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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
  • REGINA 520 RX3 Series - Clip Connecting Link 26/135RX3

    REGINA 520 RX3 Series - Clip Connecting Link 26/135RX3

    REGINA

    $6.95
    A worn or damaged chain connecting link compromises power delivery and creates safety risks on the track or street. The REGINA 520 RX3 Series Clip Connecting Link is engineered for reliable, consistent performance in high-demand applications where...
    12250211
    SKU:
    12250211
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TYPE:
    CLIP
    CHAIN TYPE:
    520 RX3
    COLOR/FINISH:
    GOLD
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CONNECTING LINK
    UNITS:
    EACH
    $6.95
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • RK 520 EXW - Clip Connecting Link 520EXW C/L

    RK 520 EXW - Clip Connecting Link 520EXW C/L

    RK

    $13.02
    A worn or damaged connecting link compromises your chain's structural integrity and can lead to catastrophic failure at critical moments. The RK 520 EXW Clip Connecting Link delivers the reliability you need for consistent power delivery, whether you're...
    R18520EXW
    SKU:
    R18520EXW
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    SILVER
    MODEL:
    EXW SERIES
    RIDING STYLE:
    OFF-ROAD
    CHAIN TYPE:
    520 EXW
    PRODUCT NAME:
    CONNECTING LINK
    UNITS:
    EACH
    $13.02
    Qty in Cart: 0
    Quantity:
    Price:
    $13.02
    Subtotal:
  • RK 520 EXW - Clip Connecting Link - Gold GB520EXW C/L

    RK 520 EXW - Clip Connecting Link - Gold GB520EXW C/L

    RK

    $13.02
    A quality connecting link is critical to chain reliability—it's the weak point where most chains fail under load. The RK 520 EXW Gold Clip Connecting Link delivers the same precision engineering as the rest of your chain, ensuring consistent power...
    R18GB520EXW
    SKU:
    R18GB520EXW
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    COLOR/FINISH:
    GOLD
    MODEL:
    EXW SERIES
    RIDING STYLE:
    OFF-ROAD
    CHAIN TYPE:
    520 EXW
    PRODUCT NAME:
    CONNECTING LINK
    TYPE:
    CLIP
    UNITS:
    EACH
    $13.02
    Qty in Cart: 0
    Quantity:
    Price:
    $13.02
    Subtotal:
  • RK 520 EXW - Rivet Connecting Link - Gold GB520EXW R/L

    RK 520 EXW - Rivet Connecting Link - Gold GB520EXW R/L

    RK

    $13.02
    A quality connecting link is critical to chain longevity and drivetrain reliability—this rivet-style link distributes load evenly across the chain, reducing stress concentration that can lead to premature wear or failure. The RK 520 EXW delivers...
    R18GB521EXW
    SKU:
    R18GB521EXW
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    COLOR/FINISH:
    GOLD
    TYPE:
    RIVET
    MODEL:
    EXW SERIES
    RIDING STYLE:
    OFF-ROAD
    CHAIN TYPE:
    520 EXW
    PRODUCT NAME:
    CONNECTING LINK
    UNITS:
    EACH
    $13.02
    Qty in Cart: 0
    Quantity:
    Price:
    $13.02
    Subtotal:
  • RK GB 520 EXW - Chain - 120 Links GB520EXW-120

    RK GB 520 EXW - Chain - 120 Links GB520EXW-120

    RK

    $192.25
    If you're pushing your ATV to its limits in high-stress racing environments, your drivetrain needs a chain engineered to handle extreme heat, shock loads, and sustained high RPMs without failure. The RK GB 520 EXW delivers the tensile strength and...
    GB520EXW120
    SKU:
    GB520EXW120
    Availability:
    Ships Same Business Day
    Weight:
    4.60 LBS
    MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
    750 CC
    SEAL TYPE:
    XW-RING
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    CHAIN SIZE:
    520
    CHAIN TYPE:
    520 EXW
    PRODUCT NAME:
    DRIVE CHAIN
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TENSILE STRENGTH IMPERIAL:
    7700 LB
    TENSILE STRENGTH METRIC:
    34.3 KN
    COLOR/FINISH:
    GOLD
    MASTER LINK CONNECTOR:
    CLIP
    MODEL:
    EXW SERIES
    RIDING STYLE:
    OFF-ROAD
    WEIGHT:
    1,68 KG/100 LINKS
    $192.25
    Qty in Cart: 0
    Quantity:
    Price:
    $192.25
    Subtotal:
  • T.M. DESIGNWORKS Chain Guide - KTM - Blue KHCG-SX6-BL2

    T.M. DESIGNWORKS Chain Guide - KTM - Blue KHCG-SX6-BL2

    T.M. DESIGNWORKS

    $106.95
    Chain slap and derailment cost you races and repair bills. The T.M. Designworks Chain Guide uses an exclusive RMS (Return Memory System) plastic formula that snaps back to center after impacts, keeping your chain precisely positioned under the most...
    12311222
    SKU:
    12311222
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    COLOR/FINISH:
    BLUE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    PRODUCT NAME:
    CHAIN GUIDE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $106.95
    Qty in Cart: 0
    Quantity:
    Price:
    $106.95
    Subtotal:
  • T.M. DESIGNWORKS Chain Guide - Yamaha - Black YZCG-SX5-BK

    T.M. DESIGNWORKS Chain Guide - Yamaha - Black YZCG-SX5-BK

    T.M. DESIGNWORKS

    $99.95
    A chain guide that actually stays centered under load—T.M. DESIGNWORKS' exclusive RMS plastic formula self-corrects on impact, reducing derailment risk and extending chain life. UV-stabilized construction resists fade and maintains rigidity in high-heat...
    12311223
    SKU:
    12311223
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    PRODUCT NAME:
    CHAIN GUIDE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • T.M. DESIGNWORKS Chain Guide - Yamaha - Blue YZCG-SX5-BU

    T.M. DESIGNWORKS Chain Guide - Yamaha - Blue YZCG-SX5-BU

    T.M. DESIGNWORKS

    $99.95
    A quality chain guide is essential for maintaining precise power delivery and protecting your drivetrain from lateral chain movement during aggressive acceleration and cornering. T.M. DESIGNWORKS engineered this guide with proprietary materials and...
    12311224
    SKU:
    12311224
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    COLOR/FINISH:
    BLUE
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CHAIN GUIDE
    UNITS:
    EACH
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • T.M. DESIGNWORKS Wear Block & Hardware KTM-FEC-WP

    T.M. DESIGNWORKS Wear Block & Hardware KTM-FEC-WP

    T.M. DESIGNWORKS

    $35.95
    Stock wear pads deteriorate rapidly under aggressive riding conditions, leaving your frame vulnerable to costly damage. The T.M. DESIGNWORKS Wear Block delivers superior durability with oil-impregnated construction that resists mud, sand, and UV...
    12311226
    SKU:
    12311226
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    WEAR BLOCK
    $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • T.M. DESIGNWORKS Wear Block & Hardware RCG-KWP-BK

    T.M. DESIGNWORKS Wear Block & Hardware RCG-KWP-BK

    T.M. DESIGNWORKS

    $30.95
    If you're running your kart in muddy or sandy conditions, stock wear pads wear down fast—leaving you with reduced protection and frequent replacements. T.M. DESIGNWORKS Wear Block & Hardware delivers superior durability and longevity, holding up...
    12311227
    SKU:
    12311227
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    WEAR BLOCK
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    $30.95
    Subtotal:
  • T.M. DESIGNWORKS Wear Block & Hardware RCG-KX3-WP

    T.M. DESIGNWORKS Wear Block & Hardware RCG-KX3-WP

    T.M. DESIGNWORKS

    $30.95
    If you're running your kart hard in dusty or sandy track conditions, the stock wear pad won't cut it—mud and abrasive particles will accelerate wear and compromise your setup. T.M. DESIGNWORKS engineered this replacement wear block to handle serious...
    12311228
    SKU:
    12311228
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    WEAR BLOCK
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    $30.95
    Subtotal:
  • T.M. DESIGNWORKS Wear Block & Hardware RCG-JBC-WP

    T.M. DESIGNWORKS Wear Block & Hardware RCG-JBC-WP

    T.M. DESIGNWORKS

    $35.95
    If you're running your bike hard in high-wear environments, the OEM wear pad won't cut it. T.M. DESIGNWORKS engineered this replacement to outlast stock components in mud, sand, and abrasive conditions—keeping your chassis protected lap after lap. The...
    12311229
    SKU:
    12311229
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    WEAR BLOCK
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • T.M. DESIGNWORKS Wear Block & Hardware KHCG-SX6-WP

    T.M. DESIGNWORKS Wear Block & Hardware KHCG-SX6-WP

    T.M. DESIGNWORKS

    $35.95
    If you're running a bike that sees serious track or trail time, wear pads degrade faster than you'd expect—especially in abrasive conditions. The T.M. DESIGNWORKS Wear Block delivers the durability and longevity you need to keep your bike performing at...
    12311232
    SKU:
    12311232
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    WEAR BLOCK
    UNITS:
    EACH
    $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • T.M. DESIGNWORKS Chain Guide - Honda - Black RCG-150-BK

    T.M. DESIGNWORKS Chain Guide - Honda - Black RCG-150-BK

    T.M. DESIGNWORKS

    $92.95
    A worn or damaged chain guide doesn't just compromise your sprocket alignment—it accelerates wear across your entire drivetrain and risks mid-ride failure. The T.M. DESIGNWORKS Chain Guide delivers precision centering with self-correcting geometry that...
    12311233
    SKU:
    12311233
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    CHAIN GUIDE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $92.95
    Qty in Cart: 0
    Quantity:
    Price:
    $92.95
    Subtotal:
  • T.M. DESIGNWORKS Chain Guide - Honda - Red RCG-150-RD

    T.M. DESIGNWORKS Chain Guide - Honda - Red RCG-150-RD

    T.M. DESIGNWORKS

    $92.95
    A quality chain guide protects your sprocket alignment and drivetrain from premature wear, especially during aggressive riding or racing conditions. The T.M. DESIGNWORKS Chain Guide combines proven durability with self-centering technology that keeps...
    12311234
    SKU:
    12311234
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    PRODUCT NAME:
    CHAIN GUIDE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    COLOR/FINISH:
    RED
    $92.95
    Qty in Cart: 0
    Quantity:
    Price:
    $92.95
    Subtotal:
  • MOOSE RACING 520 RXP - Pro-MX Chain - Gold - 96 Links M574-00-96

    MOOSE RACING 520 RXP - Pro-MX Chain - Gold - 96 Links M574-00-96

    MOOSE RACING

    $76.95
    If you're running a competitive motocross program or pushing your 125-350cc machine to its limits, chain reliability directly impacts your lap times and race day results. The MOOSE RACING 520 RXP delivers the tensile strength and corrosion resistance you...
    M5740096
    SKU:
    M5740096
    Availability:
    Ships Same Business Day
    Weight:
    3.40 LBS
    CHAIN SIZE:
    520
    MAXIMUM ENGINE DISPLACEMENT (STREET):
    350 CC
    MODEL:
    RXP SERIES
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    TENSILE STRENGTH METRIC:
    35.3 KN
    CHAIN TYPE:
    520 RXP
    COLOR/FINISH:
    GOLD
    MASTER LINK CONNECTOR:
    CLIP
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    SEAL TYPE:
    NON-SEAL
    TENSILE STRENGTH IMPERIAL:
    7937 LB
    UNITS:
    EACH
    MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
    350 CC
    PRODUCT NAME:
    DRIVE CHAIN
    $76.95
    Qty in Cart: 0
    Quantity:
    Price:
    $76.95
    Subtotal:
  • MOOSE RACING 428 RXP Pro-MX Chain - Gold - 100 Links M575-00-100

    MOOSE RACING 428 RXP Pro-MX Chain - Gold - 100 Links M575-00-100

    MOOSE RACING

    $37.95
    If you're running a high-powered mini-racing machine, your chain is mission-critical—it needs to handle extreme acceleration and sustained RPMs without stretching, breaking, or leaving you stranded. The MOOSE RACING 428 RXP Pro-MX Chain is engineered...
    M57500100
    SKU:
    M57500100
    Availability:
    Ships Same Business Day
    Weight:
    2.20 LBS
    CHAIN SIZE:
    428
    MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
    125 CC
    TENSILE STRENGTH METRIC:
    22.6 KN
    CHAIN TYPE:
    428 RXP
    MODEL:
    RXP SERIES
    PRODUCT NAME:
    DRIVE CHAIN
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    TENSILE STRENGTH IMPERIAL:
    5071 LB
    COLOR/FINISH:
    GOLD
    MASTER LINK CONNECTOR:
    CLIP
    MAXIMUM ENGINE DISPLACEMENT (STREET):
    125 CC
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    SEAL TYPE:
    NON-SEAL
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • MOOSE RACING 428 RXP Pro-MX Chain - Gold - 116 Links M575-00-116

    MOOSE RACING 428 RXP Pro-MX Chain - Gold - 116 Links M575-00-116

    MOOSE RACING

    $41.95
    Mini-racing demands a chain engineered to handle aggressive acceleration and sustained high RPMs without sacrificing reliability. The MOOSE RACING 428 RXP Pro-MX delivers the tensile strength and corrosion resistance required for consistent performance...
    M57500116
    SKU:
    M57500116
    Availability:
    Ships Same Business Day
    Weight:
    2.20 LBS
    RIDING STYLE:
    STREET
    TENSILE STRENGTH METRIC:
    22.6 KN
    MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
    125 CC
    RIDING STYLE:
    UTV
    CHAIN SIZE:
    428
    COLOR/FINISH:
    GOLD
    MASTER LINK CONNECTOR:
    CLIP
    MAXIMUM ENGINE DISPLACEMENT (STREET):
    125 CC
    MODEL:
    RXP SERIES
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    SEAL TYPE:
    NON-SEAL
    UNITS:
    EACH
    CHAIN TYPE:
    428 RXP
    PRODUCT NAME:
    DRIVE CHAIN
    RIDING STYLE:
    OFF-ROAD
    TENSILE STRENGTH IMPERIAL:
    5071 LB
    Qty in Cart: 0
    Quantity:
    Price:
    $41.95
    Subtotal:
  • DP BRAKES Clutch Kit DPK224

    DP BRAKES Clutch Kit DPK224

    DP BRAKES

    $143.05
    Stock clutch plates wear out fast and fade under sustained load—leaving you with mushy engagement, slippage, and unpredictable power delivery when you need it most. The DP BRAKES DPK224 Clutch Kit replaces worn friction and steel plates with high-heat...
    11311930
    SKU:
    11311930
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    PRODUCT NAME:
    CLUTCH KIT
    SPRING MATERIAL:
    CHROME SILICON
    TYPE:
    COMPLETE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    SET
    DRIVE PLATE MATERIAL:
    STEEL
    MODEL:
    DPK SERIES
    RIDING STYLE:
    OFF-ROAD
    $143.05
    Qty in Cart: 0
    Quantity:
    Price:
    $143.05
    Subtotal:
  • DP BRAKES Clutch Kit DPK225

    DP BRAKES Clutch Kit DPK225

    DP BRAKES

    $330.67
    Stock clutch plates fade under sustained racing loads and wear out quickly, compromising both reliability and power delivery when you need it most. The DP BRAKES DPK225 Clutch Kit delivers fade-free performance with high-heat friction materials and...
    11311946
    SKU:
    11311946
    Availability:
    Ships Same Business Day
    Weight:
    2.05 LBS
    SPRING MATERIAL:
    CHROME SILICON
    TYPE:
    COMPLETE
    DRIVE PLATE MATERIAL:
    STEEL
    MODEL:
    DPK SERIES
    PRODUCT NAME:
    CLUTCH KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    SET
    $330.67
    Qty in Cart: 0
    Quantity:
    Price:
    $330.67
    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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