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 - 16-Tooth 26-1184-16
PARTS UNLIMITED
$18.31All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12121412- SKU:
- 12121412
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 16
- TYPE:
- COUNTERSHAFT
- CHAIN SIZE:
- 525
- UNITS:
- EACH
$18.31 -
PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 26-2137-16
PARTS UNLIMITED
$24.43All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12121414- SKU:
- 12121414
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 16
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
$24.43 -
PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 26-2136-15
PARTS UNLIMITED
$11.17All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12121415- SKU:
- 12121415
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 15
- CHAIN SIZE:
- 525
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
$11.17 -
PARTS UNLIMITED Countershaft Sprocket - 17-Tooth 26-2136-17
PARTS UNLIMITED
$12.19All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12121416- SKU:
- 12121416
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- CHAIN SIZE:
- 525
- UNITS:
- EACH
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 17
- TYPE:
- COUNTERSHAFT
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
$12.19 -
PARTS UNLIMITED Countershaft Sprocket - 14 Tooth 26-3162-14
PARTS UNLIMITED
$14.23All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12121417- SKU:
- 12121417
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
- TOOTH COUNT:
- 14
- CHAIN SIZE:
- 525
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
$14.23 -
PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 26-3162-15
PARTS UNLIMITED
$14.23All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12121418- SKU:
- 12121418
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- CHAIN SIZE:
- 525
- COLOR/FINISH:
- RAW
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- UNITS:
- EACH
- TOOTH COUNT:
- 15
$14.23 -
PARTS UNLIMITED Countershaft Sprocket - 16-Tooth D26-3169-16
PARTS UNLIMITED
$15.25All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12121419- SKU:
- 12121419
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- COLOR/FINISH:
- RAW
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 16
- TYPE:
- COUNTERSHAFT
- RIDING STYLE:
- STREET
- CHAIN SIZE:
- 530
- MATERIAL:
- STEEL
- UNITS:
- EACH
$15.25 -
PARTS UNLIMITED Countershaft Sprocket - 17-Tooth D26-3169-17
PARTS UNLIMITED
$16.27All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12121420- SKU:
- 12121420
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TOOTH COUNT:
- 17
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
$16.27 -
PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 5SL-17460-0015
PARTS UNLIMITED
$19.95All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12120348- SKU:
- 12120348
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TOOTH COUNT:
- 15
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 532
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
$19.95 -
PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 4XV-17460-0016
PARTS UNLIMITED
$18.31All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12120351- SKU:
- 12120351
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- COLOR/FINISH:
- RAW
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- UNITS:
- EACH
- TOOTH COUNT:
- 16
$18.31 -
PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 4XV-17460-52015
PARTS UNLIMITED
$15.25All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12120352- SKU:
- 12120352
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- COLOR/FINISH:
- RAW
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 15
- MATERIAL:
- STEEL
- UNITS:
- EACH
$15.25Qty in Cart: 0Quantity:Price:$15.25Subtotal: -
On Sale
PARTS UNLIMITED Countershaft Sprocket - 17-Tooth 4XV-17460-52017
PARTS UNLIMITED
MSRP: $22.95Now: $15.00Was: $22.95All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12120354- SKU:
- 12120354
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RAW
- TOOTH COUNT:
- 17
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
MSRP: $22.95Now: $15.00Was: $22.95 -
PARTS UNLIMITED Rear Sprocket - 47-Tooth 26-3281-47
PARTS UNLIMITED
$32.59All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12102148- SKU:
- 12102148
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 47
- COLOR/FINISH:
- SILVER
- UNITS:
- EACH
- CHAIN SIZE:
- 525
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$32.59 -
PARTS UNLIMITED Rear Honda Sprocket - 44 Tooth 41200-MJ6-00044
PARTS UNLIMITED
$29.53All our front and rear sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit, Packaged individually in poly bags with...12100040- SKU:
- 12100040
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- CHAIN SIZE:
- 525
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 44
$29.53Qty in Cart: 0Quantity:Price:$29.53Subtotal: -
PARTS UNLIMITED Rear Yamaha Sprocket - 45 Tooth 5VL-25445-20-45
PARTS UNLIMITED
$37.69All our front and rear sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit, Packaged individually in poly bags with...12100061- SKU:
- 12100061
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
$37.69 -
PARTS UNLIMITED Rear Honda Sprocket - 525 - 41 Tooth 41201-MBA-00041
PARTS UNLIMITED
$32.59All our front and rear sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit, Packaged individually in poly bags with...12100278- SKU:
- 12100278
- Availability:
- Ships Same Business Day
- Weight:
- 1.66 LBS
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 41
- CHAIN SIZE:
- 525
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$32.59 -
PARTS UNLIMITED Rear Kawasaki Sprocket - 520 - 48 Tooth 42041-136948
PARTS UNLIMITED
$33.61All our front and rear sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit, Packaged individually in poly bags with...12100309- SKU:
- 12100309
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 48
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
$33.61 -
VORTEX Steel Rear Sprocket - 44-Tooth - Honda 252S-44
VORTEX
$63.95Steel rear sprockets are made from carbon steel and electroplated with a satin black finish that resists corrosion; teeth are hardened so sprocket will hold up to many miles, without affecting strength, Steel rear sprockets are also cupped down from the...12100797- SKU:
- 12100797
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- COLOR/FINISH:
- BLACK
- MODEL:
- STEEL
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 525
- MATERIAL:
- CARBON STEEL
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 44
$63.95Qty in Cart: 0Quantity:Price:$63.95Subtotal: -
VORTEX Steel Rear Sprocket - 45-Tooth - Honda 252S-45
VORTEX
$63.95Steel rear sprockets are made from carbon steel and electroplated with a satin black finish that resists corrosion; teeth are hardened so sprocket will hold up to many miles, without affecting strength, Steel rear sprockets are also cupped down from the...12100798- SKU:
- 12100798
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- CHAIN SIZE:
- 525
- COLOR/FINISH:
- BLACK
- MODEL:
- STEEL
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- MATERIAL:
- CARBON STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
$63.95Qty in Cart: 0Quantity:Price:$63.95Subtotal: -
VORTEX Steel Rear Sprocket - 44-Tooth - Kawasaki 435S-48
VORTEX
$56.95Steel rear sprockets are made from carbon steel and electroplated with a satin black finish that resists corrosion; teeth are hardened so sprocket will hold up to many miles, without affecting strength, Steel rear sprockets are also cupped down from the...12100799- SKU:
- 12100799
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- COLOR/FINISH:
- BLACK
- MODEL:
- STEEL
- TOOTH COUNT:
- 48
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- MATERIAL:
- CARBON STEEL
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$56.95
