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
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On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 38 Tooth - Black - CRF 110F JTA1214.38BLK
JT SPROCKETS
MSRP: $29.60Now: $26.34Was: $29.60A worn or damaged rear sprocket directly impacts acceleration, fuel efficiency, and overall drivetrain responsiveness on your CRF 110F. This JT Sprockets aluminum replacement restores precise power...12112814- SKU:
- 12112814
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
MSRP: $29.60Now: $26.34Was: $29.60 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 38 Tooth - Red - CRF 110F JTA1214.38RED
JT SPROCKETS
MSRP: $29.60Now: $26.34Was: $29.60Lightweight performance and durability matter when you're pushing your CRF 110F to its limits. This JT rear sprocket delivers the precision engineering your mini requires, combining aviation-grade...12112815- SKU:
- 12112815
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
MSRP: $29.60Now: $26.34Was: $29.60 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 44 Tooth - Black - RC 390 JTA890.44BLK
JT SPROCKETS
MSRP: $35.50Now: $31.60Was: $35.50A lightweight rear sprocket is critical for maximizing acceleration and reducing rotational mass on your RC 390. This JT Sprockets 44-tooth aluminum sprocket delivers the precision engineering and...12112850- SKU:
- 12112850
- Availability:
- Ships Same Business Day
- Weight:
- 0.91 LBS
MSRP: $35.50Now: $31.60Was: $35.50 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 44 Tooth - Orange - RC 390 JTA890.44ORG
JT SPROCKETS
MSRP: $35.50Now: $31.60Was: $35.50A rear sprocket is fundamental to your RC 390's acceleration and top-end performance—get it wrong, and you'll sacrifice responsiveness or fuel efficiency. This JT Sprockets 44-tooth aluminum unit...12112851- SKU:
- 12112851
- Availability:
- Ships Same Business Day
- Weight:
- 0.91 LBS
MSRP: $35.50Now: $31.60Was: $35.50 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 48 Tooth - Red - Gas Gas/Husqvarna/Husaberg/KTM JTA897.48RED
JT SPROCKETS
MSRP: $37.38Now: $33.27Was: $37.38A worn or mismatched sprocket robs you of power transfer and acceleration—especially critical in off-road racing where every gear ratio counts. This JT rear sprocket delivers the lightweight...12112854- SKU:
- 12112854
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
MSRP: $37.38Now: $33.27Was: $37.38 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 49 Tooth - Red - Gas Gas/Husqvarna/Husaberg/KTM JTA897.49RED
JT SPROCKETS
MSRP: $38.88Now: $34.60Was: $38.88A worn or undersized rear sprocket directly impacts your bike's acceleration, top-end speed, and power delivery—especially critical in competitive riding where fractions matter. This JT aluminum...12112856- SKU:
- 12112856
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
MSRP: $38.88Now: $34.60Was: $38.88 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 50 Tooth - Red - Gas Gas/Husqvarna/Husaberg/KTM JTA897.50RED
JT SPROCKETS
MSRP: $40.35Now: $35.91Was: $40.35A worn or mismatched rear sprocket directly impacts your bike's acceleration, top-end speed, and overall driveability. The JT SPROCKETS 50-tooth aluminum rear sprocket delivers the precision...12112858- SKU:
- 12112858
- Availability:
- Ships Same Business Day
- Weight:
- 0.91 LBS
MSRP: $40.35Now: $35.91Was: $40.35 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 42 Tooth - Orange - KTM/Husqvarna JTA890.42ORG
JT SPROCKETS
MSRP: $35.50Now: $31.60Was: $35.50A lighter rear sprocket directly improves acceleration and reduces unsprung mass, giving you quicker throttle response and better handling through technical sections. The self-cleaning design keeps...12112864- SKU:
- 12112864
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
MSRP: $35.50Now: $31.60Was: $35.50 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 40 Tooth - Black - CRF 300 JTA1301.40BLK
JT SPROCKETS
MSRP: $33.33Now: $29.66Was: $33.33Sprocket wear directly impacts your CRF 300's acceleration, top-end speed, and chain longevity. This JT rear sprocket delivers precision engineering with a lightweight aluminum construction that...12112866- SKU:
- 12112866
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
MSRP: $33.33Now: $29.66Was: $33.33Qty in Cart: 0Quantity:Price:MSRP: $33.33Now: $29.66Was: $33.33Subtotal: -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 40 Tooth - Red - CRF 300 JTA1301.40RED
JT SPROCKETS
MSRP: $33.33Now: $29.66Was: $33.33A worn or inadequate rear sprocket directly impacts your CRF 300's acceleration, top-end speed, and overall drivetrain efficiency. This JT Sprockets aluminum unit delivers the lightweight...12112867- SKU:
- 12112867
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
MSRP: $33.33Now: $29.66Was: $33.33 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 43 Tooth - Gold - Kawasaki JTA478.43GLD
JT SPROCKETS
MSRP: $35.18Now: $31.31Was: $35.18A worn or incorrect sprocket directly impacts your acceleration, top speed, and overall drivetrain efficiency. The JT Sprockets 43-tooth rear sprocket delivers the precise gearing you need while...12112845- SKU:
- 12112845
- Availability:
- Ships Same Business Day
- Weight:
- 0.84 LBS
MSRP: $35.18Now: $31.31Was: $35.18 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 46 Tooth - Gold - CF Moto/Kawasaki JTA478.46GLD
JT SPROCKETS
MSRP: $38.95Now: $34.67Was: $38.95A worn or mismatched rear sprocket directly impacts acceleration, top speed, and chain longevity on your CF Moto or Kawasaki. The JT SPROCKETS 46-tooth aluminum sprocket delivers precise gear ratios...12112846- SKU:
- 12112846
- Availability:
- Ships Same Business Day
- Weight:
- 0.91 LBS
MSRP: $38.95Now: $34.67Was: $38.95 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 46 Tooth - Gold - KLE 300/FZ6 JTA486.46GLD
JT SPROCKETS
MSRP: $38.95Now: $34.67Was: $38.95A worn or incorrect rear sprocket kills acceleration and fuel efficiency while straining your drivetrain. This JT Sprockets aluminum unit delivers precise 46-tooth gearing optimized for the KLE 300...12112870- SKU:
- 12112870
- Availability:
- Ships Same Business Day
- Weight:
- 0.89 LBS
MSRP: $38.95Now: $34.67Was: $38.95 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 47 Tooth - Gold - YZF-R1/LE JTA486.47GLD
JT SPROCKETS
MSRP: $39.85Now: $35.47Was: $39.85Reducing unsprung weight on your YZF-R1 directly improves throttle response, acceleration, and handling precision—especially critical for track applications where every tenth counts. This JT rear...12112871- SKU:
- 12112871
- Availability:
- Ships Same Business Day
- Weight:
- 0.89 LBS
MSRP: $39.85Now: $35.47Was: $39.85 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 45 Tooth - Gold - Kawasaki/Suzuki/Yamaha JTA486.45GLD
JT SPROCKETS
MSRP: $37.75Now: $33.60Was: $37.75A rear sprocket directly impacts your chain drive efficiency, acceleration, and overall drivetrain responsiveness. JT Sprockets' aluminum design delivers a significant weight reduction compared to...12112869- SKU:
- 12112869
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
MSRP: $37.75Now: $33.60Was: $37.75Qty in Cart: 0Quantity:Price:MSRP: $37.75Now: $33.60Was: $37.75Subtotal: -
Rekluse RadiusX 4.0 Clutch KTM 350 EXC-F 2017-2023 RMS-8303085
REKLUSE
$1,079.00If you're running a KTM 350 EXC-F hard in high-heat conditions, clutch responsiveness and durability directly impact your lap times and rider confidence. The Rekluse RadiusX 4.0 delivers the...11300853- SKU:
- 11300853
- Availability:
- Ships Same Business Day
- Weight:
- 3.42 LBS
$1,079.00 -
On Sale
JT SPROCKETS Front Sprocket - Rubber Cushioned - 15 Tooth - Ducati JTF736.15RB
JT SPROCKETS
MSRP: $27.10Now: $24.12Was: $27.10A worn or damaged front sprocket compromises your entire drivetrain's efficiency, leading to power loss and accelerated wear on your chain and rear sprocket. The JT Sprockets 15-tooth front sprocket...12122339- SKU:
- 12122339
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
MSRP: $27.10Now: $24.12Was: $27.10 -
On Sale
JT SPROCKETS Rear Sprocket - 50 Tooth - Triumph JTR2015.50
JT SPROCKETS
MSRP: $39.83Now: $35.45Was: $39.83A worn or incorrectly sized rear sprocket directly impacts your Triumph's acceleration, top-end speed, and overall drivability. The JT Sprockets 50-tooth rear sprocket delivers the durability and...12102792- SKU:
- 12102792
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
MSRP: $39.83Now: $35.45Was: $39.83 -
On Sale
JT SPROCKETS Rear Sprocket - Aluminum - 56 Tooth - Black - CR85/CRF150 RB JTA215.56BLK
JT SPROCKETS
MSRP: $37.23Now: $33.13Was: $37.23A lightweight rear sprocket is critical for reducing unsprung mass and improving your CR85/CRF150 RB's acceleration and handling response. This JT Sprockets aluminum design delivers the durability of...12112880- SKU:
- 12112880
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
MSRP: $37.23Now: $33.13Was: $37.23 -
On Sale
RK 520 - Max Z - Drive Chain - Black & Gold -150 Links 520MAXZ-150-BG
RK
MSRP: $295.50Now: $265.95Was: $295.50If you're running high-horsepower performance on the street, your stock chain won't cut it. The RK 520 Max Z is engineered for extreme applications where standard chains fail, delivering the tensile...12231018- SKU:
- 12231018
- Availability:
- Ships Same Business Day
- Weight:
- 6.35 LBS
MSRP: $295.50Now: $265.95Was: $295.50
