The Renthal UltraLight Rear Chainwheel is a CNC-machined aluminum rear sprocket designed for powersports applications. It is manufactured from 7075 T6 aluminum and engineered to provide precise fitment, concentricity, load dispersion, and efficient power transfer through its tooth profile.
This Renthal rear sprocket features a hardwearing surface treatment and grooved design. Its lightweight aluminum construction is stated to be 66% lighter than steel, while the high-strength base material and manufacturing processes support use in demanding riding conditions.
The product is identified by manufacturer part number 150U-520-47GBBU and vendor part number 150U-520-47GBBU. The product name identifies fitment for 1999–2024 Yamaha YZ125–450 and WR250–450 models. Verify the model year, motorcycle model, chain size, tooth count, and mounting specifications before ordering.
Features:
- Construction: CNC-machined 7075 T6 aluminum
- Weight: Stated to be 66% lighter than steel
- Design: Grooved rear sprocket with a profiled tooth design
- Engineering: Computer engineered and tested for precise fitment, concentricity, and load dispersion
- Surface treatment: Hardwearing finish for durability
- Fitment: Identified for 1999–2024 Yamaha YZ125–450 and WR250–450 models
- Manufacturer part number: 150U-520-47GBBU
- Vendor part number: 150U-520-47GBBU
Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: false
Units Per Sku: 1