Renthal ren131U-520-48GBSI Rear Chainwheel

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.

Brief Description: The Renthal ren131U-520-48GBSI UltraLight Rear Chainwheel is a CNC-machined rear sprocket made from 7075 T6 aluminum. It is engineered for precise fitment, concentricity, and load dispersion, with tooth profiling designed to support efficient power transfer. Renthal states that its aluminum rear sprockets are 66% lighter than steel.

Key Features & Performance Benefits:

• 7075 T6 aluminum construction: Provides a high-strength base material for a lightweight rear chainwheel.
• CNC machining: Manufactured to extremely tight tolerances for consistent quality and precise fitment.
• Tooth profiling: Designed to provide maximum power transfer.
• Hardwearing surface treatments: Help support durability in demanding powersports applications.

Key Product Specifications & Technical Data:

• Brand: Renthal
• Part number: ren131U-520-48GBSI
• Product type: UltraLight rear chainwheel
• Material: 7075 T6 aluminum
• Chain size: 520
• Tooth count: 48
• Finish: Silver
• Manufacturing: CNC machined

What's Included in the Box: One Renthal UltraLight rear chainwheel.

Fitment: Fits 1998 Yamaha WR400F, 1998 Yamaha YZ400F, 1997 Yamaha YZ125, 1997 Yamaha YZ250, 1998 Yamaha YZ125, 1998 Yamaha YZ250, 1993 Yamaha YZ125, 1994 Yamaha YZ250, 1995 Yamaha YZ250, and 1996 Yamaha YZ250.

Fitments:
1993 Yamaha YZ125 Base
1994 Yamaha YZ125 Base
1994 Yamaha YZ250 Base
1995 Yamaha YZ125 Base
1995 Yamaha YZ250 Base
1996 Yamaha YZ125 Base
1996 Yamaha YZ250 Base
1997 Yamaha WR250 Base
1997 Yamaha YZ125 Base
1997 Yamaha YZ250 Base
1998 Yamaha WR400F Base
1998 Yamaha YZ125 Base
1998 Yamaha YZ250 Base
1998 Yamaha YZ400F Base

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