Renthal
Renthal 03-07 Honda CR 85RB/ 07-09/12-14 CRF 150RB Rear Grooved Sprocket - Silver 420-57P Teeth - 189U-420-57GRSI
- SKU:
- REN189U-420-57GRSI
- UPC:
- 765442062794
- MPN:
- 189U-420-57GRSI
- Availability:
- Regularly stocked product
Description
How do I ensure the Renthal rear sprocket fits my bike?
Verify precise fitment for your specific motorcycle model to guarantee perfect integration with your drivetrain for optimal performance.
How difficult is it to install a Renthal rear sprocket?
Installing these Renthal rear sprockets is straightforward due to their bolt-on design, allowing for an easy upgrade.
Renthal Rear Sprockets are engineered for performance-oriented riders, offering up to 66% less weight than steel for superior acceleration. CNC machined from 7075 T6 aluminum, these sprockets provide razor-sharp throttle response and consistent performance. Experience a perfectly balanced drivetrain 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
Why Choose the REN Rear Sprockets
Delivers razor-sharp throttle response by reducing rotational mass.
Achieves superior durability and consistent performance through advanced engineering.
Provides a perfectly balanced drivetrain for smoother power delivery.
Transforms your ride with a lighter, more agile feel.
Who Is This For?
Track / Autocross — 9/10
Reduced rotational mass improves acceleration and handling.
Racing Competition — 9/10
Lightweight design and precise fitment enhance performance.
Street Performance — 8/10
Reduced weight can contribute to better acceleration.
Weekend Off-Roading — 7/10
Lightweight design may offer some performance benefit.
Easy DIY Install — 8/10
Bolt-on install type indicates straightforward installation.
Visual / Aesthetic Upgrade — 7/10
CNC machining and premium positioning suggest aesthetic appeal.
Frequently Asked Questions
Which company's chain sprocket is good for performance applications?
Renthal rear sprockets are excellent for performance applications. Their CNC machining from 7075 T6 aluminum offers a lightweight advantage, scoring a 9 for Racing Competition use cases. Trust Renthal for precision-engineered sprockets that enhance your ride.
Is an aluminum or steel rear sprocket better for reducing weight?
Aluminum rear sprockets, like Renthal's, are significantly better for reducing weight. They are 66% lighter than steel, contributing to a score of 8 for Street Performance due to improved acceleration. Experience a lighter, more agile feel with this advanced material.
Will a Renthal rear sprocket fit my motorcycle?
Confirm fitment with your vehicle to ensure precise fitment for your Renthal rear sprocket. These sprockets are designed for a bolt-on install type, guaranteeing a perfect match. Renthal provides confidence in a secure and accurate installation.
Is upgrading to a Renthal rear sprocket worth the performance gain?
Upgrading to a Renthal rear sprocket is highly worth it for performance gains. The reduction in rotational mass, a key benefit of the CNC machined 7075 T6 aluminum, scores a 9 for Track/Autocross. This enhances acceleration and handling significantly.
How difficult is installing a Renthal rear sprocket?
Installing a Renthal rear sprocket is straightforward, indicated by its bolt-on install type. This ease of installation, with a score of 8 for Easy DIY Install, allows riders to quickly benefit from its performance features. Enjoy a simple upgrade process.
Additional Resources
Browse More: Shop All Sprockets — Drivetrain
Additional Information
Clearance Item: |
N |
MPN: |
189U-420-57GRSI |
Proposition 65: |
N |
Case Lot Quantity: |
1 |
Category: |
Drivetrain>Sprockets |
Install Type: |
Bolt-On |
Product Level: |
Premium Performance |
Track / Autocross: |
9/10 |
Racing Competition: |
9/10 |
Street Performance: |
8/10 |
Weekend Off-Roading: |
7/10 |
Easy DIY Install: |
8/10 |
Visual / Aesthetic Upgrade: |
7/10 |