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 Rear Sprocket - 45-Tooth 5032-520-45T
DRIVEN RACING
$64.99If you're chasing lap times or building a race-ready drivetrain, sprocket weight directly impacts acceleration and rotational inertia. DRIVEN RACING's 45-tooth rear sprocket combines lightweight construction with their proprietary EST Technology to...12100946- SKU:
- 12100946
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 45
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
$64.99 -
DRIVEN RACING Rear Sprocket - 46-Tooth 5032-520-46T
DRIVEN RACING
$64.99If you're serious about track performance, sprocket weight directly impacts your bike's acceleration response and overall drivetrain efficiency. DRIVEN Racing's 46-tooth rear sprocket combines aggressive weight reduction with proven durability, giving...12100947- SKU:
- 12100947
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- TOOTH COUNT:
- 46
- COLOR/FINISH:
- BLACK
- TYPE:
- DRIVE
- UNITS:
- EACH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$64.99 -
DRIVEN RACING Rear Sprocket - 39-Tooth 5063-520-39T
DRIVEN RACING
$64.99Every gram matters when you're chasing lap times or maximizing acceleration on the strip. DRIVEN Racing's 39-tooth rear sprocket delivers one of the lightest 520-chain options available without sacrificing the durability your engine demands. Built with...12100948- SKU:
- 12100948
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- COLOR/FINISH:
- ZINC
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 39
$64.99 -
DRIVEN RACING Rear Sprocket - 40-Tooth 5063-520-40T
DRIVEN RACING
$64.99Every ounce matters on the track, and this 40-tooth DRIVEN Racing sprocket delivers the lightweight performance you need without sacrificing durability. Built with proprietary EST Technology, it combines minimal rotational mass with extended service...12100949- SKU:
- 12100949
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- TOOTH COUNT:
- 40
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
$64.99 -
DRIVEN RACING Rear Sprocket - 41-Tooth 5063-520-41T
DRIVEN RACING
$64.99If you're running a 520 chain setup and serious about lap times, sprocket weight directly impacts acceleration and rotational inertia—this DRIVEN Racing 41-tooth sprocket eliminates unnecessary material without compromising durability. The proprietary...12100950- SKU:
- 12100950
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- COLOR/FINISH:
- ZINC
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 41
- TYPE:
- DRIVE
- UNITS:
- EACH
$64.99 -
DRIVEN RACING Rear Sprocket - 42-Tooth 5063-520-42T
DRIVEN RACING
$64.99If you're chasing lap times or maximizing acceleration on the street, unsprung weight matters—and this 42-tooth sprocket delivers the performance gains of a lighter drivetrain without sacrificing durability. DRIVEN Racing's proprietary EST Technology...12100951- SKU:
- 12100951
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 42
- TYPE:
- DRIVE
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$64.99 -
DRIVEN RACING Rear Sprocket - 43-Tooth 5063-520-43T
DRIVEN RACING
$64.99If you're running a 520 chain setup and weight savings matter—whether you're chasing lap times or optimizing acceleration—the DRIVEN RACING 43-Tooth Rear Sprocket delivers measurable performance without compromise. Built with EST Technology, this...12100952- SKU:
- 12100952
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 43
- COLOR/FINISH:
- ZINC
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$64.99 -
DRIVEN RACING Rear Sprocket - 44-Tooth 5063-520-44T
DRIVEN RACING
$64.99If you're chasing consistency through the gears without sacrificing reliability, a lightweight rear sprocket is non-negotiable. The DRIVEN RACING 44-Tooth 5063-520-44T eliminates rotational mass that slows acceleration, while its proprietary EST...12100953- SKU:
- 12100953
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 44
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ZINC
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
$64.99 -
DRIVEN RACING Rear Sprocket - 45-Tooth 5063-520-45T
DRIVEN RACING
$64.99If you're chasing lower lap times or better acceleration, sprocket weight matters—and DRIVEN Racing's 45-tooth rear sprocket delivers the kind of lightweight construction that directly impacts your power delivery and handling response. This isn't just...12100954- SKU:
- 12100954
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- DRIVE
- UNITS:
- EACH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$64.99 -
DRIVEN RACING Rear Sprocket - 47-Tooth 5063-520-47T
DRIVEN RACING
$64.99If you're running a 520 chain setup and need to shed rotational mass without sacrificing durability, the DRIVEN RACING 47-tooth rear sprocket delivers both. This is one of the lightest steel sprockets in its class, engineered with proprietary EST...12100956- SKU:
- 12100956
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- COLOR/FINISH:
- ZINC
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
$64.99 -
DRIVEN RACING Front Sprocket - 15-Tooth - Honda 2551-428-15T
DRIVEN RACING
$18.99If you're running a high-RPM Honda build, sprocket weight directly impacts acceleration and engine response. The DRIVEN RACING 15-Tooth Front Sprocket eliminates unnecessary mass while maintaining the durability you need for consistent track performance...12121582- SKU:
- 12121582
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- TOOTH COUNT:
- 15
- CHAIN SIZE:
- 428
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
$18.99 -
DRIVEN RACING Front Sprocket - 13-Tooth - Kawasaki 3099-420-13T
DRIVEN RACING
$18.99If you're serious about track performance, sprocket weight directly impacts your bike's acceleration and overall responsiveness. DRIVEN Racing's 13-tooth front sprocket uses proprietary EST Technology to deliver one of the lightest 520 steel options on...12121579- SKU:
- 12121579
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- CHAIN SIZE:
- 420
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 13
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
$18.99 -
DRIVEN RACING Rear Sprocket - 46-Tooth 5063-520-46T
DRIVEN RACING
$64.99If you're chasing lap times or maximizing acceleration on the track, sprocket weight directly impacts your bike's responsiveness and chain stress. The DRIVEN RACING 46-Tooth Rear Sprocket uses proprietary EST Technology to deliver one of the lightest 520...12100955- SKU:
- 12100955
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- MATERIAL:
- STEEL
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
$64.99 -
DRIVEN RACING Rear Sprocket - 41-Tooth 5032-520-41T
DRIVEN RACING
$64.99If you're chasing lap times or building a race-focused 520 drivetrain, sprocket weight directly impacts acceleration and rotational inertia. DRIVEN Racing's 41-tooth rear sprocket combines lightweight construction with extended durability, giving you the...12100942- SKU:
- 12100942
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- COLOR/FINISH:
- BLACK
- TOOTH COUNT:
- 41
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$64.99 -
DRIVEN RACING Rear Sprocket - 42-Tooth 5009-520-42T
DRIVEN RACING
$64.99If you're running a 520 chain setup and chasing lap times, your sprocket choice directly impacts acceleration, durability, and unsprung weight. DRIVEN Racing's 42-Tooth rear sprocket delivers one of the lightest options in its class without sacrificing...12101046- SKU:
- 12101046
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 42
- TYPE:
- DRIVE
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
$64.99Qty in Cart: 0Quantity:Price:$64.99Subtotal: -
DRIVEN RACING Counter Shaft Sprocket - 15-Tooth 1067-520-15T
DRIVEN RACING
$50.99Shaving weight off your drivetrain directly improves acceleration and reduces rotational inertia—critical for any serious racing application. The DRIVEN Racing 15-tooth counter shaft sprocket uses proprietary EST Technology to deliver the lightweight...12120922- SKU:
- 12120922
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 15
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
$50.99 -
DRIVEN RACING Counter Shaft Sprocket - 16-Tooth 1036-520-16T
DRIVEN RACING
$45.99If you're chasing fractional gains in acceleration and top-end performance, every gram counts—and this 16-tooth counter shaft sprocket delivers weight savings without sacrificing durability. DRIVEN Racing's EST Technology balances aggressive material...12120853- SKU:
- 12120853
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 16
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- COLOR/FINISH:
- ZINC
$45.99 -
DRIVEN RACING Counter Shaft Sprocket - 17-Tooth 1037-520-17T
DRIVEN RACING
$45.99Lightweight sprockets are critical for high-revving applications where rotational mass directly impacts throttle response and acceleration. The DRIVEN RACING 17-Tooth Counter Shaft Sprocket delivers one of the lightest 520-pitch steel options available,...12121454- SKU:
- 12121454
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TOOTH COUNT:
- 17
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$45.99 -
DRIVEN RACING Rear Sprocket - 47-Tooth 5017-520-47T
DRIVEN RACING
$64.99If you're serious about extracting every ounce of performance from your 520 chain drive, sprocket weight matters more than you think—and this DRIVEN Racing rear sprocket delivers the lightest steel option available. Reducing unsprung mass at the rear...12100939- SKU:
- 12100939
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- COLOR/FINISH:
- ZINC
- RIDING STYLE:
- STREET
$64.99 -
DRIVEN RACING Rear Sprocket - 44-Tooth 5018-520-44T
DRIVEN RACING
$55.99Sprocket weight directly impacts acceleration and overall drivetrain efficiency—every gram matters in competitive racing. The DRIVEN RACING 44-tooth rear sprocket delivers one of the lightest 520-chain options available, engineered with proprietary EST...12101009- SKU:
- 12101009
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 44
- TYPE:
- DRIVE
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- UNITS:
- EACH
$55.99Qty in Cart: 0Quantity:Price:$55.99Subtotal:
