Street Bike Drivetrain
Street Bike Drivetrain Parts at JJ Motorsports
Upgrade your street bike's drivetrain for smoother power delivery and longevity with components from JJ Motorsports. Our range includes chains, sprockets, drive belts, transmission covers, and more, designed for reduced wear, better acceleration, and reliable performance on the road or track. Compatible with Honda, Kawasaki, Suzuki, and other models, these parts feature high-strength materials, precise fitment, and easy installation for sportbikes, cruisers, or tourers.
Shop trusted brands like JT Sprockets for durable sprockets and Drag Specialties for reinforced belts. Explore related subcategories such as street bike rear sprockets for gear ratios or street bike drive belts for belt-driven systems.
Top Street Bike Drivetrain Products
- JT Chains 420 HDR Heavy Duty Drive Chain - Steel - 100 Links – Ideal for up to 150cc engines with enhanced strength.
- JT Sprockets Sprocket Rear Kawasaki 42-Tooth JTR1489.42 – Steel construction for minimum weight and maximum durability.
- Drag Specialties Rear Drive Belt 136-Tooth 1 1/2" BDL SPC-136 – Carbon fiber reinforced for superior strength on belt-driven bikes.
- Trask Transmission Cover M8 TM-2041CH – Billet aluminum for a custom look and protection on M8 engines.
- Driven Racing Rear Sprocket 43-Tooth 5063-520-43T – Precision-machined for optimal gear performance and lightweight design.
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
-
DRIVEN RACING Counter Shaft Sprocket - 17-Tooth 1068-520-17T
DRIVEN RACING
$50.99Every gram matters on the track, and the DRIVEN RACING 17-Tooth Counter Shaft Sprocket delivers weight savings without compromise. By leveraging proprietary EST Technology, this sprocket maintains the durability and longevity expected in high-performance...12120914- SKU:
- 12120914
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 17
$50.99 -
DRIVEN RACING Counter Shaft Sprocket - 15-Tooth 1190-520-15T
DRIVEN RACING
$45.99Every ounce of unsprung weight matters on the track, and this DRIVEN RACING counter shaft sprocket cuts excess mass without compromising durability. Built with proprietary EST Technology, it delivers the lightweight performance and longevity that serious...12120916- SKU:
- 12120916
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- UNITS:
- EACH
- COLOR/FINISH:
- ZINC
- TOOTH COUNT:
- 15
$45.99Qty in Cart: 0Quantity:Price:$45.99Subtotal: -
DRIVEN RACING Counter Shaft Sprocket - 15-Tooth 1185-520-15T
DRIVEN RACING
$45.99Every gram counts when you're chasing lap times and top-end speed. The DRIVEN RACING 15-Tooth Counter Shaft Sprocket eliminates unnecessary weight without sacrificing durability, giving you the rotational efficiency and responsive acceleration your bike...12120919- SKU:
- 12120919
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TOOTH COUNT:
- 15
- CHAIN SIZE:
- 520
- TYPE:
- DRIVE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- COLOR/FINISH:
- ZINC
- PRODUCT NAME:
- SPROCKET
$45.99 -
DRIVEN RACING Counter Shaft Sprocket - 16-Tooth 1185-520-16T
DRIVEN RACING
$45.99Minimizing rotating mass is critical for throttle response and acceleration in high-rpm applications, and this DRIVEN Racing counter shaft sprocket delivers measurable gains without sacrificing durability. Engineered with proprietary EST Technology, the...12120920- SKU:
- 12120920
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TOOTH COUNT:
- 16
- CHAIN SIZE:
- 520
- TYPE:
- DRIVE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
$45.99Qty in Cart: 0Quantity:Price:$45.99Subtotal: -
DRIVEN RACING Counter Shaft Sprocket - 14-Tooth 1040-520-14T
DRIVEN RACING
$50.99Sprocket weight directly impacts acceleration response and overall drivetrain efficiency—every gram matters on the track or street. The DRIVEN RACING 14-Tooth Counter Shaft Sprocket delivers genuine weight savings without compromising durability, thanks...12120924- SKU:
- 12120924
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 14
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ZINC
$50.99 -
DRIVEN RACING Counter Shaft Sprocket - 15-Tooth 1040-520-15T
DRIVEN RACING
$50.99Every gram matters in high-performance racing, and this 15-tooth counter shaft sprocket delivers the lightweight precision you need without compromising durability. DRIVEN Racing's proprietary EST Technology balances aggressive weight reduction with...12120925- SKU:
- 12120925
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ZINC
- TOOTH COUNT:
- 15
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- UNITS:
- EACH
$50.99 -
DRIVEN RACING Counter Shaft Sprocket - 14-Tooth 1007-520-14T
DRIVEN RACING
$43.99Every gram matters on the track, and the DRIVEN RACING 14-Tooth Counter Shaft Sprocket delivers a winning combination of lightweight construction and proven durability. Built with proprietary EST Technology, this 520 steel sprocket sheds unnecessary...12120841- SKU:
- 12120841
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 14
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
$43.99 -
DRIVEN RACING Counter Shaft Sprocket - 15-Tooth 1007-520-15T
DRIVEN RACING
$43.99Shaving rotational mass from your counter shaft is one of the most effective ways to improve throttle response and acceleration in a lightweight racing platform. The DRIVEN Racing 15-tooth sprocket delivers that weight reduction without compromising...12120842- SKU:
- 12120842
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- UNITS:
- EACH
- COLOR/FINISH:
- ZINC
- TOOTH COUNT:
- 15
$43.99 -
DRIVEN RACING Counter Shaft Sprocket - 16-Tooth 1007-520-16T
DRIVEN RACING
$43.99If you're chasing lap times or building a high-revving drivetrain, sprocket weight directly impacts acceleration and overall system responsiveness. The DRIVEN RACING 16-Tooth Counter Shaft Sprocket eliminates unnecessary mass while maintaining the...12120843- SKU:
- 12120843
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- ZINC
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 16
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TYPE:
- DRIVE
$43.99 -
DRIVEN RACING Counter Shaft Sprocket - 17-Tooth 1007-520-17T
DRIVEN RACING
$43.99If you're serious about optimizing your 520 chain drivetrain, sprocket weight directly impacts acceleration response and rotational inertia. The DRIVEN RACING 17-tooth counter shaft sprocket combines lightweight construction with proven durability,...12120844- SKU:
- 12120844
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TOOTH COUNT:
- 17
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- COLOR/FINISH:
- ZINC
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
$43.99 -
DRIVEN RACING Counter Shaft Sprocket - 14-Tooth 1013-520-14T
DRIVEN RACING
$46.99Every gram matters on the track, and this DRIVEN RACING counter shaft sprocket eliminates unnecessary weight without compromising durability. Built with EST Technology and precision CNC machining, it delivers the lightweight performance you need while...12120845- SKU:
- 12120845
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- TYPE:
- DRIVE
- UNITS:
- EACH
- COLOR/FINISH:
- ZINC
- TOOTH COUNT:
- 14
$46.99 -
DRIVEN RACING Counter Shaft Sprocket - 15-Tooth 1013-520-15T
DRIVEN RACING
$46.99If you're running a 520 chain setup and chasing every tenth on the track, sprocket weight directly impacts your power delivery and throttle response. The DRIVEN RACING 15-Tooth Counter Shaft Sprocket eliminates unnecessary mass while maintaining the...12120846- SKU:
- 12120846
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 15
- TYPE:
- DRIVE
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
$46.99 -
DRIVEN RACING Counter Shaft Sprocket - 16-Tooth 1013-520-16T
DRIVEN RACING
$46.99If you're chasing lap times or building a race-ready drivetrain, sprocket weight directly impacts acceleration and overall performance. The DRIVEN RACING 16-Tooth Counter Shaft Sprocket uses proprietary EST Technology to deliver one of the lightest 520...12120847- SKU:
- 12120847
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TOOTH COUNT:
- 16
- CHAIN SIZE:
- 520
- TYPE:
- DRIVE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
$46.99 -
DRIVEN RACING Counter Shaft Sprocket - 17-Tooth 1013-520-17T
DRIVEN RACING
$46.99If you're running a 520 chain drivetrain and serious about reducing unsprung weight, this DRIVEN Racing counter shaft sprocket demands your attention. Every gram matters on the track, and DRIVEN's proprietary EST Technology delivers a sprocket that's...12120848- SKU:
- 12120848
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- COLOR/FINISH:
- ZINC
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 17
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TYPE:
- DRIVE
$46.99 -
DRIVEN RACING Counter Shaft Sprocket - 14-Tooth 1036-520-14T
DRIVEN RACING
$45.99Weight savings directly translate to faster acceleration and reduced rotating mass, giving you a measurable advantage on the track. The DRIVEN Racing 14-tooth counter shaft sprocket combines featherlight construction with proven durability—no compromises...12120851- SKU:
- 12120851
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 14
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
$45.99 -
DRIVEN RACING Counter Shaft Sprocket - 15-Tooth 1036-520-15T
DRIVEN RACING
$45.99If you're chasing fractional gains in acceleration and throttle response, sprocket weight directly impacts your bike's performance envelope. The DRIVEN RACING 15-Tooth Counter Shaft Sprocket strips away unnecessary material without compromising...12120852- SKU:
- 12120852
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 15
- TYPE:
- DRIVE
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
$45.99 -
DRIVEN RACING Counter Shaft Sprocket - 17-Tooth 1036-520-17T
DRIVEN RACING
$45.99For serious racers and high-performance builds, every gram counts—and this DRIVEN Racing counter shaft sprocket delivers the weight savings you need without compromising durability. Built with EST Technology and precision CNC machining, this 17-tooth...12120854- SKU:
- 12120854
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TOOTH COUNT:
- 17
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- COLOR/FINISH:
- ZINC
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$45.99Qty in Cart: 0Quantity:Price:$45.99Subtotal: -
DRIVEN RACING Counter Shaft Sprocket - 14-Tooth 1041-520-14T
DRIVEN RACING
$45.99If you're serious about maximizing drivetrain efficiency and reducing unsprung weight, this DRIVEN RACING counter shaft sprocket belongs on your bike. The 14-tooth configuration paired with EST Technology delivers the lightweight performance you need...12120855- SKU:
- 12120855
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- COLOR/FINISH:
- ZINC
- TOOTH COUNT:
- 14
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
$45.99 -
DRIVEN RACING Counter Shaft Sprocket - 15-Tooth 1041-520-15T
DRIVEN RACING
$45.99Sprocket selection directly impacts your power delivery and engine efficiency, making weight reduction a critical factor in both street and track applications. The DRIVEN RACING 15-Tooth Counter Shaft Sprocket eliminates unnecessary mass without...12120856- SKU:
- 12120856
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- UNITS:
- EACH
- COLOR/FINISH:
- ZINC
- TOOTH COUNT:
- 15
$45.99 -
DRIVEN RACING Counter Shaft Sprocket - 16-Tooth 1041-520-16T
DRIVEN RACING
$45.99Every gram matters on the track, and the DRIVEN RACING 16-Tooth Counter Shaft Sprocket delivers one of the lightest 520 steel options available without compromising durability. Built with proprietary EST Technology, this sprocket balances minimal...12120857- SKU:
- 12120857
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 16
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TYPE:
- DRIVE
$45.99
