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Street Bike Drivetrain

Street Bike Drivetrain

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

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 Rear Honda Sprocket - 530 - 37 Tooth 41200-426-00037

    PARTS UNLIMITED Rear Honda Sprocket - 530 - 37 Tooth 41200-426-00037

    PARTS UNLIMITED

    $44.47
    A worn or damaged sprocket directly impacts your chain drive efficiency, acceleration response, and overall drivetrain longevity. This PARTS UNLIMITED rear sprocket is manufactured to OEM specifications using hardened steel, ensuring your Honda maintains...
    K223596
    SKU:
    K223596
    Availability:
    Ships Same Business Day
    Weight:
    2.80 LBS
    COLOR/FINISH:
    NATURAL
    MOUNTING POSITION:
    REAR
    CHAIN SIZE:
    530
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    37
    UNITS:
    EACH
    MATERIAL:
    STEEL
    TYPE:
    DRIVE
    $44.47
    Qty in Cart: 0
    Quantity:
    Price:
    $44.47
    Subtotal:
  • PARTS UNLIMITED Rear Yamaha Sprocket - 530 - 45 Tooth 4G0-25445-20

    PARTS UNLIMITED Rear Yamaha Sprocket - 530 - 45 Tooth 4G0-25445-20

    PARTS UNLIMITED

    $44.47
    A worn or damaged rear sprocket directly impacts your power delivery, throttle response, and chain longevity. This PARTS UNLIMITED Yamaha sprocket is manufactured to OEM specifications, ensuring perfect engagement with your chain and maintaining the...
    K223602A
    SKU:
    K223602A
    Availability:
    Ships Same Business Day
    Weight:
    3.50 LBS
    COLOR/FINISH:
    BLACK
    MATERIAL:
    STEEL
    TYPE:
    DRIVE
    CHAIN SIZE:
    530
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    45
    UNITS:
    EACH
    MOUNTING POSITION:
    REAR
    $44.47
    Qty in Cart: 0
    Quantity:
    Price:
    $44.47
    Subtotal:
  • PARTS UNLIMITED Rear Suzuki Sprocket - 520 - 39 Tooth CT474-39S

    PARTS UNLIMITED Rear Suzuki Sprocket - 520 - 39 Tooth CT474-39S

    PARTS UNLIMITED

    $30.55
    A worn or damaged rear sprocket compromises acceleration, chain longevity, and overall drivetrain efficiency—especially critical if you're pushing your Suzuki to its limits. This OEM-spec replacement delivers the precision fit and durability you need to...
    K223801Z
    SKU:
    K223801Z
    Availability:
    Ships Same Business Day
    Weight:
    1.65 LBS
    UNITS:
    EACH
    CHAIN SIZE:
    520
    MOUNTING POSITION:
    REAR
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    STEEL
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    39
    Qty in Cart: 0
    Quantity:
    Price:
    $30.55
    Subtotal:
  • PARTS UNLIMITED Rear Suzuki Sprocket - 530 - 50 Tooth 64511-47600

    PARTS UNLIMITED Rear Suzuki Sprocket - 530 - 50 Tooth 64511-47600

    PARTS UNLIMITED

    $46.87
    A worn or damaged rear sprocket directly impacts your bike's acceleration, top-end performance, and overall drivetrain efficiency. This OEM-spec replacement restores the precise tooth geometry and engagement that keeps your power delivery consistent and...
    K223855
    SKU:
    K223855
    Availability:
    Ships Same Business Day
    Weight:
    4.06 LBS
    COLOR/FINISH:
    STEEL
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    50
    MATERIAL:
    STEEL
    COLOR/FINISH:
    NATURAL
    MOUNTING POSITION:
    REAR
    TYPE:
    DRIVE
    CHAIN SIZE:
    530
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $46.87
    Subtotal:
  • PARTS UNLIMITED Rear Suzuki Sprocket - 530 - 45 Tooth 64511-47620

    PARTS UNLIMITED Rear Suzuki Sprocket - 530 - 45 Tooth 64511-47620

    PARTS UNLIMITED

    $46.59
    A worn or damaged sprocket compromises your entire drivetrain—reducing power transfer efficiency, creating chain wear, and potentially causing catastrophic failure mid-race or ride. The PARTS UNLIMITED Rear Suzuki Sprocket delivers OEM-specification...
    K223899
    SKU:
    K223899
    Availability:
    Ships Same Business Day
    Weight:
    3.44 LBS
    COLOR/FINISH:
    NATURAL
    MOUNTING POSITION:
    REAR
    RIDING STYLE:
    STREET
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    45
    CHAIN SIZE:
    530
    TYPE:
    DRIVE
    UNITS:
    EACH
    $46.59
    Qty in Cart: 0
    Quantity:
    Price:
    $46.59
    Subtotal:
  • PARTS UNLIMITED Rear Honda Sprocket - 530 - 43 Tooth 41201-MV9-000

    PARTS UNLIMITED Rear Honda Sprocket - 530 - 43 Tooth 41201-MV9-000

    PARTS UNLIMITED

    $30.69
    A worn or damaged rear sprocket directly compromises your power transfer and throttle response, forcing your engine to work harder while sacrificing efficiency. This PARTS UNLIMITED 43-tooth rear sprocket is manufactured to OEM specifications using...
    K223915
    SKU:
    K223915
    Availability:
    Ships Same Business Day
    Weight:
    2.25 LBS
    CHAIN SIZE:
    530
    TYPE:
    DRIVE
    UNITS:
    EACH
    MOUNTING POSITION:
    REAR
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    43
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SPROCKET
    COLOR/FINISH:
    NATURAL
    $30.69
    Qty in Cart: 0
    Quantity:
    Price:
    $30.69
    Subtotal:
  • PARTS UNLIMITED Rear Yamaha Sprocket - 530 - 44 Tooth 5EA-17460-0044

    PARTS UNLIMITED Rear Yamaha Sprocket - 530 - 44 Tooth 5EA-17460-0044

    PARTS UNLIMITED

    $12.19
    A worn or damaged rear sprocket directly impacts your chain efficiency, acceleration response, and overall drivetrain reliability. This OEM-spec replacement sprocket ensures you maintain the precise gear ratio your Yamaha was engineered for, restoring...
    12100318
    SKU:
    12100318
    Availability:
    Ships Same Business Day
    Weight:
    2.10 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    SPROCKET
    COLOR/FINISH:
    BLACK
    MATERIAL:
    STEEL
    TOOTH COUNT:
    44
    CHAIN SIZE:
    530
    MOUNTING POSITION:
    REAR
    RIDING STYLE:
    STREET
    TYPE:
    DRIVE
    Qty in Cart: 0
    Quantity:
    Price:
    $12.19
    Subtotal:
  • PARTS UNLIMITED Rear Sprocket - 43-Tooth 26-12E4-43

    PARTS UNLIMITED Rear Sprocket - 43-Tooth 26-12E4-43

    PARTS UNLIMITED

    $34.93
    A worn or damaged sprocket directly compromises your power transfer and acceleration—forcing your engine to work harder while reducing efficiency. The PARTS UNLIMITED 43-Tooth Rear Sprocket restores OEM-spec performance with precision-machined teeth and...
    12102145
    SKU:
    12102145
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SPROCKET
    UNITS:
    EACH
    TYPE:
    DRIVE
    CHAIN SIZE:
    530
    COLOR/FINISH:
    SILVER
    TOOTH COUNT:
    43
    MOUNTING POSITION:
    REAR
    RIDING STYLE:
    STREET
    $34.93
    Qty in Cart: 0
    Quantity:
    Price:
    $34.93
    Subtotal:
  • PARTS UNLIMITED Rear Sprocket - 46-Tooth 26-2225-46

    PARTS UNLIMITED Rear Sprocket - 46-Tooth 26-2225-46

    PARTS UNLIMITED

    $27.51
    A worn or damaged sprocket directly compromises your chain engagement and acceleration response—whether you're on the track or the street. The PARTS UNLIMITED 46-Tooth Rear Sprocket restores OEM-spec performance with precision-machined teeth and splines...
    12102146
    SKU:
    12102146
    Availability:
    Ships Same Business Day
    Weight:
    2.35 LBS
    CHAIN SIZE:
    520
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    46
    COLOR/FINISH:
    SILVER
    UNITS:
    EACH
    MATERIAL:
    STEEL
    TYPE:
    DRIVE
    $27.51
    Qty in Cart: 0
    Quantity:
    Price:
    $27.51
    Subtotal:
  • PARTS UNLIMITED Rear Sprocket - 42-Tooth 26-3277-42

    PARTS UNLIMITED Rear Sprocket - 42-Tooth 26-3277-42

    PARTS UNLIMITED

    $31.75
    A worn or damaged rear sprocket directly impacts your power delivery, acceleration, and overall drivetrain efficiency. The PARTS UNLIMITED 42-Tooth Rear Sprocket restores OEM-spec performance with precision-machined teeth and splines that engage cleanly...
    12102149
    SKU:
    12102149
    Availability:
    Ships Same Business Day
    Weight:
    2.05 LBS
    MOUNTING POSITION:
    REAR
    RIDING STYLE:
    STREET
    TYPE:
    DRIVE
    CHAIN SIZE:
    525
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    42
    COLOR/FINISH:
    SILVER
    UNITS:
    EACH
    $31.75
    Qty in Cart: 0
    Quantity:
    Price:
    $31.75
    Subtotal:
  • PARTS UNLIMITED Rear Sprocket - 48-Tooth 26-3255-48

    PARTS UNLIMITED Rear Sprocket - 48-Tooth 26-3255-48

    PARTS UNLIMITED

    $37.05
    A worn or damaged rear sprocket directly impacts your power delivery, acceleration response, and overall drivetrain efficiency. The PARTS UNLIMITED 48-tooth rear sprocket restores OEM-spec performance with precision-machined teeth and splines that mesh...
    12102150
    SKU:
    12102150
    Availability:
    Ships Same Business Day
    Weight:
    3.45 LBS
    COLOR/FINISH:
    NATURAL
    MATERIAL:
    STEEL
    TOOTH COUNT:
    48
    UNITS:
    EACH
    CHAIN SIZE:
    530
    TYPE:
    DRIVE
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    STREET
    $37.05
    Qty in Cart: 0
    Quantity:
    Price:
    $37.05
    Subtotal:
  • PARTS UNLIMITED Rear Sprocket - 47-Tooth 26-4255-47

    PARTS UNLIMITED Rear Sprocket - 47-Tooth 26-4255-47

    PARTS UNLIMITED

    $43.41
    A worn or damaged rear sprocket kills your acceleration and throws off your entire drivetrain timing. This 47-tooth replacement restores your bike's original performance geometry and ensures crisp power delivery without slippage or chain skip. Built to...
    12102152
    SKU:
    12102152
    Availability:
    Ships Same Business Day
    Weight:
    2.45 LBS
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SPROCKET
    UNITS:
    EACH
    TYPE:
    DRIVE
    CHAIN SIZE:
    530
    COLOR/FINISH:
    BLACK
    MOUNTING POSITION:
    REAR
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    47
    $43.41
    Qty in Cart: 0
    Quantity:
    Price:
    $43.41
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 26-1184-16

    PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 26-1184-16

    PARTS UNLIMITED

    $19.03
    A worn or damaged countershaft sprocket directly compromises your power delivery and creates dangerous drivetrain slack—this OEM-spec replacement restores precise engagement and eliminates costly secondary damage. The PARTS UNLIMITED 16-tooth sprocket is...
    12121412
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $19.03
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 26-2137-16

    PARTS UNLIMITED Countershaft Sprocket - 16-Tooth 26-2137-16

    PARTS UNLIMITED

    $25.39
    A worn or damaged countershaft sprocket directly impacts your engine's power delivery and overall drivetrain efficiency. This OEM-spec replacement ensures you maintain factory-correct gear ratios and precise engagement with your primary chain,...
    12121414
    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
    $25.39
    Qty in Cart: 0
    Quantity:
    Price:
    $25.39
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 26-2136-15

    PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 26-2136-15

    PARTS UNLIMITED

    $11.61
    A worn or damaged countershaft sprocket will kill your bike's acceleration and throw off your entire drivetrain geometry. This OEM-spec replacement restores factory performance and ensures reliable power delivery without compromising shift quality or...
    12121415
    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
    $11.61
    Qty in Cart: 0
    Quantity:
    Price:
    $11.61
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 17-Tooth 26-2136-17

    PARTS UNLIMITED Countershaft Sprocket - 17-Tooth 26-2136-17

    PARTS UNLIMITED

    $12.67
    A worn or damaged countershaft sprocket directly impacts engine response, power delivery, and drivetrain reliability. The PARTS UNLIMITED 17-Tooth Countershaft Sprocket restores OEM-spec performance and engagement, ensuring precise gear meshing and...
    12121416
    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
    $12.67
    Qty in Cart: 0
    Quantity:
    Price:
    $12.67
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 14 Tooth 26-3162-14

    PARTS UNLIMITED Countershaft Sprocket - 14 Tooth 26-3162-14

    PARTS UNLIMITED

    $14.79
    A worn or damaged countershaft sprocket directly impacts power delivery and throttle response—making replacement critical for consistent acceleration and reliable shifting. This PARTS UNLIMITED 14-tooth sprocket restores factory-spec geometry and...
    12121417
    SKU:
    12121417
    Availability:
    Ships Same Business Day
    Weight:
    0.44 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
    $14.79
    Qty in Cart: 0
    Quantity:
    Price:
    $14.79
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 26-3162-15

    PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 26-3162-15

    PARTS UNLIMITED

    $14.79
    A worn or damaged countershaft sprocket will compromise your entire drivetrain's efficiency and acceleration response. This PARTS UNLIMITED 15-tooth replacement restores OEM-spec performance and reliability without the guesswork of aftermarket tolerances...
    12121418
    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
    $14.79
    Qty in Cart: 0
    Quantity:
    Price:
    $14.79
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 16-Tooth D26-3169-16

    PARTS UNLIMITED Countershaft Sprocket - 16-Tooth D26-3169-16

    PARTS UNLIMITED

    $15.85
    A worn or damaged countershaft sprocket directly impacts your power delivery and chain longevity. This OEM-spec replacement ensures precise engagement with your chain, eliminating slack and vibration that compromise acceleration and handling. Trust a...
    12121419
    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
    $15.85
    Qty in Cart: 0
    Quantity:
    Price:
    $15.85
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 17-Tooth D26-3169-17

    PARTS UNLIMITED Countershaft Sprocket - 17-Tooth D26-3169-17

    PARTS UNLIMITED

    $16.91
    A worn or damaged countershaft sprocket directly impacts your powertrain efficiency and acceleration response. This 17-tooth replacement restores precise engagement with your chain while eliminating the noise and slippage that comes with wear. Built to...
    12121420
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $16.91
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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