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
-
On Sale
JT SPROCKETS Rear Sprocket - 44 Tooth - Z900 JTR1489.44
JT SPROCKETS
MSRP: $38.38Now: $34.16Was: $38.38A worn or undersized rear sprocket limits your Z900's acceleration and overall drivetrain efficiency. This JT Sprockets 44-tooth rear sprocket delivers the precise gear ratio you need while...12102400- SKU:
- 12102400
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
MSRP: $38.38Now: $34.16Was: $38.38 -
On Sale
JT SPROCKETS Rear Sprocket - 43 Tooth - Suzuki/Triumph JTR1793.43
JT SPROCKETS
MSRP: $32.53Now: $28.95Was: $32.53A worn or incorrect sprocket directly impacts your acceleration, top-end speed, and overall powertrain efficiency. The JT Sprockets 43-tooth rear sprocket is engineered to deliver precise power...12102401- SKU:
- 12102401
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
MSRP: $32.53Now: $28.95Was: $32.53 -
On Sale
JT SPROCKETS Rear Sprocket - 37 Tooth - Triumph JTR2014.37
JT SPROCKETS
MSRP: $33.28Now: $29.62Was: $33.28A worn or mismatched rear sprocket directly impacts your Triumph's acceleration, top-end speed, and engine efficiency. The JT Sprockets 37-tooth rear sprocket restores optimal power delivery and...12102403- SKU:
- 12102403
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
MSRP: $33.28Now: $29.62Was: $33.28 -
On Sale
JT SPROCKETS Rear Sprocket - 39 Tooth - Triumph JTR2014.39
JT SPROCKETS
MSRP: $33.28Now: $29.62Was: $33.28A worn or mismatched rear sprocket directly impacts your Triumph's acceleration, top-end speed, and overall driveability. This JT 39-tooth rear sprocket restores optimal power delivery and chain...12102404- SKU:
- 12102404
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
MSRP: $33.28Now: $29.62Was: $33.28 -
On Sale
JT SPROCKETS Rear Sprocket - 42 Tooth - Triumph JTR2014.42
JT SPROCKETS
MSRP: $36.95Now: $32.89Was: $36.95A worn or mismatched rear sprocket compromises acceleration, fuel efficiency, and drivetrain longevity. The JT Sprockets 42-tooth rear sprocket delivers the durability and precision needed for...12102405- SKU:
- 12102405
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
MSRP: $36.95Now: $32.89Was: $36.95 -
On Sale
JT SPROCKETS Rear Sprocket - 46 Tooth - Triumph JTR2014.46
JT SPROCKETS
MSRP: $38.60Now: $34.35Was: $38.60A worn or incorrect rear sprocket directly impacts your Triumph's acceleration, top-end speed, and overall drivability. The JT Sprockets 46-tooth rear sprocket delivers the durability and precision...12102406- SKU:
- 12102406
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
MSRP: $38.60Now: $34.35Was: $38.60 -
On Sale
JT SPROCKETS Rear Sprocket - 41 Tooth - Triumph JTR2020.41
JT SPROCKETS
MSRP: $31.43Now: $27.97Was: $31.43A worn or incorrect rear sprocket directly impacts your Triumph's acceleration, top-end performance, and overall drivetrain efficiency. The JT Sprockets 41-tooth rear sprocket delivers the precise...12102407- SKU:
- 12102407
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
MSRP: $31.43Now: $27.97Was: $31.43 -
On Sale
JT SPROCKETS Rear Sprocket - 41 Tooth - RSV4 JTR713.41
JT SPROCKETS
MSRP: $34.78Now: $30.95Was: $34.78A properly sized rear sprocket is critical for optimizing your RSV4's acceleration, top-end speed, and overall power delivery. The JT Sprockets 41-tooth rear sprocket delivers the precision...12102411- SKU:
- 12102411
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
MSRP: $34.78Now: $30.95Was: $34.78 -
On Sale
JT SPROCKETS Rear Sprocket - 42 Tooth - Aprilia JTR713.42
JT SPROCKETS
MSRP: $34.78Now: $30.95Was: $34.78A worn or mismatched rear sprocket directly impacts your Aprilia's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 42-tooth rear sprocket delivers the precise gear...12102412- SKU:
- 12102412
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
MSRP: $34.78Now: $30.95Was: $34.78 -
On Sale
JT SPROCKETS Rear Sprocket - 43 Tooth - Ducati JTR752.43
JT SPROCKETS
MSRP: $45.15Now: $40.18Was: $45.15A properly sized rear sprocket is critical to maximizing your Ducati's acceleration and top-end performance—the wrong tooth count kills responsiveness and wastes horsepower. The JT Sprockets 43-tooth...12102413- SKU:
- 12102413
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
MSRP: $45.15Now: $40.18Was: $45.15 -
On Sale
JT SPROCKETS Rear Sprocket - 41 Tooth - Ducati JTR761.41
JT SPROCKETS
MSRP: $40.35Now: $35.91Was: $40.35A properly sized rear sprocket is critical to maximizing your Ducati's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 41-tooth rear sprocket delivers precision...12102414- SKU:
- 12102414
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
MSRP: $40.35Now: $35.91Was: $40.35 -
On Sale
JT SPROCKETS Rear Sprocket - 41 Tooth - KTM/Husaberg/Husqvarna JTR897.41
JT SPROCKETS
MSRP: $31.08Now: $27.66Was: $31.08A properly matched rear sprocket is critical to achieving optimal power delivery and acceleration on your KTM, Husaberg, or Husqvarna dirt bike. The JT Sprockets 41-tooth rear sprocket delivers the...12102416- SKU:
- 12102416
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
MSRP: $31.08Now: $27.66Was: $31.08 -
On Sale
JT SPROCKETS Rear Sprocket - 39 Tooth - Honda JTR1316.39
JT SPROCKETS
MSRP: $28.83Now: $25.66Was: $28.83A worn or incorrect rear sprocket directly impacts your Honda's acceleration, top speed, and overall drivetrain efficiency. The JT Sprockets 39-tooth rear sprocket is engineered to restore or...12102425- SKU:
- 12102425
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
MSRP: $28.83Now: $25.66Was: $28.83 -
On Sale
JT SPROCKETS Rear Sprocket - 38 Tooth - Honda JTR1316.38
JT SPROCKETS
MSRP: $28.83Now: $25.66Was: $28.83A worn or incorrectly sized rear sprocket directly impacts your Honda's acceleration, top speed, and overall drivetrain efficiency. The JT Sprockets 38-tooth rear sprocket delivers predictable power...12102426- SKU:
- 12102426
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
MSRP: $28.83Now: $25.66Was: $28.83 -
On Sale
JT SPROCKETS Rear Sprocket - 43 Tooth - CBR1000 JTR1317.43
JT SPROCKETS
MSRP: $36.70Now: $32.66Was: $36.70Your CBR1000's acceleration and top-end performance depend directly on sprocket selection—choose wrong, and you'll sacrifice either responsiveness or fuel efficiency. The JT Sprockets 43-tooth rear...12102428- SKU:
- 12102428
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
MSRP: $36.70Now: $32.66Was: $36.70 -
On Sale
JT SPROCKETS Rear Sprocket - 45 Tooth - BMW JTR10.45
JT SPROCKETS
MSRP: $39.30Now: $34.98Was: $39.30A worn or inadequate rear sprocket directly impacts your BMW's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 45-tooth rear sprocket delivers the precise gear ratio...12102462- SKU:
- 12102462
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
MSRP: $39.30Now: $34.98Was: $39.30 -
On Sale
JT SPROCKETS Rear Sprocket - 37 Tooth - W800 JTR487.37
JT SPROCKETS
MSRP: $29.83Now: $26.55Was: $29.83A worn or incorrect rear sprocket directly impacts your W800's acceleration, top-end speed, and chain longevity. This 37-tooth JT sprocket is engineered to deliver precise power transfer while...12102466- SKU:
- 12102466
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
MSRP: $29.83Now: $26.55Was: $29.83 -
On Sale
JT SPROCKETS Rear Sprocket - 43 Tooth - Ducati JTR746.43
JT SPROCKETS
MSRP: $38.08Now: $33.89Was: $38.08A worn or incorrect sprocket will leave power on the track and throw off your entire drivetrain geometry. The JT Sprockets 43-tooth rear sprocket is engineered for Ducati applications with precision...12102468- SKU:
- 12102468
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
MSRP: $38.08Now: $33.89Was: $38.08 -
On Sale
JT SPROCKETS Rear Sprocket - 43 Tooth - Ducati JTR765.43
JT SPROCKETS
MSRP: $39.25Now: $34.93Was: $39.25A worn or incompatible rear sprocket directly impacts acceleration, top-end speed, and drivetrain efficiency on your Ducati. This JT Sprockets 43-tooth unit delivers the precision engineering and...12102470- SKU:
- 12102470
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
MSRP: $39.25Now: $34.93Was: $39.25Qty in Cart: 0Quantity:Price:MSRP: $39.25Now: $34.93Was: $39.25Subtotal: -
On Sale
JT SPROCKETS Rear Sprocket - 43 Tooth - Multistrada JTR766.43
JT SPROCKETS
MSRP: $42.30Now: $37.65Was: $42.30A worn or incorrect rear sprocket directly impacts your Multistrada's acceleration, top-end speed, and overall driveability. The JT Sprockets 43-tooth rear sprocket delivers the precision engineering...12102471- SKU:
- 12102471
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
MSRP: $42.30Now: $37.65Was: $42.30Qty in Cart: 0Quantity:Price:MSRP: $42.30Now: $37.65Was: $42.30Subtotal:
