Renthal
Renthal 06-23 Yamaha YFM250/700 Raptor/ YFZ450/R Rear Grooved Sprocket - Silver 520-40 Teeth - 437U-520-40GBSI
- SKU:
- REN437U-520-40GBSI
- UPC:
- 765442067553
- MPN:
- 437U-520-40GBSI
- Availability:
- Regularly stocked product
Description
Will these sprockets fit my motorcycle?
REN Rear Sprockets offer precise fitment for your vehicle, ensuring seamless integration with your existing drivetrain components.
Are these sprockets easy to install?
Achieve lightning-fast acceleration with these lightweight sprockets, designed for a smooth, efficient drivetrain and instant throttle response.
Renthal REN Rear Sprockets are engineered for performance riders, achieving a score of 9 in Track/Autocross and Drag Racing usage. CNC machined from 7075 T6 aluminum, these sprockets are 66 percent lighter than steel. Experience dramatic acceleration and unwavering power transfer with confidence.
Key Features
- CNC machined from 7075 T6 aluminum
- 66% lighter than steel
- Computer engineered and tested
- precise fitment
- concentricity
- load dispersion with tooth profiling to provide maximum power transfer
Why Choose the REN Rear Sprockets
Achieves lightning-fast acceleration by shedding significant unsprung weight.
Delivers unwavering power to the rear wheel for instant throttle response.
Provides a smooth, efficient drivetrain for a more connected riding feel.
Ensures perfect alignment for optimal drivetrain longevity and performance.
Who Is This For?
Street Performance — 8/10
Lighter weight improves acceleration and responsiveness.
Weekend Off-Roading — 8/10
Lighter weight aids acceleration and handling off-road.
Track / Autocross — 9/10
Reduced rotational mass enhances acceleration and agility.
Drag Racing — 9/10
Significant weight reduction directly impacts acceleration.
Racing Competition — 9/10
Performance gains from weight reduction and power transfer.
Easy DIY Install — 7/10
Bolt-on install type indicates straightforward installation.
Frequently Asked Questions
Which Yamaha YFM models do Renthal REN Rear Sprockets fit?
Renthal REN Rear Sprockets offer precise fitment for the 2004-2019 Yamaha YFM250R Raptor, YFM700R Raptor 700R, and YFZ450 models. This bolt-on design ensures direct compatibility with these popular Yamaha ATVs. You can confidently install these sprockets for a perfect alignment.
How difficult is it to install a Renthal REN Rear Sprocket?
Installing a Renthal REN Rear Sprocket is an easy bolt-on process, making it a straightforward upgrade for most riders. The 'Easy DIY Install' usage score of 7 reflects this simplicity. Enjoy a smooth, efficient drivetrain with this accessible performance enhancement.
What is the main performance benefit of upgrading to a Renthal REN Rear Sprocket for track use?
Achieving lightning-fast acceleration is the primary performance outcome for track applications with a Renthal REN Rear Sprocket. This aligns with a high 'Track / Autocross' usage score of 9, driven by shedding significant unsprung weight. Experience instant throttle response and enhanced agility.
What makes Renthal REN Rear Sprockets so lightweight?
Renthal REN Rear Sprockets achieve their lightweight advantage by being CNC machined from 7075 T6 aluminum. This advanced material makes them 66 percent lighter than traditional steel sprockets. This significant weight reduction contributes to achieving lightning-fast acceleration and a more connected riding feel.
Additional Resources
Browse More: Shop All Sprockets — Drivetrain
Additional Information
Clearance Item: |
N |
MPN: |
437U-520-40GBSI |
Proposition 65: |
N |
Case Lot Quantity: |
1 |
Category: |
Drivetrain>Sprockets |
Install Type: |
Bolt-On |
Product Level: |
Premium Performance |
Street Performance: |
8/10 |
Weekend Off-Roading: |
8/10 |
Track / Autocross: |
9/10 |
Drag Racing: |
9/10 |
Racing Competition: |
9/10 |
Easy DIY Install: |
7/10 |
Related Products
Related Products
Renthal 06-23 Yamaha YFM250/700 Raptor/ YFZ450/R Rear Grooved Sprocket - Silver 520-38 Teeth - 437U-520-38GBSI
Renthal
Renthal 06-23 Yamaha YFZ 450X/ YFM700R Raptor Front Grooved Sprocket - 520-14P Teeth - 454--520-14GP
Renthal
Renthal 06-23 Yamaha YFZ 450X/ YFM700R Raptor Front Grooved Sprocket - 520-13P Teeth - 454--520-13GP
Renthal
Renthal 89-06 Yamaha YFZ 350 Banshee/ YFM 660 Raptor Rear Grooved Sprocket - Silver 520-41P Teeth - 130U-520-41GBSI
Renthal