- SKU:
- 12101437
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- MODEL:
- YAMAHA
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 54
$32.10 -
JT SPROCKETS Steel Rear Sprocket - Gray - 47-Tooth JTX210.47GR
JT SPROCKETS
$51.80A properly matched rear sprocket is fundamental to optimizing your bike's acceleration, top-end speed, and engine efficiency. The JT SPROCKETS 47-tooth rear sprocket delivers the durability and precision that serious riders demand, whether you're...12102595- SKU:
- 12102595
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MATERIAL:
- T6 ALUMINUM CENTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- GRAPHITE
- RIDING STYLE:
- STREET
- STYLE:
- TWINSTAR
- MATERIAL:
- HIGH CARBON STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
$51.80 -
JT SPROCKETS Steel Rear Sprocket - Gray - 48-Tooth JTX210.48GR
JT SPROCKETS
$51.80A properly sized rear sprocket is fundamental to your powertrain's efficiency and acceleration characteristics. The JT SPROCKETS 48-tooth steel sprocket delivers the durability and precision engineering required for reliable track performance and...12102596- SKU:
- 12102596
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MATERIAL:
- T6 ALUMINUM CENTER
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- STYLE:
- TWINSTAR
- COLOR/FINISH:
- GRAPHITE
- MATERIAL:
- HIGH CARBON STEEL OUTER RING
- RIDING STYLE:
- OFF-ROAD
$51.80 -
JT SPROCKETS Steel Rear Sprocket - Gray - 50-Tooth JTX210.50GR
JT SPROCKETS
$51.80A properly matched sprocket is foundational to chain drive efficiency and engine performance. This JT SPROCKETS 50-tooth rear sprocket delivers the durability and precision required for sustained high-RPM operation, whether you're dialing in final drive...12102598- SKU:
- 12102598
- Availability:
- Ships Same Business Day
- Weight:
- 1.66 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 50
- STYLE:
- TWINSTAR
- UNITS:
- EACH
- MATERIAL:
- HIGH CARBON STEEL OUTER RING
- COLOR/FINISH:
- GRAPHITE
- MATERIAL:
- T6 ALUMINUM CENTER
- RIDING STYLE:
- OFF-ROAD
$51.80 -
JT SPROCKETS Rear Sprocket - 50-Tooth - Yamaha JTR251.50SC
JT SPROCKETS
$32.98A properly sized rear sprocket is critical to maximizing your Yamaha's acceleration, top-end speed, and engine efficiency. The JT 50-tooth rear sprocket is engineered for riders who demand precision engineering without compromise—delivering the strength...12102443- SKU:
- 12102443
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MATERIAL:
- STEEL
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
$32.98Qty in Cart: 0Quantity:Price:$32.98Subtotal: -
JT SPROCKETS Rear Sprocket - 51-Tooth - Yamaha JTR251.51SC
JT SPROCKETS
$32.98A properly sized rear sprocket is critical to maximizing your Yamaha's acceleration, top-end speed, and overall powertrain efficiency. The JT Sprockets 51-tooth rear sprocket delivers the precision engineering and durability you need to maintain...12102444- SKU:
- 12102444
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
$32.98
