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
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On Sale
PROX Clutch Basket - Honda 17.1220F
PROX
MSRP: $299.95Now: $221.00Was: $299.95A worn or damaged clutch basket degrades engagement quality and creates inconsistent power delivery—a critical liability in racing or high-performance applications. The PROX 17.1220F replaces factory weakness with precision-engineered durability,...11321964- SKU:
- 11321964
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
MSRP: $299.95Now: $221.00Was: $299.95Qty in Cart: 0Quantity:Price:MSRP: $299.95Now: $221.00Was: $299.95Subtotal: -
On Sale
PROX Clutch Basket - Honda 17.1403F
PROX
MSRP: $316.95Now: $246.00Was: $316.95A worn or damaged clutch basket directly impacts engagement quality and power delivery—two critical factors that separate consistent lap times from inconsistent performance. The PROX 17.1403F replaces OEM baskets with precision-machined billet...11321965- SKU:
- 11321965
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
MSRP: $316.95Now: $246.00Was: $316.95 -
On Sale
PROX Clutch Basket - RM 125 17.3292F
PROX
MSRP: $299.95Now: $221.00Was: $299.95OE-precision clutch baskets wear down under racing loads, causing inconsistent engagement and premature failure. The PROX Clutch Basket for RM 125 eliminates this problem through aerospace-grade materials and a proprietary manufacturing process that...11321966- SKU:
- 11321966
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
MSRP: $299.95Now: $221.00Was: $299.95 -
On Sale
PROX Clutch Basket - RM 250 17.3396F
PROX
MSRP: $299.95Now: $221.00Was: $299.95OEM clutch baskets wear prematurely under racing loads, causing inconsistent engagement and reduced power delivery. The PROX RM 250 clutch basket eliminates this problem with aerospace-grade construction and advanced surface treatments designed...11321968- SKU:
- 11321968
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
MSRP: $299.95Now: $221.00Was: $299.95 -
On Sale
PROX Clutch Plate Set - SX 60/65 16.CPS60098
PROX
MSRP: $105.95Now: $85.00Was: $105.95If you're pushing your SX 60/65 to the limit, OEM clutch plates won't cut it—they'll slip under hard acceleration and leave you wondering if you've got enough power. The PROX Clutch Plate Set gives you the full friction and steel plate lineup you need...11313952- SKU:
- 11313952
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
MSRP: $105.95Now: $85.00Was: $105.95 -
On Sale
PROX Clutch Plate Set - YZ 450F 16.CPS24014
PROX
MSRP: $155.95Now: $127.00Was: $155.95If you're experiencing clutch slip under aggressive throttle or heavy load, a worn or marginal clutch plate set will cost you consistency and control on the track. The PROX Clutch Plate Set for YZ 450F delivers complete friction and steel plate renewal...11312542- SKU:
- 11312542
- Availability:
- Ships Same Business Day
- Weight:
- 2.18 LBS
MSRP: $155.95Now: $127.00Was: $155.95 -
On Sale
PROX Clutch Pressure Plate - KX 125 18.P4294
PROX
MSRP: $57.95Now: $47.00Was: $57.95A worn or damaged clutch pressure plate directly compromises your KX 125's power transfer and throttle response, forcing you to compensate with riding technique instead of trusting your machine. This OEM-spec PROX unit restores factory engagement...11311492- SKU:
- 11311492
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $57.95Now: $47.00Was: $57.95Qty in Cart: 0Quantity:Price:MSRP: $57.95Now: $47.00Was: $57.95Subtotal: -
On Sale
PROX Clutch Plate Set - CR 250R 16.CPS13097
PROX
MSRP: $205.95Now: $187.00Was: $205.95CR 250R riders pushing hard on the track need clutch engagement they can trust lap after lap. This PROX Clutch Plate Set delivers the reliability of OEM construction with upgraded spring rates that eliminate slippage under extreme load—giving you the...11312509- SKU:
- 11312509
- Availability:
- Ships Same Business Day
- Weight:
- 1.54 LBS
MSRP: $205.95Now: $187.00Was: $205.95Qty in Cart: 0Quantity:Price:MSRP: $205.95Now: $187.00Was: $205.95Subtotal: -
On Sale
PROX Clutch Plate Set - CR 500R 16.CPS15090
PROX
MSRP: $205.95Now: $187.00Was: $205.95A worn or slipping clutch costs you drive off the line and control through aggressive riding. The PROX Clutch Plate Set delivers OEM-level reliability with enhanced spring stiffness—eliminating slip under extreme conditions while maintaining the...11312516- SKU:
- 11312516
- Availability:
- Ships Same Business Day
- Weight:
- 1.37 LBS
MSRP: $205.95Now: $187.00Was: $205.95 -
On Sale
PROX Clutch Plate Set - Gas Gas/Yamaha 16.CPS23001
PROX
MSRP: $171.95Now: $144.00Was: $171.95Clutch slippage under load kills performance and confidence in the cockpit. The PROX Clutch Plate Set delivers a complete friction and steel plate assembly engineered to eliminate that problem, with springs tuned 10% stiffer than OEM to maintain instant...11312526- SKU:
- 11312526
- Availability:
- Ships Same Business Day
- Weight:
- 1.66 LBS
MSRP: $171.95Now: $144.00Was: $171.95 -
On Sale
PROX Clutch Plate Set - YZ 250/X 16.CPS23002
PROX
MSRP: $177.95Now: $144.00Was: $177.95A worn or slipping clutch kills your throttle response and costs you critical power delivery on the track or trail. The PROX Clutch Plate Set for YZ 250/X delivers a complete friction and steel plate replacement that restores OEM clutch feel while adding...11312527- SKU:
- 11312527
- Availability:
- Ships Same Business Day
- Weight:
- 2.19 LBS
MSRP: $177.95Now: $144.00Was: $177.95 -
On Sale
PROX Clutch Plate Set - Kawasaki 16.CPS41098
PROX
MSRP: $116.95Now: $102.00Was: $116.95OEM clutch plates wear down, robbing you of engagement precision and throttle response—especially under sustained racing conditions. The PROX Clutch Plate Set delivers a complete friction and steel plate package engineered to restore crisp bite and...11312562- SKU:
- 11312562
- Availability:
- Ships Same Business Day
- Weight:
- 0.99 LBS
MSRP: $116.95Now: $102.00Was: $116.95Qty in Cart: 0Quantity:Price:MSRP: $116.95Now: $102.00Was: $116.95Subtotal: -
On Sale
PROX Clutch Plate Set - KX 250F 16.CPS43006
PROX
MSRP: $182.95Now: $158.00Was: $182.95A worn or slipping clutch costs you precious milliseconds on the track and control on every shift. The PROX Clutch Plate Set for KX 250F delivers OEM reliability with a 10% stiffer spring package engineered to eliminate slip under high-load acceleration...11312568- SKU:
- 11312568
- Availability:
- Ships Same Business Day
- Weight:
- 2.01 LBS
MSRP: $182.95Now: $158.00Was: $182.95Qty in Cart: 0Quantity:Price:MSRP: $182.95Now: $158.00Was: $182.95Subtotal: -
On Sale
PROX Clutch Plate Set - KTM/Husqvarna/Husaberg 16.CPS62008
PROX
MSRP: $160.95Now: $136.00Was: $160.95A worn or slipping clutch robs you of the immediate throttle response and control that separates competitive riders from the rest. The PROX Clutch Plate Set delivers OEM-level durability with enhanced friction materials and stiffer springs engineered to...11312576- SKU:
- 11312576
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
MSRP: $160.95Now: $136.00Was: $160.95 -
On Sale
PROX Clutch Plate Set - CRF 450R/RX 16.CPS14017
PROX
MSRP: $171.95Now: $153.00Was: $171.95Stock clutch plates wear under high-load conditions, leading to slippage that costs you power delivery and control when you need it most. This ProX Clutch Plate Set restores your engagement precision with OEM-quality friction and steel plates, while...11313148- SKU:
- 11313148
- Availability:
- Ships Same Business Day
- Weight:
- 2.02 LBS
MSRP: $171.95Now: $153.00Was: $171.95Qty in Cart: 0Quantity:Price:MSRP: $171.95Now: $153.00Was: $171.95Subtotal: -
On Sale
PROX Clutch Plate Set - Gas Gas/Husqvarna/KTM 16.CPS63029
PROX
MSRP: $139.95Now: $119.00Was: $139.95Your clutch is the critical link between engine power and wheel traction—any slippage under load costs you acceleration and control. This PROX plate set replaces worn friction and steel plates with OEM-quality components engineered for high-demand...11313621- SKU:
- 11313621
- Availability:
- Ships Same Business Day
- Weight:
- 1.39 LBS
MSRP: $139.95Now: $119.00Was: $139.95Qty in Cart: 0Quantity:Price:MSRP: $139.95Now: $119.00Was: $139.95Subtotal: -
On Sale
PROX Clutch Plate Set - Gas Gas/Husaberg/Husqvarna/KTM 16.CPS64012
PROX
MSRP: $171.95Now: $144.00Was: $171.95Dirt bike clutches take a beating in extreme conditions, and OEM plates alone won't cut it when you're pushing hard on the track or trail. The PROX Clutch Plate Set delivers OEM-quality steel plates with upgraded springs that run 10% stiffer than stock,...11313623- SKU:
- 11313623
- Availability:
- Ships Same Business Day
- Weight:
- 2.23 LBS
MSRP: $171.95Now: $144.00Was: $171.95 -
On Sale
PROX Clutch Plate Set - YZ 85 16.CPS21002
PROX
MSRP: $138.95Now: $110.00Was: $138.95A worn or slipping clutch kills performance and leaves you guessing about power delivery on the track or trail. The PROX Clutch Plate Set for YZ 85 gives you a complete, OEM-quality replacement that restores positive engagement and eliminates hesitation...11313624- SKU:
- 11313624
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
MSRP: $138.95Now: $110.00Was: $138.95 -
On Sale
PROX Clutch Plate Set - Gas Gas/Husqvarna/KTM 16.CPS61018
PROX
MSRP: $143.95Now: $110.00Was: $143.95Stock clutch plates wear down under aggressive riding, causing slippage and delayed power delivery when you need it most. This PROX Clutch Plate Set delivers a complete friction and steel plate assembly with 10% stiffer springs, eliminating the dead...11313862- SKU:
- 11313862
- Availability:
- Ships Same Business Day
- Weight:
- 1.29 LBS
MSRP: $143.95Now: $110.00Was: $143.95 -
T.M. DESIGNWORKS Chain Slider - Rear - Black - Beta RCG-BT3-BK
T.M. DESIGNWORKS
$117.95A worn or loose chain slider compromises both performance and reliability on your Beta dirt bike. T.M. DESIGNWORKS' rear chain slider combines race-proven engineering with durable materials to eliminate chain noise, reduce wear, and prevent the costly...12311741- SKU:
- 12311741
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$117.95
