Renthal 520-40T UltraLight Rear Chainwheel 130U-520-40GBSI

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 130U-520-40GBSI 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 a precise fitment, concentricity, and load dispersion. Its tooth profiling is designed to support efficient power transfer.

Renthal states that this rear chainwheel is 66% lighter than steel, combining a high-strength base material with cutting-edge manufacturing methods and hardwearing surface treatments. The sprocket features a 520 chain size and 40 teeth.

This Renthal rear chainwheel fits the 2001–2005 Yamaha YFM660R Raptor and the 1989–1993 Yamaha YFM350X Warrior. Manufacturer part number: 130U-520-40GBSI. Vendor part number: 130U-520-40GBSI.

Features:

• Brand: Renthal
• Model: UltraLight Rear Chainwheel
• Size: 520 chain size with 40 teeth
• Material: CNC-machined 7075 T6 aluminum
• Construction: Engineered for precise fitment, concentricity, and load dispersion
• Tooth profile: Designed to provide maximum power transfer
• Weight claim: 66% lighter than steel, according to the manufacturer
• Finish: Hardwearing surface treatment
• Fitment: 2001–2005 Yamaha YFM660R Raptor
• Fitment: 1989–1993 Yamaha YFM350X Warrior
• Manufacturer part number: 130U-520-40GBSI
• Vendor part number: 130U-520-40GBSI

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
Fitment:
1989 Yamaha YFM350X Warrior Base
1989 Yamaha YFS200 Blaster Base
1989 Yamaha YFZ350 Banshee Base
1990 Yamaha YFM350X Warrior Base
1990 Yamaha YFS200 Blaster Base
1990 Yamaha YFZ350 Banshee Base
1991 Yamaha YFM350X Warrior Base
1991 Yamaha YFS200 Blaster Base
1991 Yamaha YFZ350 Banshee Base
1992 Yamaha YFM350X Warrior Base
1992 Yamaha YFS200 Blaster Base
1992 Yamaha YFZ350 Banshee Base
1993 Yamaha YFM350X Warrior Base
1993 Yamaha YFS200 Blaster Base
1993 Yamaha YFZ350 Banshee Base
1994 Yamaha YFM350X Warrior Base
1994 Yamaha YFS200 Blaster Base
1994 Yamaha YFZ350 Banshee Base
1995 Yamaha YFM350X Warrior Base
1995 Yamaha YFS200 Blaster Base
1995 Yamaha YFZ350 Banshee Base
1996 Yamaha YFM350X Warrior Base
1996 Yamaha YFS200 Blaster Base
1996 Yamaha YFZ350 Banshee Base
1997 Yamaha YFM350X Warrior Base
1997 Yamaha YFS200 Blaster Base
1997 Yamaha YFZ350 Banshee Base
1998 Yamaha YFM350X Warrior Base
1998 Yamaha YFS200 Blaster Base
1998 Yamaha YFZ350 Banshee Base
1999 Yamaha YFM350X Warrior Base
1999 Yamaha YFS200 Blaster Base
1999 Yamaha YFZ350 Banshee Base
2000 Yamaha YFM350X Warrior Base
2000 Yamaha YFS200 Blaster Base
2000 Yamaha YFZ350 Banshee Base
2001 Yamaha YFM350X Warrior Base
2001 Yamaha YFM660R Raptor Base
2001 Yamaha YFS200 Blaster Base
2001 Yamaha YFZ350 Banshee Base
2002 Yamaha YFM350X Warrior Base
2002 Yamaha YFM660R Raptor Base
2002 Yamaha YFS200 Blaster Base
2002 Yamaha YFZ350 Banshee Base
2003 Yamaha YFM350X Warrior Base
2003 Yamaha YFM660R Raptor Base
2003 Yamaha YFS200 Blaster Base
2003 Yamaha YFZ350 Banshee Base
2004 Yamaha YFM350 Raptor Base
2004 Yamaha YFM660R Raptor Base
2004 Yamaha YFS200 Blaster Base
2004 Yamaha YFZ350 Banshee Base
2005 Yamaha YFM350 Raptor Base
2005 Yamaha YFM660R Raptor Base
2005 Yamaha YFS200 Blaster Base
2005 Yamaha YFZ350 Banshee Base
2006 Yamaha YFM350 Raptor Base
2006 Yamaha YFS200 Blaster Base
2006 Yamaha YFZ350 Banshee Base
2007 Yamaha YFM350 Raptor Base
2008 Yamaha YFM350 Raptor Base
2009 Yamaha YFM350 Raptor Base
2010 Yamaha YFM350 Raptor Base
2011 Yamaha YFM350 Raptor Base
2012 Yamaha YFM350 Raptor Base
2013 Yamaha YFM350 Raptor Base