Dirt Bike Front Sprockets
Dirt Bike Front Sprockets for Honda, Kawasaki & Yamaha: 11-14 Tooth Countershaft Sprockets at JJ Motorsports
Optimize your dirt bike's gearing and acceleration with premium front sprockets from JJ Motorsports, precision-machined for perfect chain fit, maximum strength, and long-lasting performance in motocross, enduro, and trail riding. Our selection includes lightweight steel and hardened countershaft sprockets in 11-14 tooth counts designed for reduced rotational mass, smoother power delivery, and customizable gear ratios. Compatible with top models like Honda XR250R, CRF, Kawasaki KX/KLX, and more, these high-quality sprockets from trusted brands ensure minimal wear on chains, improved throttle response, and reliability in dusty, high-load conditions. From JT Sprockets' computer-designed steel for OEM-spec durability to Moose Racing's CRMoly hardened options for extreme off-road use, fine-tune your final drive for tighter woods, faster tracks, or balanced trail riding with the right tooth count.
Shop brands like JT Sprockets and Moose Racing for race-proven quality. Explore related categories such as dirt bike rear sprockets for full kits or dirt bike drive chains for complete drivetrain upgrades.
Top Dirt Bike Front Sprockets
- JT Sprockets Countershaft Sprocket 11 Tooth XR250R/L JTF327.11 – 11-tooth steel front sprocket for Honda XR250R/L 1979-2004; computer-designed for perfect chain alignment and lightweight strength.
- JT Sprockets Countershaft Sprocket 14 Tooth Honda/Kawasaki JTF273.14 – 14-tooth hardened steel sprocket for Honda CRF150F/CRF230F and Kawasaki KLX110; OEM-spec fit with superior wear resistance.
- Moose Racing Front Sprocket 14 Tooth Honda 26-1106-14CRMO – CRMoly steel 14-tooth sprocket for Honda CRF models; heat-treated for extreme durability in aggressive off-road and racing conditions.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Renthal 13 Tooth Ultralight Front Sprocket for Honda CR250R CR500R CRF450R CRF450X TRX450R 253U-520-13GP
RENTHAL
$47.95Shave weight off your front end while gaining durability where it matters most. The Renthal 13-Tooth Ultralight Front Sprocket delivers the precision engineering and material science that separates competitive riders from the rest—case-hardened 655M13...R253U52013- SKU:
- R253U52013
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- NATURAL
- TOOTH COUNT:
- 13
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ATV
- TYPE:
- COUNTERSHAFT
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- STEEL
- STYLE:
- ULTRALIGHT
$47.95 -
Renthal 12T Front Sprocket for Suzuki RM125 RM-Z250 254--520-12GP
RENTHAL
$37.95A worn or inefficient front sprocket directly impacts your Suzuki's throttle response and chain wear. The Renthal 12T Front Sprocket eliminates mud-induced performance loss with self-cleaning grooves while shaving 10-15% weight from your...R25452012- SKU:
- R25452012
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 12
- CHAIN SIZE:
- 520
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$37.95 -
Renthal 14-Tooth Front Sprocket for Suzuki DR-Z250 DR-Z400E DR-Z400S DR-Z400SM RM250 RMX250 255--520-14GP
RENTHAL
$37.95A worn or inefficient front sprocket robs your DR-Z of acceleration and forces your engine to work harder than necessary. The Renthal 14-tooth front sprocket cuts rotating mass while maintaining durability, giving you quicker throttle response and...R25552014- SKU:
- R25552014
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 14
$37.95 -
Renthal Front Sprocket 13T 428 Chain Yamaha YZ85 2002-2026 257--428-13GP
RENTHAL
$37.95A worn or poorly designed front sprocket directly impacts your YZ85's acceleration response, chain wear rate, and overall drivetrain efficiency. The Renthal 13-tooth sprocket eliminates these weak points with case-hardened construction and precision CNC...R25742813- SKU:
- R25742813
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 13
- UNITS:
- EACH
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
$37.95 -
Renthal 14T Front Sprocket 420 Chain Kawasaki KX100 KX85 KX65 KX60 KX80 KX85 258--420-14GP
RENTHAL
$37.95If you're running a Kawasaki pit bike or off-road machine, your front sprocket takes a beating from dirt, mud, and constant chain tension. The Renthal 14T front sprocket swaps out weak OEM components for case-hardened nickel-chromium steel that resists...R25842014- SKU:
- R25842014
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 14
- CHAIN SIZE:
- 420
- UNITS:
- EACH
$37.95 -
Renthal 15-Tooth Front Sprocket for Honda XR600R 1991-2000 and XR650L 1993-2025 282--520-15GP
RENTHAL
$37.95A worn or undersized front sprocket forces your engine to work harder, cutting into acceleration and throttle response when you need it most. The Renthal 15-Tooth Front Sprocket delivers the durability and precision geometry that competitive riders...R28252015- SKU:
- R28252015
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- TOOTH COUNT:
- 15
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 655M13 NICKEL CHROMIUM STEEL
- PRODUCT NAME:
- SPROCKET
$37.95 -
Renthal 15T Front Sprocket for Kawasaki KX250 KLX300R 289--520-15GP
RENTHAL
$37.95A worn or damaged front sprocket directly compromises acceleration, chain life, and overall drivetrain efficiency. The Renthal 15T Front Sprocket delivers precision engineering and durability-focused design that keeps your power delivery sharp and your...R28952015- SKU:
- R28952015
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 15
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
$37.95 -
Renthal 14-Tooth Front Sprocket for Husqvarna KTM 520 Chain 292--520-14GP
RENTHAL
$37.95Mud buildup and weight penalty will kill your acceleration and handling in the roughest terrain—this Renthal front sprocket eliminates both. The CNC-machined self-cleaning grooves shed debris on every rotation, while the 655M13 nickel-chromium steel core...R29252014- SKU:
- R29252014
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 14
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$37.95 -
Renthal 12-Tooth Front Sprocket for Kawasaki KX125 1992-2005 337-520-12GP
RENTHAL
$37.95If you're running a KX125 hard, your sprocket is one of the first components to show wear under sustained throttle and chain tension. The Renthal 12-Tooth Front Sprocket replaces that wear item with a precision-engineered alternative that shaves 10-15%...R33752012- SKU:
- R33752012
- Availability:
- Ships Same Business Day
- Weight:
- 1.88 LBS
- MATERIAL:
- STEEL
- CHAIN SIZE:
- 520
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 12
$37.95 -
Renthal 13-Tooth Front Sprocket for Honda CR250R CR500R CRF450R CRF450X CRF450RX CRF450RWE CRF250R CRF250RX TRX450R TRX450ER 253--520-13GP
RENTHAL
$37.95A worn or undersized front sprocket robs your Honda of acceleration and chain efficiency. The Renthal 13-tooth front sprocket delivers a lightweight upgrade that sharpens throttle response while the case-hardened 655M13 steel resists wear from high-RPM...R25352013- SKU:
- R25352013
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 13
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- NATURAL
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
$37.95 -
Renthal 15-Tooth Front Sprocket for Honda 253--520-15GP
RENTHAL
$37.95A lightweight front sprocket is one of the most direct upgrades to sharpen your Honda's throttle response and acceleration—and Renthal's 15-tooth design delivers measurable weight savings without compromising durability. The case-hardened 655M13...R25352015- SKU:
- R25352015
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- RIDING STYLE:
- ATV
- TOOTH COUNT:
- 15
- TYPE:
- COUNTERSHAFT
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
$37.95 -
Renthal 12-Tooth Front Sprocket for Honda CR125R 1987-2003 256-520-12GP
RENTHAL
$37.95If you're running a Honda CR125R, sprocket selection directly impacts your power delivery and clutch engagement. The Renthal 12-Tooth Front Sprocket reduces unsprung weight while maintaining the durability required for consistent race performance—every...R25652012- SKU:
- R25652012
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 12
$37.95 -
Renthal Front Sprocket 14T 428 Chain Yamaha YZ85 2002-2026 257--428-14GP
RENTHAL
$37.95If you're running a 14-tooth countershaft sprocket on your YZ85, gear selection directly impacts acceleration, top-end speed, and overall drivetrain efficiency. The Renthal 14T Front Sprocket delivers measurable weight savings and proven durability...R25742814- SKU:
- R25742814
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 14
- CHAIN SIZE:
- 428
$37.95 -
Renthal Front Sprocket 12T 520 Chain Yamaha YZ125 WR200R 257--520-12GP
RENTHAL
$37.95A worn or undersized front sprocket limits acceleration and forces your engine to work harder, bleeding performance when you need it most. The Renthal 12T Front Sprocket delivers the durability and lightweight efficiency that separates competitive...R25752012- SKU:
- R25752012
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- 655M13 NICKEL CHROMIUM STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 12
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$37.95 -
Renthal 13-Tooth Front Sprocket 420 Chain for Kawasaki KX Models 258--420-13GP
RENTHAL
$37.95A lighter front sprocket translates directly to quicker acceleration and sharper throttle response—critical advantages whether you're launching on the track or navigating technical terrain. The Renthal 13-tooth design pairs aggressive power delivery with...R25842013- SKU:
- R25842013
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- CHAIN SIZE:
- 420
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 13
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
Renthal 14T Front Sprocket for Honda CR80R CR85R CRF50F CRF70F 259--420-14GP
RENTHAL
$37.95If you're running a Honda CR80R, CR85R, CRF50F, or CRF70F in competition or serious trail riding, sprocket choice directly impacts your power delivery and handling. The Renthal 14T Front Sprocket cuts rotating mass by 10-15% while maintaining the...R25942014- SKU:
- R25942014
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- TOOTH COUNT:
- 14
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 420
- TYPE:
- COUNTERSHAFT
- COLOR/FINISH:
- NATURAL
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
Renthal 16T Grooved Front Sprocket for Honda XR400R TRX400EX 279--520-16GP
RENTHAL
$37.95If you're running a Honda XR400R or TRX400EX in serious conditions, your front sprocket takes a beating from mud, debris, and constant engagement stress. The Renthal 16T Grooved Front Sprocket delivers measurable performance gains—10-15% weight savings...R27952016- SKU:
- R27952016
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- MOUNTING POSITION:
- FRONT
- TOOTH COUNT:
- 16
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
- TYPE:
- FRONT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 655M13 NICKEL CHROMIUM STEEL
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
Renthal Steel Front Sprocket 14T 520 Chain Honda XR600R XR650L 282--520-14GP
RENTHAL
$37.95If you're running a Honda XR600R or XR650L in demanding terrain, your front sprocket takes a beating—mud buildup accelerates wear, excess weight kills acceleration, and premature failure means downtime. The Renthal 14T Steel Front Sprocket eliminates...R28252014- SKU:
- R28252014
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FRONT
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 14
- CHAIN SIZE:
- 520
- MATERIAL:
- 655M13 NICKEL CHROMIUM STEEL
$37.95 -
Renthal Front Sprocket 12-Tooth 520 Chain Kawasaki 289--520-12GP
RENTHAL
$37.95A quality front sprocket is fundamental to translating engine power into usable acceleration and throttle response. The Renthal 12-tooth front sprocket reduces rotating mass at the countershaft while maintaining the durability required for sustained...R28952012- SKU:
- R28952012
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 12
$37.95 -
Renthal 13-Tooth Front Sprocket 420 Chain KTM 65 SX 1998-2008 307-420-13GP
RENTHAL
$37.95If you're running a KTM 65 SX on the track or trail, sprocket wear directly impacts your power delivery and lap times. The Renthal 13-Tooth Front Sprocket delivers the precision engineering and durability needed to maintain consistent acceleration while...R30742013- SKU:
- R30742013
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MATERIAL:
- 655M13 NICKEL CHROMIUM STEEL
- CHAIN SIZE:
- 420
- TYPE:
- FRONT
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 13
$37.95
