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 - 40-Tooth 5063-520-40T
DRIVEN RACING
$64.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12100949- 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
$64.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12100950- 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
$64.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12100951- 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
$64.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12100952- 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
$64.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12100953- 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
$64.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12100954- 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
$64.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12100956- 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
$18.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12121582- 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
$18.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12121579- 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
$64.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12100955- 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
$64.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12100942- 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
$64.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12101046- 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
$50.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12120922- 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
$45.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12120853- 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
$45.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12121454- 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
$64.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12100939- 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
$58.99One of the lightest 520 steel sprockets available today, Designed using our proprietary EST Technology, Performance and longevity all in one sprocket, Attractive black zinc semi-gloss finish, Lowered surface to remove unnecessary weight12101009- 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
$58.99 -
EK 525 SRX2 Series - Clip Connecting Link 525SRX2-SKJ
EK
$8.59Replacement connecting link12250286- SKU:
- 12250286
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- NATURAL
- NUMBER OF LINKS:
- 1
- TYPE:
- CLIP
- PRODUCT NAME:
- CONNECTING LINK
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CHAIN TYPE:
- 525 SRX2
- MODEL:
- SRX2 SERIES
$8.59 -
EK 420 - Standard Chain - Connecting Link - Clip 420-SPJ
EK
$1.73Replacement connecting linkK185007- SKU:
- K185007
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- CHAIN TYPE:
- 420 STANDARD
- RIDING STYLE:
- STREET
- TYPE:
- CLIP
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CONNECTING LINK
$1.73 -
EK 428 - Standard Chain - Connecting Link - Clip 428-SPJ
EK
$1.73Replacement connecting linkK185011- SKU:
- K185011
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- CONNECTING LINK
- TYPE:
- CLIP
- CHAIN TYPE:
- 428 STANDARD
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
$1.73
