Renthal 47-Tooth Blue Rear Sprocket for Yamaha YZ85 121U-428-47GPBU
Part Number: 12110285RENTHAL
- SKU:
- 12110285
- UPC:
- 765442087575
- MPN:
- 121U-428-47GPBU
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
Description
If you're running a YZ85 in competitive or recreational dirt bike racing, sprocket weight directly impacts your power-to-weight ratio and throttle response. The Renthal 47-Tooth Rear Sprocket shaves off unnecessary mass while maintaining the durability needed for high-rpm chain drives, giving you measurable gains in acceleration and reduced rotational inertia. The self-cleaning tooth grooves eliminate mud-induced wear, extending service intervals and keeping your drivetrain efficient in harsh track conditions.
Technical Specifications:
- 7075-T6 aluminum alloy
- CNC-machined construction
- 47-tooth configuration
- 428 chain size
- Rear mounting position
- Self-cleaning mud grooves
- 0.75 lbs weight
- 66% lighter than steel
- Anodized blue finish
- Yamaha YZ85 (2002–2026)
- Bolt-on installation
Specs
MOUNTING POSITION: |
REAR |
TYPE: |
DRIVE |
CHAIN SIZE: |
428 |
COLOR/FINISH: |
BLUE |
RIDING STYLE: |
OFF-ROAD |
UNITS: |
EACH |
MATERIAL: |
7075-T6 ALUMINUM |
PRODUCT NAME: |
SPROCKET |
TOOTH COUNT: |
47 |
Fitment
Fitment for Renthal 47-Tooth Blue Rear Sprocket for Yamaha YZ85 121U-428-47GPBU
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