Renthal

Renthal 02-22 Suzuki RM 85/ 93-18 Yamaha YZ80/YZ 85 Rear Sprocket Grooved - Silver 428-47P Teeth - 121U-428-47GPSI

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SKU:
REN121U-428-47GPSI
UPC:
765442003506
MPN:
121U-428-47GPSI
Availability:
Regularly stocked product
MSRP: $99.82
$89.84
— You save $9.98
Frequently bought together:

Description

What is the primary benefit of using a Renthal sprocket?
Renthal sprockets deliver lightning-fast acceleration by shedding significant unsprung weight, improving overall performance and agility.

How does the material affect the performance of the sprocket?
CNC machined from 7075 T6 aluminum, these sprockets are 66 percent lighter than steel, providing enhanced acceleration and responsiveness.

Renthal REN Rear Sprockets, fitting 1989-2021 Suzuki RM80/RM85/RM85L and Yamaha YZ80/YZ85, are engineered for maximum performance, boasting a 9/10 score for Racing Competition. CNC machined from 7075 T6 aluminum, they are 66 percent lighter than steel. Experience exhilarating throttle response and a smooth, reliable drivetrain connection with these precision-engineered sprockets.

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

Delivers lightning-fast acceleration by shedding significant unsprung weight.

Achieves optimal power delivery for exhilarating throttle response.

Provides a smooth, reliable drivetrain connection for consistent performance.

Transforms your ride with a perfectly balanced and durable component.

Who Is This For?

Weekend Off-Roading — 8/10
Lighter weight improves acceleration for off-road agility.

Track / Autocross — 9/10
Reduced weight and efficient power transfer enhance performance.

Drag Racing — 9/10
Significant weight reduction directly aids acceleration.

Street Performance — 8/10
Lighter weight and power transfer improve responsiveness.

Racing Competition — 9/10
Premium performance features optimize for competitive use.

Easy DIY Install — 7/10
Bolt-on installation type suggests straightforward fitting.

Additional Resources

Official Renthal Product Page

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Additional Information

Clearance Item:
N
MPN:
121U-428-47GPSI
Proposition 65:
N
Case Lot Quantity:
1
Category:
Drivetrain>Sprockets
Install Type:
Bolt-On
Product Level:
Premium Performance
Weekend Off-Roading:
8/10
Track / Autocross:
9/10
Drag Racing:
9/10
Street Performance:
8/10
Racing Competition:
9/10
Easy DIY Install:
7/10
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