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!
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- Quantity
- Price
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On Sale
VORTEX Front Sprocket - 14 Tooth - Honda 3264-14
VORTEX
MSRP: $23.95Now: $20.36Was: $23.95A worn or incorrect front sprocket directly impacts your Honda's acceleration, top speed, and overall drivetrain efficiency. The VORTEX 14-tooth front sprocket delivers precision-engineered...12122328- SKU:
- 12122328
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $23.95Now: $20.36Was: $23.95Qty in Cart: 0Quantity:Price:MSRP: $23.95Now: $20.36Was: $23.95Subtotal: -
On Sale
VORTEX Front Sprocket - 16 Tooth - Honda 3264-16
VORTEX
MSRP: $23.95Now: $20.36Was: $23.95A worn or damaged front sprocket directly impacts your power delivery, throttle response, and chain longevity. The VORTEX 16-tooth front sprocket restores precision engagement with your chain while...12122329- SKU:
- 12122329
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $23.95Now: $20.36Was: $23.95 -
On Sale
VORTEX Front Sprocket - 14 Tooth - Z 125 Pro 3210-14
VORTEX
MSRP: $23.95Now: $20.36Was: $23.95A worn or incorrect front sprocket directly impacts your Z 125 Pro's acceleration, top-end speed, and overall driveability. The VORTEX 14-Tooth Front Sprocket delivers precision engineering with...12122330- SKU:
- 12122330
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
MSRP: $23.95Now: $20.36Was: $23.95 -
On Sale
VORTEX Front Sprocket - 15 Tooth - Z 125 Pro 3210-15
VORTEX
MSRP: $23.95Now: $20.36Was: $23.95A worn or damaged front sprocket directly impacts your Z 125 Pro's acceleration, power delivery, and drivetrain efficiency. This VORTEX 15-tooth sprocket is precision-manufactured and...12122331- SKU:
- 12122331
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
MSRP: $23.95Now: $20.36Was: $23.95Qty in Cart: 0Quantity:Price:MSRP: $23.95Now: $20.36Was: $23.95Subtotal: -
On Sale
VORTEX Front Sprocket - 14 Tooth - Silver - Ninja ZX-4RR 3768-14
VORTEX
MSRP: $34.95Now: $29.71Was: $34.95A worn or damaged front sprocket directly impacts your ZX-4RR's acceleration, chain longevity, and overall drivetrain efficiency. The VORTEX 14-tooth front sprocket delivers precision-engineered...12122332- SKU:
- 12122332
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $34.95Now: $29.71Was: $34.95 -
On Sale
VORTEX Front Sprocket - 15 Tooth - Silver - Ninja ZX-4RR 3768-15
VORTEX
MSRP: $34.95Now: $29.71Was: $34.95A worn or incorrect front sprocket directly impacts your ZX-4RR's acceleration, top-end speed, and chain longevity. This VORTEX 15-tooth front sprocket is precision-manufactured and...12122333- SKU:
- 12122333
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $34.95Now: $29.71Was: $34.95 -
On Sale
VORTEX Rear Sprocket - Aluminum - 37 Tooth - Silver - Honda 215-37
VORTEX
MSRP: $59.95Now: $50.96Was: $59.95Your rear sprocket is critical to power delivery and acceleration—a worn or mismatched unit kills performance and strains your drivetrain. The VORTEX 37-tooth aluminum sprocket delivers precise gear...12112873- SKU:
- 12112873
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
MSRP: $59.95Now: $50.96Was: $59.95 -
On Sale
VORTEX Rear Sprocket - Aluminum - 38 Tooth - Silver - Honda 215-38
VORTEX
MSRP: $59.95Now: $50.96Was: $59.95A worn or poorly chosen rear sprocket directly impacts your Honda's acceleration, top speed, and engine wear. The VORTEX 38-tooth aluminum sprocket delivers the ideal balance of responsiveness and...12112874- SKU:
- 12112874
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
MSRP: $59.95Now: $50.96Was: $59.95 -
On Sale
VORTEX Rear Sprocket - Aluminum - 39 Tooth - Silver - Honda 215-39
VORTEX
MSRP: $59.95Now: $50.96Was: $59.95A worn or suboptimal rear sprocket directly impacts your bike's acceleration, top-end speed, and overall drivetrain efficiency. The VORTEX 39-tooth aluminum sprocket delivers a precision-engineered...12112875- SKU:
- 12112875
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
MSRP: $59.95Now: $50.96Was: $59.95 -
On Sale
VORTEX Rear Sprocket - Aluminum - 40 Tooth - Silver - Grom 215-40
VORTEX
MSRP: $59.95Now: $50.96Was: $59.95The VORTEX 40-Tooth Rear Sprocket is engineered for Grom riders who demand reliable acceleration and extended component lifespan. Built from lightweight aluminum and anodized for corrosion...12112876- SKU:
- 12112876
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
MSRP: $59.95Now: $50.96Was: $59.95 -
On Sale
VORTEX Rear Sprocket - Aluminum - 30 Tooth - Silver - Z 125 Pro 405-30
VORTEX
MSRP: $59.95Now: $50.96Was: $59.95A worn or mismatched rear sprocket directly impacts your Z 125 Pro's acceleration, fuel efficiency, and chain longevity. The VORTEX 30-tooth aluminum sprocket delivers a precision-engineered...12112877- SKU:
- 12112877
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $59.95Now: $50.96Was: $59.95 -
On Sale
VORTEX Rear Sprocket - Aluminum - 31 Tooth - Silver - Z 125 Pro 405-31
VORTEX
MSRP: $59.95Now: $50.96Was: $59.95A worn or poorly matched rear sprocket directly impacts your Z 125 Pro's acceleration, top speed, and chain longevity. The VORTEX 31-tooth aluminum sprocket restores optimal power delivery while the...12112878- SKU:
- 12112878
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $59.95Now: $50.96Was: $59.95 -
On Sale
VORTEX Rear Sprocket - Aluminum - 32 Tooth - Silver - Z 125 Pro 405-32
VORTEX
MSRP: $59.95Now: $50.96Was: $59.95A worn or mismatched rear sprocket directly impacts your Z 125 Pro's acceleration, top speed, and overall drivetrain efficiency. The VORTEX 32-tooth aluminum sprocket delivers precise gear ratios...12112879- SKU:
- 12112879
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $59.95Now: $50.96Was: $59.95 -
On Sale
VORTEX Rear Sprocket - 47 Tooth - Black - Ninja ZX-4RR 452AS-47
VORTEX
MSRP: $56.95Now: $48.41Was: $56.95Gearing directly impacts your ZX-4RR's acceleration, top speed, and overall powerband delivery. The VORTEX 47-tooth rear sprocket is engineered to optimize your bike's performance characteristics,...12102785- SKU:
- 12102785
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
MSRP: $56.95Now: $48.41Was: $56.95 -
On Sale
VORTEX Rear Sprocket - 48 Tooth - Black - Ninja ZX-4RR 452AS-48
VORTEX
MSRP: $56.95Now: $48.41Was: $56.95Gearing is the foundation of your bike's acceleration and top-end performance—choose wrong, and you're leaving power on the table. The VORTEX 48-tooth rear sprocket delivers the perfect balance of...12102786- SKU:
- 12102786
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
MSRP: $56.95Now: $48.41Was: $56.95Qty in Cart: 0Quantity:Price:MSRP: $56.95Now: $48.41Was: $56.95Subtotal: -
On Sale
VORTEX Rear Sprocket - 44 Tooth - Black - Yamaha 435S-44
VORTEX
MSRP: $59.95Now: $50.96Was: $59.95A properly matched rear sprocket is critical for optimizing your Yamaha's power delivery and top-end performance. The VORTEX 44-tooth sprocket delivers the ideal balance between acceleration and...12102787- SKU:
- 12102787
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
MSRP: $59.95Now: $50.96Was: $59.95 -
On Sale
VORTEX Rear Sprocket - 46 Tooth - Black - Yamaha 435S-46
VORTEX
MSRP: $59.95Now: $50.96Was: $59.95A rear sprocket is one of the most direct ways to tune your Yamaha's acceleration and top-end characteristics without changing the engine itself. The VORTEX 46-tooth rear sprocket shifts your final...12102788- SKU:
- 12102788
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
MSRP: $59.95Now: $50.96Was: $59.95 -
GILLES TOOLING AXB Chain Adjuster - Black - Suzuki AXB-BD-B
GILLES TOOLING
$132.87Proper chain tension is critical to maximize drivetrain efficiency and extend sprocket life, yet OEM adjustment methods often introduce inconsistency and frustration during wheel changes. The Gilles...12310620- SKU:
- 12310620
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$132.87 -
GILLES TOOLING Rear Axle Protector - Black - Suzuki GTA-R-S02
GILLES TOOLING
$91.78Track days and paddock sessions demand protection where it matters most—your rear axle and swingarm. The GILLES TOOLING Rear Axle Protector absorbs impact that would otherwise compromise your frame...12310975- SKU:
- 12310975
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
$91.78 -
GILLES TOOLING Front Axle Protector - Black GTA-F-S02
GILLES TOOLING
$91.78Protect your front axle from costly impact damage while gaining a practical paddock stand adapter in one integrated component. The Gilles Tooling Front Axle Protector combines impact-resistant...12310976- SKU:
- 12310976
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$91.78
