Renthal 520-49T 150U-520-49GBHA Rear Sprocket for 2002-2023 Yamaha YZ 125, YZ 250F/X and YZ450F

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 UltraLight Rear Chainwheel is a CNC-machined aluminum rear sprocket designed for select Yamaha YZ models. This limited-edition sprocket features a 520 chain size and 49 teeth, with a hard-anodized surface treatment for improved surface durability.

Manufactured from 7075 T6 aluminum, the Renthal rear sprocket is engineered for reduced weight compared with steel alternatives while maintaining a high-strength base material. Computer engineering and testing support precise fitment, concentricity and load dispersion, while the tooth profile is designed to promote efficient power transfer.

This Renthal rear sprocket fits 2002–2023 Yamaha YZ 125, YZ 250F, YZ 250X and YZ450F applications as identified by the manufacturer. Manufacturer part number: 150U-520-49GBHA. Vendor part number: 150U-520-49GBHA.

Features:

• Brand: Renthal
• Model: UltraLight Rear Chainwheel, Limited Edition
• Part Number: 150U-520-49GBHA
• Chain Size: 520
• Tooth Count: 49 teeth
• Material: CNC-machined 7075 T6 aluminum
• Surface Treatment: Hard anodized
• Fitment: 2002–2023 Yamaha YZ 125, YZ 250F, YZ 250X and YZ450F
• Design: Computer engineered and tested for precise fitment, concentricity and load dispersion
• Tooth Profile: Designed to support maximum power transfer

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