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Dirt Bike Drivetrain

Dirt Bike Drivetrain

Dirt Bike Drivetrain

Dirt Bike Drivetrain Parts at JJ Motorsports

Enhance your dirt bike’s power transfer with premium drivetrain parts from JJ Motorsports. Find heavy-duty chains, front and rear sprockets, and clutch components designed to withstand intense riding demands. Combine these with other motocross gear and parts to maximize acceleration and ride efficiency on the track or trail.

Shop trusted brands like JT Chains for sealed chains and Renthal for ultralight sprockets. Explore related categories such as Dirt Bike Engine Parts for power upgrades or Dirt Bike Exhaust for complete tuning.

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
  • Renthal 12 Tooth Front Sprocket for KTM 50 SX 2009-2023 481--415-12P

    Renthal 12 Tooth Front Sprocket for KTM 50 SX 2009-2023 481--415-12P

    RENTHAL

    $47.95
    Enhance your KTM's performance with the RENTHAL 12-Tooth Front Sprocket, precision-engineered for durability and reduced weight. Crafted from case-hardened 655M13 nickel-chromium steel, it features self-cleaning grooves to minimize mud buildup and offers...
    12120827
    SKU:
    12120827
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    12
    TYPE:
    FRONT
    CHAIN SIZE:
    415
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • Renthal 14-Tooth Front Sprocket for KTM 85 SX 17/14 2010-2025 482--428-14GP

    Renthal 14-Tooth Front Sprocket for KTM 85 SX 17/14 2010-2025 482--428-14GP

    RENTHAL

    $37.95
    Enhance your KTM's performance with the RENTHAL 14-Tooth Front Sprocket, engineered for durability and efficiency. Constructed from case-hardened 655-M13 nickel chromium steel, it features self-cleaning mud grooves to reduce wear and an ultralight design...
    12120828
    SKU:
    12120828
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    CHAIN SIZE:
    428
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    TOOTH COUNT:
    14
    TYPE:
    FRONT
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal Front Sprocket 13T 520 Chain Suzuki RM-Z250 2013-2017 497-520-13GP

    Renthal Front Sprocket 13T 520 Chain Suzuki RM-Z250 2013-2017 497-520-13GP

    RENTHAL

    $37.95
    Enhance your Suzuki's performance with the RENTHAL 13-Tooth Front Sprocket, precision-engineered for durability and efficiency. Constructed from case-hardened 655M13 nickel-chromium steel, this sprocket offers exceptional strength and longevity. Its...
    12121298
    SKU:
    12121298
    Availability:
    Ships Same Business Day
    Weight:
    0.27 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    UNITS:
    EACH
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    TYPE:
    FRONT
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal Front Sprocket 13T 520 Chain Steel 501-520-13GP

    Renthal Front Sprocket 13T 520 Chain Steel 501-520-13GP

    RENTHAL

    $37.95
    Enhance your motorcycle's performance with the RENTHAL Front Sprocket 13-Tooth 501-520-13GP. Crafted from case-hardened and core-refined 655M13 nickel-chromium steel, this sprocket offers exceptional strength and durability. Its precision CNC-machined...
    12121438
    SKU:
    12121438
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    TYPE:
    FRONT
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal 13-Tooth Ultralight Front Sprocket 520 Chain 501U-520-13GP

    Renthal 13-Tooth Ultralight Front Sprocket 520 Chain 501U-520-13GP

    RENTHAL

    $47.95
    Enhance your motorcycle's performance with the RENTHAL Front Sprocket 13-Tooth 501U-520-13GP. This ultralight sprocket is crafted from case-hardened and core-refined 655M13 nickel-chromium steel, offering exceptional strength and durability. Its...
    12121440
    SKU:
    12121440
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    TYPE:
    FRONT
    TOOTH COUNT:
    13
    UNITS:
    EACH
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • Renthal 13-Tooth Front Sprocket 520 Chain Honda CRF450L CRF450RL CRF450X 508--520-13GP

    Renthal 13-Tooth Front Sprocket 520 Chain Honda CRF450L CRF450RL CRF450X 508--520-13GP

    RENTHAL

    $37.95
    Enhance your Honda motorcycle's performance with the RENTHAL 13-Tooth Counter-Shaft Sprocket. Crafted from case-hardened and core-refined 655M13 nickel-chromium steel, this sprocket offers exceptional strength and durability. Its ultralight design...
    12121574
    SKU:
    12121574
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    RIDING STYLE:
    STREET
    TYPE:
    FRONT
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal 520 R4 ATV Z-Ring Chain 100 Links Gold C302

    Renthal 520 R4 ATV Z-Ring Chain 100 Links Gold C302

    RENTHAL

    $163.36
    The RENTHAL 520 R4 ATV Z-Ring Chain is engineered for off-road enthusiasts seeking durability and performance. Designed to withstand the rigors of ATV, enduro, and desert applications, this chain offers enhanced longevity and strength for engines up to...
    12240023
    SKU:
    12240023
    Availability:
    Ships Same Business Day
    Weight:
    4.20 LBS
    SEAL TYPE:
    Z-RING
    CHAIN SIZE:
    520
    CHAIN TYPE:
    520 R4 ATV
    TENSILE STRENGTH METRIC:
    35 KN
    COLOR/FINISH:
    GOLD
    MASTER LINK CONNECTOR:
    CLIP
    MODEL:
    R4
    TENSILE STRENGTH IMPERIAL:
    7868 LB
    UNITS:
    EACH
    PRODUCT NAME:
    DRIVE CHAIN
    RIDING STYLE:
    ATV
    $163.36
    Qty in Cart: 0
    Quantity:
    Price:
    $163.36
    Subtotal:
  • Renthal 520 R4 ATV Z-Ring Chain 110 Links Gold C307

    Renthal 520 R4 ATV Z-Ring Chain 110 Links Gold C307

    RENTHAL

    $178.15
    The RENTHAL 520 R4 ATV Z-Ring Chain is engineered for high-performance off-road applications, offering exceptional durability and strength. Designed to withstand the rigors of ATV riding, this chain ensures reliable power transfer and extended service...
    12240024
    SKU:
    12240024
    Availability:
    Ships Same Business Day
    Weight:
    4.45 LBS
    COLOR/FINISH:
    GOLD
    MASTER LINK CONNECTOR:
    CLIP
    MODEL:
    R4
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    CHAIN SIZE:
    520
    CHAIN TYPE:
    520 R4 ATV
    TENSILE STRENGTH IMPERIAL:
    7868 LB
    TENSILE STRENGTH METRIC:
    35 KN
    SEAL TYPE:
    Z-RING
    PRODUCT NAME:
    DRIVE CHAIN
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $178.15
    Qty in Cart: 0
    Quantity:
    Price:
    $178.15
    Subtotal:
  • Renthal Front Sprocket 13T 520 Chain Kawasaki KLX450R KX450F KX450X 452--520-13P

    Renthal Front Sprocket 13T 520 Chain Kawasaki KLX450R KX450F KX450X 452--520-13P

    RENTHAL

    $37.95
    Enhance your Kawasaki's performance with the RENTHAL 13-Tooth Front Sprocket, engineered for durability and precision. Constructed from case-hardened and core-refined 655M13 nickel chromium steel, this sprocket offers exceptional strength and longevity...
    12120207
    SKU:
    12120207
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    RIDING STYLE:
    STREET
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal Front Sprocket 14-Tooth 520 Chain Kawasaki 452--520-14GP

    Renthal Front Sprocket 14-Tooth 520 Chain Kawasaki 452--520-14GP

    RENTHAL

    $37.95
    Enhance your Kawasaki motorcycle's performance with the RENTHAL 14-Tooth Front Sprocket. Crafted from high-quality, case-hardened 655M13 nickel-chromium steel, this sprocket offers exceptional durability and wear resistance. Its precision CNC-machined...
    12120208
    SKU:
    12120208
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    14
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    CHAIN SIZE:
    520
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Renthal 51 Tooth Black TwinRing Heavy-Duty Rear Sprocket 1120-520-51GPBK

    Renthal 51 Tooth Black TwinRing Heavy-Duty Rear Sprocket 1120-520-51GPBK

    RENTHAL

    $142.50
    The RENTHAL Rear Sprocket 51 Tooth Black 1120-520-51GPBK combines advanced materials and engineering to deliver exceptional performance and durability. Featuring a high-strength Ultralightâ„¢ 7075 T-6 aluminum inner ring and an electro-less nickel-coated...
    12100806
    SKU:
    12100806
    Availability:
    Ships Same Business Day
    Weight:
    1.75 LBS
    UNITS:
    EACH
    MATERIAL:
    7075-T6 ALUMINUM
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    51
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    CHAIN SIZE:
    520
    MOUNTING POSITION:
    REAR
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TYPE:
    DRIVE
    $142.50
    Qty in Cart: 0
    Quantity:
    Price:
    $142.50
    Subtotal:
  • Renthal Twinring Rear Sprocket 50-Tooth Green 112052050GPGN

    Renthal Twinring Rear Sprocket 50-Tooth Green 112052050GPGN

    RENTHAL

    $149.98
    The RENTHAL Twinringâ„¢ Rear Sprocket combines advanced materials and engineering to deliver exceptional performance and durability. Featuring a high-strength Ultralightâ„¢ 7075 T-6 aluminum inner ring and an electro-less nickel-coated steel outer ring, this...
    12101140
    SKU:
    12101140
    Availability:
    Ships Same Business Day
    Weight:
    1.70 LBS
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    50
    CHAIN SIZE:
    520
    MATERIAL:
    7075-T6 ALUMINUM
    MOUNTING POSITION:
    REAR
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    GREEN
    TYPE:
    DRIVE
    UNITS:
    EACH
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    $149.98
    Qty in Cart: 0
    Quantity:
    Price:
    $149.98
    Subtotal:
  • Renthal 520 R33 Chain Connecting Link Clip C404

    Renthal 520 R33 Chain Connecting Link Clip C404

    RENTHAL

    $9.25
    The RENTHAL 520 R33 Chain Replacement Connecting Link Clip C404 is a high-quality component designed to securely join the ends of your 520 R33 chain. Manufactured by RENTHAL, a leader in motorcycle accessories, this clip ensures a reliable and durable...
    12250467
    SKU:
    12250467
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    GOLD
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    CHAIN TYPE:
    520 R33
    TYPE:
    CLIP
    PRODUCT NAME:
    CONNECTING LINK
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $9.25
    Qty in Cart: 0
    Quantity:
    Price:
    $9.25
    Subtotal:
  • Renthal 520 R33 Gold Drive Chain 120 Links C416

    Renthal 520 R33 Gold Drive Chain 120 Links C416

    RENTHAL

    $181.55
    The RENTHAL 520 R33 Chain 120 Links C416 is engineered to enhance performance and durability for off-road enthusiasts. This innovative chain design replaces traditional O-rings with Renthal's Self-Regulating Seals (SRS) system, significantly extending...
    12220453
    SKU:
    12220453
    Availability:
    Ships Same Business Day
    Weight:
    4.45 LBS
    CHAIN TYPE:
    520 R33
    MASTER LINK CONNECTOR:
    HOLLOW
    MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
    450 CC
    RIDING STYLE:
    UTV
    SEAL TYPE:
    SELF REGULATING SEAL (SRS)
    CHAIN SIZE:
    520
    MODEL:
    R3
    RIDING STYLE:
    ATV
    TENSILE STRENGTH IMPERIAL:
    7420 LB
    TENSILE STRENGTH METRIC:
    33 KN
    UNITS:
    EACH
    COLOR/FINISH:
    GOLD
    MASTER LINK CONNECTOR:
    CLIP
    PRODUCT NAME:
    DRIVE CHAIN
    RIDING STYLE:
    OFF-ROAD
    $181.55
    Qty in Cart: 0
    Quantity:
    Price:
    $181.55
    Subtotal:
  • Hinson Racing Billetproof Clutch Kit 2021-2023 Kawasaki KX250 HC557-2101

    Hinson Racing Billetproof Clutch Kit 2021-2023 Kawasaki KX250 HC557-2101

    HINSON RACING

    $1,109.99
    Upgrade your ride with the Billetproof Clutch Kit, designed for optimal performance and durability. This kit combines precision engineering with high-quality materials sourced from the U.S.A. and Japan, ensuring your motorcycle delivers smooth and...
    11300634
    SKU:
    11300634
    Availability:
    Ships Same Business Day
    Weight:
    5.55 LBS
    $1,109.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,109.99
    Subtotal:
  • HOT RODS Transmission Bearing Kit TBK0061

    HOT RODS Transmission Bearing Kit TBK0061

    HOT RODS

    $84.95
    Transmission Bearing Kit A must have for any new transmission or engine case installation or repair, Includes trusted Hot Rods* bearings for the primary and secondary shafts of the transmission, along with the special needle bearing for the shift drum,...
    11060140
    SKU:
    11060140
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $84.95
    Subtotal:
  • MOOSE OFFROAD Clutch Kit - CRF 450 M90-262

    MOOSE OFFROAD Clutch Kit - CRF 450 M90-262

    MOOSE OFFROAD

    $191.95
    Clutch Kit - CRF 450 Designed to outperform OEM or aftermarket clutches, A one-stop shop for all of your clutch components, Moose racing complete clutch kits include friction plates, steel plates, clutch springs, and a clutch cover gasket
    11313626
    SKU:
    11313626
    Availability:
    Ships Same Business Day
    Weight:
    2.20 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $191.95
    Subtotal:
  • JT SPROCKETS Steel Rear Sprocket - Graphite - 50 Tooth JTX251.50GR

    JT SPROCKETS Steel Rear Sprocket - Graphite - 50 Tooth JTX251.50GR

    JT SPROCKETS

    $51.80
    Steel Rear Sprocket - Graphite - 50 Tooth - JTX251.50GR Engineered for optimal strength while maintaining minimal weight. Crafted using advanced technology and high-quality materials. Meets or exceeds the highest industry quality standards. ...
    12102603
    SKU:
    12102603
    Availability:
    Ships Same Business Day
    Weight:
    1.90 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $51.80
    Subtotal:
  • JT SPROCKETS Rear Sprocket - Blue - 51 Tooth - Yamaha JTA251.51BLU

    JT SPROCKETS Rear Sprocket - Blue - 51 Tooth - Yamaha JTA251.51BLU

    JT SPROCKETS

    $41.43
    Rear Sprocket - Blue - 51 Tooth - Yamaha Computer-designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every sprocket meets...
    12112580
    SKU:
    12112580
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $41.43
    Subtotal:
  • JT SPROCKETS Rear Sprocket - Black - 49 Tooth - Yamaha JTA251.49BLK

    JT SPROCKETS Rear Sprocket - Black - 49 Tooth - Yamaha JTA251.49BLK

    JT SPROCKETS

    $38.88
    Rear Sprocket - Black - 49 Tooth - Yamaha Computer-designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every sprocket meets...
    12112648
    SKU:
    12112648
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $38.88
    Qty in Cart: 0
    Quantity:
    Price:
    $38.88
    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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