Street Bike Countershaft Sprockets - Steel
Street Bike Countershaft Sprockets at JJ Motorsports
Optimize your street bike's gearing with premium steel countershaft sprockets from JJ Motorsports, featuring case-hardened construction for durability and precise chain fit on Honda CBR, Yamaha R-series, Kawasaki ZX, Suzuki GSX-R, and more. These lightweight sprockets deliver smoother acceleration and extended chain life.
Shop Vortex, Parts Unlimited, and Driven Racing countershaft sprockets for race-proven quality. Explore related categories such as street bike rear sprockets or street bike drive chains to complete your gearing upgrades.
Top Street Bike Countershaft Sprockets
- Vortex Front Sprocket 16 Tooth 2917-16 – Case-hardened steel 16-tooth sprocket; lightweight and durable for sportbike performance.
- Parts Unlimited Countershaft Sprocket 17 Tooth 23801300-010-17 – OEM-spec 17-tooth steel sprocket; perfect fit and value for daily riders.
- Driven Racing Counter Shaft Sprocket 16 Tooth 1301-520-16T – Precision-machined 16-tooth sprocket; heat-treated for extreme strength on superbikes.
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!
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On Sale
JT SPROCKETS Sprocket - Front - Honda - 17-Tooth JTF1372.17RB
JT SPROCKETS
MSRP: $20.58Now: $18.32Was: $20.58A quality front sprocket is critical to reliable power transfer and chain longevity—cheap replacements wear fast and can compromise your entire drivetrain. The JT Sprockets 17-tooth front sprocket...12121235- SKU:
- 12121235
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
MSRP: $20.58Now: $18.32Was: $20.58 -
On Sale
JT SPROCKETS Countershaft Sprocket - 13 Tooth JTF546.13
JT SPROCKETS
MSRP: $6.53Now: $5.81Was: $6.53A properly sized countershaft sprocket is critical for optimizing your engine's power delivery and acceleration characteristics. The JT Sprockets 13-tooth design delivers the strength-to-weight ratio...JTF54613- SKU:
- JTF54613
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
MSRP: $6.53Now: $5.81Was: $6.53 -
On Sale
Renthal Ultralight Front Sprocket 14 Tooth 520 Chain 315V-520-14P
RENTHAL
MSRP: $71.95Now: $63.86Was: $71.95A 14-tooth front sprocket is the go-to choice for riders prioritizing acceleration and low-end responsiveness, making it ideal for track work, street racing, and aggressive riding. This Renthal...12121915- SKU:
- 12121915
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
MSRP: $71.95Now: $63.86Was: $71.95 -
On Sale
Renthal Ultralight Front Sprocket 15T 520 Chain 315V-520-15P
RENTHAL
MSRP: $71.95Now: $63.86Was: $71.95Reducing unsprung weight is one of the most direct ways to improve your motorcycle's handling response and acceleration. The Renthal Ultralight Front Sprocket delivers measurable performance gains...12121916- SKU:
- 12121916
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
MSRP: $71.95Now: $63.86Was: $71.95 -
On Sale
Renthal Ultralight Front Sprocket 16T 520 Chain 315V-520-16P
RENTHAL
MSRP: $71.95Now: $63.86Was: $71.95If you're running a 520 chain on your bike, this 16-tooth Renthal front sprocket delivers measurable improvements in acceleration and throttle response by cutting rotating mass without sacrificing...12121917- SKU:
- 12121917
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
MSRP: $71.95Now: $63.86Was: $71.95 -
On Sale
Renthal Front Sprocket 16 Tooth Aprilia BMW 407--525-16P
RENTHAL
MSRP: $71.95Now: $63.86Was: $71.95A lightweight front sprocket is one of the most direct ways to improve throttle response and acceleration on your Aprilia or BMW supersport. By reducing unsprung weight at the front wheel, the...12121611- SKU:
- 12121611
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
MSRP: $71.95Now: $63.86Was: $71.95 -
On Sale
Renthal 15 Tooth Front Sprocket for Aprilia RSV4 1100 2015-2023 407--525-15P
RENTHAL
MSRP: $71.95Now: $63.86Was: $71.95A 15-tooth front sprocket is the foundation of your RSV4's acceleration and mid-range punch. Renthal's case-hardened nickel-chromoly construction delivers the durability needed for track days and...12121615- SKU:
- 12121615
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
MSRP: $71.95Now: $63.86Was: $71.95Qty in Cart: 0Quantity:Price:MSRP: $71.95Now: $63.86Was: $71.95Subtotal: -
PARTS UNLIMITED Countershaft Sprocket - 14 Tooth - Kawasaki PU13144-035
PARTS UNLIMITED
$17.97A worn or damaged countershaft sprocket compromises power delivery to your rear wheel and can throw off your entire drivetrain geometry. This 14-tooth sprocket restores precise engagement with your...K222708- SKU:
- K222708
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$17.97 -
PARTS UNLIMITED Countershaft Sprocket - 18 Tooth - Suzuki D26-3169-18
PARTS UNLIMITED
$17.97A worn or damaged countershaft sprocket directly impacts your Suzuki's acceleration, throttle response, and overall drivetrain efficiency. This 18-tooth replacement restores OEM-spec performance...12121421- SKU:
- 12121421
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$17.97 -
On Sale
Renthal 17 Tooth Front Sprocket for Aprilia RSV4 1100 2021-2023 and BMW F650GS 2008 407--525-17P
RENTHAL
MSRP: $71.95Now: $63.86Was: $71.95Dropping from a heavier stock sprocket to Renthal's 17-tooth design cuts unsprung weight and sharpens your bike's throttle response—critical for both track performance and everyday acceleration. The...12121612- SKU:
- 12121612
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
MSRP: $71.95Now: $63.86Was: $71.95 -
On Sale
SUPERSPROX Countershaft Sprocket - 17-Tooth CST-1529-17-2
SUPERSPROX
MSRP: $34.95Now: $29.71Was: $34.95A countershaft sprocket is one of the most critical drivetrain components for consistent power delivery and chain longevity. The SUPERSPROX 17-Tooth CST-1529-17-2 is engineered with the same...12121332- SKU:
- 12121332
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
MSRP: $34.95Now: $29.71Was: $34.95Qty in Cart: 0Quantity:Price:MSRP: $34.95Now: $29.71Was: $34.95Subtotal: -
On Sale
Renthal Ultralight Front Sprocket 15 Tooth 525 Pitch 487U-525-15P
RENTHAL
MSRP: $58.95Now: $53.06Was: $58.95A lightweight front sprocket directly translates to faster acceleration and sharper handling—critical advantages whether you're chasing lap times or tackling technical terrain. By reducing unsprung...12121919- SKU:
- 12121919
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $58.95Now: $53.06Was: $58.95 -
On Sale
Renthal Ultralight Front Sprocket 15 Tooth Ducati Panigale 487U-520-15P
RENTHAL
MSRP: $64.95Now: $57.56Was: $64.95Unsprung weight is the enemy of acceleration and handling—every gram counts on the track or road. The Renthal Ultralight Front Sprocket cuts parasitic mass from your drivetrain while maintaining the...12121920- SKU:
- 12121920
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $64.95Now: $57.56Was: $64.95 -
On Sale
Renthal Ultralight Front Sprocket 15T Ducati 493U-520-15P
RENTHAL
MSRP: $64.95Now: $57.56Was: $64.95Reducing unsprung weight directly improves your Ducati's throttle response, handling precision, and acceleration—especially noticeable on the track or in aggressive riding. The Renthal Ultralight...12121921- SKU:
- 12121921
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $64.95Now: $57.56Was: $64.95 -
On Sale
Renthal Front Sprocket 15T 520 Chain Kawasaki Suzuki Yamaha 289--520-15P
RENTHAL
MSRP: $39.95Now: $34.16Was: $39.95A 15-tooth front sprocket directly impacts your bike's acceleration response and chain efficiency—especially critical for riders pushing hard on track or technical terrain. The Renthal 15T delivers...12121922- SKU:
- 12121922
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
MSRP: $39.95Now: $34.16Was: $39.95 -
On Sale
Renthal Front Sprocket 14T 520 Chain Kawasaki 445--520-14P
RENTHAL
MSRP: $35.95Now: $32.36Was: $35.95A lightweight front sprocket is one of the most effective upgrades for improving acceleration and reducing rotational mass on your Kawasaki. The Renthal 14T sprocket delivers measurable performance...12121923- SKU:
- 12121923
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
MSRP: $35.95Now: $32.36Was: $35.95Qty in Cart: 0Quantity:Price:MSRP: $35.95Now: $32.36Was: $35.95Subtotal: -
On Sale
Renthal Front Sprocket 17 Tooth 525 Pitch 289--525-17P
RENTHAL
MSRP: $45.95Now: $40.46Was: $45.95A lightweight front sprocket is one of the quickest ways to improve throttle response and acceleration without engine modifications. The Renthal 17-tooth sprocket cuts unsprung weight through...12121643- SKU:
- 12121643
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
MSRP: $45.95Now: $40.46Was: $45.95 -
On Sale
JT SPROCKETS Countershaft Sprocket - 12 Tooth JTF253.12
JT SPROCKETS
MSRP: $4.50Now: $4.01Was: $4.50A properly sized countershaft sprocket is critical for achieving optimal gear ratios and power delivery in your drivetrain. The JT Sprockets 12-tooth countershaft sprocket delivers the durability and...12120557- SKU:
- 12120557
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $4.50Now: $4.01Was: $4.50 -
On Sale
JT SPROCKETS Countershaft Sprocket - 15 Tooth - Honda/Hyosung JTF1554.15
JT SPROCKETS
MSRP: $19.13Now: $17.03Was: $19.13A worn or damaged countershaft sprocket directly impacts power delivery and acceleration response, making this 15-tooth replacement essential for maintaining peak drivetrain efficiency. JT Sprockets'...12121151- SKU:
- 12121151
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
MSRP: $19.13Now: $17.03Was: $19.13 -
On Sale
JT SPROCKETS Countershaft Sprocket - 18 Tooth - Honda JTF1340.18
JT SPROCKETS
MSRP: $25.08Now: $22.32Was: $25.08A properly sized countershaft sprocket is essential for optimizing your Honda's power delivery and acceleration characteristics. The 18-tooth configuration on this JT Sprockets unit strikes the right...12121685- SKU:
- 12121685
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
MSRP: $25.08Now: $22.32Was: $25.08
