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
-
PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 13144-1126
PARTS UNLIMITED
$15.85A worn or damaged countershaft sprocket directly impacts your power delivery and drivetrain efficiency. This PARTS UNLIMITED 14-tooth sprocket is manufactured to OEM specifications, ensuring precise...K222782- SKU:
- K222782
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- TOOTH COUNT:
- 14
$15.85 -
PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 13144-1106-16T
PARTS UNLIMITED
$24.33A worn or damaged countershaft sprocket compromises your entire drivetrain's efficiency and can lead to costly chain and clutch wear. The PARTS UNLIMITED 16-Tooth Countershaft Sprocket delivers...K222787- SKU:
- K222787
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- CHAIN SIZE:
- 530
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TOOTH COUNT:
- 16
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
$24.33 -
PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 27511-45000
PARTS UNLIMITED
$24.33A worn or damaged countershaft sprocket compromises your drivetrain's efficiency and can lead to costly secondary damage if left unchecked. This OEM-specification replacement restores precise...K222830- SKU:
- K222830
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TOOTH COUNT:
- 15
- TYPE:
- COUNTERSHAFT
- CHAIN SIZE:
- 630
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$24.33 -
PARTS UNLIMITED Rear Honda Sprocket - 530 - 45 Tooth 41200-ML7-000
PARTS UNLIMITED
$49.77A worn or damaged rear sprocket compromises your entire drivetrain's efficiency, leading to power loss, increased wear on your chain, and potential catastrophic failure at high RPMs. This PARTS...K223505F- SKU:
- K223505F
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 45
- TYPE:
- DRIVE
- COLOR/FINISH:
- NATURAL
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- CHAIN SIZE:
- 530
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$49.77 -
PARTS UNLIMITED Rear Honda Sprocket - 530 - 48 Tooth 41201-300-870
PARTS UNLIMITED
$52.95A worn or damaged rear sprocket compromises your entire drivetrain's efficiency, causing power loss and accelerated wear on your chain and front sprocket. This PARTS UNLIMITED rear sprocket is...K223520- SKU:
- K223520
- Availability:
- Ships Same Business Day
- Weight:
- 3.13 LBS
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 48
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- PRODUCT NAME:
- SPROCKET
$52.95 -
PARTS UNLIMITED Rear Honda Sprocket - 530 - 34 Tooth 41201-323-010
PARTS UNLIMITED
$29.63A worn or damaged sprocket compromises your entire drivetrain, leading to poor acceleration, excessive chain wear, and costly secondary failures. This OEM-spec rear sprocket delivers the precise...K223522- SKU:
- K223522
- Availability:
- Ships Same Business Day
- Weight:
- 1.88 LBS
- CHAIN SIZE:
- 530
- UNITS:
- EACH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- TOOTH COUNT:
- 34
- COLOR/FINISH:
- NATURAL
$29.63 -
PARTS UNLIMITED Rear Honda Sprocket - 530 - 36 Tooth 41200-344-000
PARTS UNLIMITED
$39.17A worn or damaged sprocket directly impacts your Honda's acceleration, top-end performance, and chain longevity. This OEM-spec rear sprocket restores precise engagement with your chain and delivers...K223541- SKU:
- K223541
- Availability:
- Ships Same Business Day
- Weight:
- 2.13 LBS
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- CHAIN SIZE:
- 530
- TOOTH COUNT:
- 36
- UNITS:
- EACH
$39.17 -
PARTS UNLIMITED Rear Honda Sprocket - 530 - 37 Tooth 41201-374-000
PARTS UNLIMITED
$38.11A worn or damaged rear sprocket compromises your chain engagement and throttle response, directly impacting acceleration and top-end performance. This OEM-spec replacement from PARTS UNLIMITED...K223546- SKU:
- K223546
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 37
- CHAIN SIZE:
- 530
- TYPE:
- DRIVE
- UNITS:
- EACH
$38.11Qty in Cart: 0Quantity:Price:$38.11Subtotal: -
PARTS UNLIMITED Rear Honda Sprocket - 630 - 41 Tooth 41201-405-000
PARTS UNLIMITED
$60.37A worn or damaged sprocket directly impacts your drivetrain efficiency, throttle response, and chain longevity. This PARTS UNLIMITED rear sprocket restores OEM-spec performance and ensures precise...K223552- SKU:
- K223552
- Availability:
- Ships Same Business Day
- Weight:
- 4.38 LBS
- CHAIN SIZE:
- 630
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- TOOTH COUNT:
- 41
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$60.37 -
PARTS UNLIMITED Rear Honda Sprocket - 530 - 34 Tooth 41200-369-000
PARTS UNLIMITED
$37.05A worn or damaged rear sprocket directly compromises acceleration, chain engagement, and overall drivetrain efficiency. This OEM-specification replacement restores precise tooth geometry and spline...K223556- SKU:
- K223556
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- COLOR/FINISH:
- NATURAL
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 34
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- CHAIN SIZE:
- 530
- UNITS:
- EACH
$37.05 -
PARTS UNLIMITED Rear Kawasaki Sprocket - 520 - 45 Tooth 42041-1277
PARTS UNLIMITED
$35.99A worn or damaged rear sprocket directly impacts your Kawasaki's acceleration, chain longevity, and overall drivetrain efficiency. This OEM-spec replacement restores precise engagement with your...K223701N- SKU:
- K223701N
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- NATURAL
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 45
- TYPE:
- DRIVE
$35.99 -
PARTS UNLIMITED Rear Kawasaki Sprocket - 630 - 35 Tooth 42041-118
PARTS UNLIMITED
$48.71A worn or damaged rear sprocket compromises your chain drive efficiency, increases drivetrain wear, and can leave you stranded mid-ride. The PARTS UNLIMITED Rear Kawasaki Sprocket delivers OEM-spec...K223714- SKU:
- K223714
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 35
- CHAIN SIZE:
- 630
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
$48.71 -
PARTS UNLIMITED Rear Honda Sprocket - 42 Tooth 41201-MCJ-00042
PARTS UNLIMITED
$42.35A worn or damaged sprocket directly impacts your drivetrain's efficiency, power delivery, and chain longevity. This OEM-spec rear sprocket restores your Honda's original performance characteristics...12100044- SKU:
- 12100044
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
- TOOTH COUNT:
- 42
$42.35 -
PARTS UNLIMITED Rear Suzuki Sprocket - 42 Tooth 64511-40F10-42
PARTS UNLIMITED
$43.41A worn or damaged rear sprocket compromises your bike's acceleration, power delivery, and overall drivetrain efficiency. The PARTS UNLIMITED 42-tooth rear sprocket restores OEM performance with...12100050- SKU:
- 12100050
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 42
- TYPE:
- DRIVE
- UNITS:
- EACH
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
$43.41 -
PARTS UNLIMITED Rear Yamaha Sprocket - 41 Tooth 42041-1287-41
PARTS UNLIMITED
$25.39A worn or damaged rear sprocket directly impacts power delivery, acceleration, and overall drivetrain efficiency on your Yamaha. This OEM-specification replacement restores precise chain engagement...12100058- SKU:
- 12100058
- Availability:
- Ships Same Business Day
- Weight:
- 1.91 LBS
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 41
- TYPE:
- DRIVE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
$25.39Qty in Cart: 0Quantity:Price:$25.39Subtotal: -
PARTS UNLIMITED Rear Yamaha Sprocket - 43 Tooth 4XV-25443-20-43
PARTS UNLIMITED
$38.11A worn or damaged rear sprocket compromises your entire drivetrain's efficiency, causing power loss and accelerated wear on your chain and transmission components. The PARTS UNLIMITED Rear Yamaha...12100059- SKU:
- 12100059
- Availability:
- Ships Same Business Day
- Weight:
- 2.08 LBS
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 43
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$38.11Qty in Cart: 0Quantity:Price:$38.11Subtotal: -
PARTS UNLIMITED Rear Honda Sprocket - 520 - 49 Tooth 41201-MBA-52049
PARTS UNLIMITED
$13.21A worn or damaged rear sprocket directly impacts your drivetrain's efficiency and acceleration response. This OEM-spec 49-tooth sprocket restores the precise engagement your chain demands,...12100271- SKU:
- 12100271
- Availability:
- Ships Same Business Day
- Weight:
- 2.31 LBS
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
$13.21Qty in Cart: 0Quantity:Price:$13.21Subtotal: -
PARTS UNLIMITED Rear Honda Sprocket - 520 - 41 Tooth 41201-MEE-52041
PARTS UNLIMITED
$29.63A worn or damaged rear sprocket compromises your chain's engagement and accelerates drivetrain wear—costing you power delivery and reliability when you need it most. This OEM-specification sprocket...12100272- SKU:
- 12100272
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- COLOR/FINISH:
- NATURAL
- TOOTH COUNT:
- 41
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
$29.63 -
PARTS UNLIMITED Rear Honda Sprocket - 520 - 43 Tooth 41201-MEE-52043
PARTS UNLIMITED
$31.75A worn or damaged rear sprocket compromises your entire drivetrain's efficiency and can lead to costly chain wear and power loss. This OEM-spec 43-tooth sprocket restores precise engagement with your...12100274- SKU:
- 12100274
- Availability:
- Ships Same Business Day
- Weight:
- 1.43 LBS
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 43
- TYPE:
- DRIVE
- MATERIAL:
- STEEL
$31.75 -
PARTS UNLIMITED Rear Honda Sprocket - 520 - 44 Tooth 41201-MEE-52044
PARTS UNLIMITED
$34.93A worn or damaged rear sprocket compromises power delivery and creates drivetrain noise that signals imminent failure. This OEM-spec replacement restores precise engagement with your chain, ensuring...12100275- SKU:
- 12100275
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 44
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
- MATERIAL:
- STEEL
$34.93
