Renthal 520-50T UltraLight Rear Sprocket 150U-520-50GBHA for Yamaha YZ125/X/G, YZ250/F/X, YZ450F/FX and WR250-450F

Renthal UltraLight Rear Chainwheels are CNC machined from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer. A combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface treatments its clear to see why Renthal's light weight all aluminum rear sprockets can be found on the rear wheels of many factory race team machines.

The Renthal 150U-520-50GBHA UltraLight Rear Sprocket is a CNC-machined aluminum rear chainwheel designed for powersports applications. It features a 520 chain size and 50 teeth, with a hard-anodized finish identified by the GBHA part designation.

Manufacturer part number: 150U-520-50GBHA. Vendor part number: 150U-520-50GBHA. This rear sprocket is listed for fitment on 1999-2024 Yamaha YZ125, YZ125X, YZ125G, YZ250, YZ250F, YZ250X, YZ450F, YZ450FX, WR250F and WR450F models. Verify the exact year, model and existing chain and sprocket configuration before installation.

Renthal manufactures the UltraLight rear chainwheel from 7075-T6 aluminum using computer-engineered production methods and tight machining tolerances. The design focuses on precise fitment, concentricity, load dispersion and tooth profiling for efficient power transfer. Its lightweight aluminum construction is stated to be 66% lighter than steel, while the hardwearing surface treatment supports durability in demanding riding conditions.

Features:

• Brand: Renthal
• Manufacturer part number: 150U-520-50GBHA
• Vendor part number: 150U-520-50GBHA
• Application: Rear sprocket for powersports use
• Chain size: 520
• Tooth count: 50
• Material: CNC-machined 7075-T6 aluminum
• Finish: Hard anodized
• Construction: UltraLight design stated to be 66% lighter than steel
• Engineering: Computer engineered and tested for precise fitment, concentricity and load dispersion
• Tooth profile: Designed to provide efficient power transfer
• Fitment: 1999-2024 Yamaha YZ125, YZ125X, YZ125G, YZ250, YZ250F, YZ250X, YZ450F, YZ450FX, WR250F and WR450F

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