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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- Price
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JT SPROCKETS Rear Sprocket - 48-Tooth - Kawasaki/Suzuki JTR460.48SC
JT SPROCKETS
$29.55A properly sized rear sprocket is fundamental to maximizing your bike's acceleration, top speed, and overall drivetrain efficiency. The JT 48-tooth rear sprocket delivers the precision engineering and durability that professional racers and serious...12102445- SKU:
- 12102445
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
$29.55 -
JT SPROCKETS Rear Sprocket - 49-Tooth - Kawasaki JTR460.49SC
JT SPROCKETS
$32.98A properly sized rear sprocket is fundamental to optimizing your Kawasaki's powerband and acceleration characteristics. The JT 49-tooth rear sprocket delivers the engineering precision and material quality demanded by racers and high-performance riders...12102446- SKU:
- 12102446
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- CHAIN SIZE:
- 520
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- MATERIAL:
- STEEL
$32.98 -
JT SPROCKETS Rear Sprocket - 48-Tooth - Kawasaki/Suzuki JTR808.48SC
JT SPROCKETS
$29.55Optimizing your sprocket choice directly impacts acceleration, top-end speed, and drivetrain longevity. The JT 48-tooth rear sprocket delivers the precision engineering and material science needed to handle high-performance demands without sacrificing...12102449- SKU:
- 12102449
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- UNITS:
- EACH
- CHAIN SIZE:
- 520
$29.55 -
JT SPROCKETS Rear Sprocket - 49-Tooth - Kawasaki/Suzuki JTR808.49SC
JT SPROCKETS
$32.98If you're running a Kawasaki or Suzuki and looking to dial in your final drive ratio, the JT 49-tooth rear sprocket delivers the precision engineering you need to optimize acceleration and top-end performance. JT's computer-designed geometry maximizes...12102450- SKU:
- 12102450
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
$32.98 -
JT SPROCKETS Rear Sprocket - 51-Tooth - Kawasaki/Suzuki JTR808.51SC
JT SPROCKETS
$32.98A rear sprocket is one of the highest-wear components on any performance bike, and choosing the right tooth count directly impacts your acceleration, top speed, and engine load characteristics. The JT Sprockets 51-Tooth rear sprocket delivers the...12102452- SKU:
- 12102452
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- MATERIAL:
- STEEL
- UNITS:
- EACH
$32.98 -
JT SPROCKETS Rear Sprocket - 48-Tooth - Husaberg/KTM JTR897.48SC
JT SPROCKETS
$29.55Upgrading to a quality rear sprocket directly impacts your bike's acceleration, top-end power delivery, and drivetrain longevity. The JT 48-tooth rear sprocket is engineered for riders who demand precision and reliability without compromise, combining...12102453- SKU:
- 12102453
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 48
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$29.55 -
JT SPROCKETS Rear Sprocket - 49-Tooth - Husaberg/KTM JTR897.49SC
JT SPROCKETS
$32.98A properly sized rear sprocket is critical to optimizing your bike's acceleration, top-end speed, and overall powerband delivery. The JT Sprockets 49-tooth rear sprocket delivers the precision engineering and durability you need for consistent...12102454- SKU:
- 12102454
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
$32.98 -
JT SPROCKETS Rear Sprocket - 50-Tooth - Husaberg/KTM JTR897.50SC
JT SPROCKETS
$32.98A properly sized rear sprocket is critical to maximizing your Husaberg or KTM's power delivery and acceleration characteristics. This 50-tooth JT sprocket delivers the strength and durability you need for demanding trail and track conditions, while...12102455- SKU:
- 12102455
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- MATERIAL:
- STEEL
$32.98 -
JT SPROCKETS Rear Sprocket - 51-Tooth - Husaberg/KTM JTR897.51SC
JT SPROCKETS
$32.98A properly sized rear sprocket is critical for optimizing your Husaberg or KTM's power delivery across the RPM range. The JT 51-tooth rear sprocket delivers the precision engineering and durability demanded by competitive riders and serious enthusiasts,...12102456- SKU:
- 12102456
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- CHAIN SIZE:
- 520
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- MATERIAL:
- STEEL
$32.98 -
JT SPROCKETS Rear Sprocket - 52-Tooth - Husaberg/KTM JTR897.52SC
JT SPROCKETS
$32.98A properly sized rear sprocket is critical for optimizing your Husaberg or KTM's power delivery and acceleration characteristics. This 52-tooth sprocket directly affects your bike's gearing ratio, influencing everything from low-end response to top-end...12102457- SKU:
- 12102457
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 52
$32.98 -
JT SPROCKETS Sprocket - Rear - Suzuki - 48-Tooth JTR1791.48
JT SPROCKETS
$42.88A worn or incorrect rear sprocket directly impacts acceleration, top-end speed, and overall drivetrain efficiency on your Suzuki. The JT Sprockets 48-tooth rear sprocket delivers the precision engineering and durability required for consistent...12101725- SKU:
- 12101725
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- COLOR/FINISH:
- NATURAL
- MATERIAL:
- CARBON STEEL
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- CHAIN SIZE:
- 525
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MODEL:
- SUZUKI
- TOOTH COUNT:
- 48
- TYPE:
- REAR
$42.88 -
JT SPROCKETS Sprocket - Rear - Honda - 42-Tooth JTR210.42
JT SPROCKETS
$27.75A worn or mismatched rear sprocket directly impacts your Honda's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 42-tooth rear sprocket is engineered to deliver consistent power transfer with minimal deflection, ensuring...12101726- SKU:
- 12101726
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 42
- TYPE:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- CARBON STEEL
- MODEL:
- HONDA
- MOUNTING POSITION:
- REAR
$27.75 -
JT SPROCKETS Sprocket - Rear - Honda - 43-Tooth JTR210.43
JT SPROCKETS
$27.75A rear sprocket is your final drive ratio—get it wrong, and you're leaving power on the table or spinning out prematurely. The JT Sprockets 43-tooth rear sprocket delivers the balance of acceleration and top-end speed your bike needs, without sacrificing...12101727- SKU:
- 12101727
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MODEL:
- HONDA
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 43
- MATERIAL:
- CARBON STEEL
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- UNITS:
- EACH
$27.75 -
JT SPROCKETS Sprocket - Kawasaki - 39-Tooth JTR801.39
JT SPROCKETS
$13.25A quality sprocket is fundamental to reliable power transfer and chain longevity on your Kawasaki. JT's 39-tooth sprocket delivers the precision engineering and material durability that separate dependable components from those that fail under sustained...12101729- SKU:
- 12101729
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PRODUCT NAME:
- SPROCKET
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- BLACK
- MATERIAL:
- CARBON STEEL
- MODEL:
- KAWASAKI
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- TOOTH COUNT:
- 39
$13.25 -
JT SPROCKETS Rear Sprocket - Orange - 50-Tooth JTA897.50ORG
JT SPROCKETS
$40.35A properly sized rear sprocket is critical to maximizing acceleration, top-end speed, and drivetrain efficiency. The JT SPROCKETS 50-tooth rear sprocket delivers the durability and precision fit your bike demands, whether you're chasing lap times or...12112693- SKU:
- 12112693
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 50
$40.35 -
JT SPROCKETS Rear Sprocket - Orange - 52-Tooth JTA897.52ORG
JT SPROCKETS
$42.53A properly sized rear sprocket is critical for optimizing your bike's acceleration, top-end speed, and overall power delivery. The JT Sprockets 52-Tooth RaceLite delivers the durability and precision required for high-RPM racing applications, whether...12112695- SKU:
- 12112695
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 52
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
$42.53 -
JT SPROCKETS Counter Shaft Sprocket - 14-Tooth JTF438.14
JT SPROCKETS
$16.00The JT Sprockets Counter Shaft Sprocket delivers the precision engagement your drivetrain demands, with computer-optimized tooth geometry that maximizes power transfer while minimizing rotational mass. Heat-treated and bead-blasted construction ensures...12111159- SKU:
- 12111159
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 14
- TYPE:
- COUNTERSHAFT
$16.00 -
JT SPROCKETS Counter Shaft Sprocket - 15-Tooth JTF438.15
JT SPROCKETS
$16.00A counter shaft sprocket is critical to your motorcycle's power delivery and acceleration characteristics. This JT 15-tooth design reduces rotational mass while maintaining the durability required for consistent track performance and daily reliability...12111160- SKU:
- 12111160
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MATERIAL:
- STEEL
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MODEL:
- SUZUKI
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 15
$16.00 -
JT SPROCKETS Rear Sprocket - 45 Tooth JTR210.45SC
JT SPROCKETS
$29.55A rear sprocket is fundamental to your drivetrain's efficiency and acceleration characteristics. The JT Sprockets 45-tooth rear sprocket delivers precision engineering and durability without unnecessary weight, directly improving throttle response and...12102492- SKU:
- 12102492
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
$29.55 -
JT SPROCKETS Sprocket - Rear - Yamaha - 43-Tooth JTR853.43
JT SPROCKETS
$25.15A sprocket is only as good as its ability to survive repetitive load cycles without deformation or premature wear. The JT Sprockets 43-Tooth rear sprocket for Yamaha combines precision computer-aided design with premium C45 high-carbon steel to deliver...JTR85343- SKU:
- JTR85343
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 43
- MOUNTING POSITION:
- REAR
$25.15
