Renthal 420-52P Rear Sprocket, 89-90/96-97 Kawasaki KX100, 191U-420-52GEGN

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 191U-420-52GEGN UltraLight Rear Chainwheel is a CNC-machined rear sprocket made from 7075 T6 aluminum. Its lightweight aluminum construction is stated to be 66% lighter than steel, helping reduce unsprung weight while maintaining the strength required for powersports use. The sprocket features a grooved design, green finish, and a 420 chain size with 52 teeth.

Computer engineering and testing are used to support precise fitment, concentricity, and load dispersion. The tooth profile is designed to provide efficient power transfer, while the hardwearing surface treatment helps support durability in demanding riding conditions. Renthal manufactures these rear sprockets using high-strength material and precision machining methods.

This sprocket fits select Kawasaki KX80, KX80 Big Wheel, and KX100 applications, including 1991-1994 KX80 models, 1991-1994 KX80 Big Wheel models, the 1995 KX100, and the 1995 KX80. The manufacturer part number is 191U-420-52GEGN, and the vendor part number is also 191U-420-52GEGN. Confirm the model year and application before installation.

Features:

• Brand: Renthal
• Model: UltraLight Rear Chainwheel
• Manufacturer part number: 191U-420-52GEGN
• Vendor part number: 191U-420-52GEGN
• Chain size: 420
• Tooth count: 52
• Material: CNC-machined 7075 T6 aluminum
• Weight advantage: Stated to be 66% lighter than steel
• Design: Grooved rear sprocket
• Finish: Green
• Fitment: 1991-1994 Kawasaki KX80
• Fitment: 1991-1994 Kawasaki KX80 Big Wheel
• Fitment: 1995 Kawasaki KX100
• Fitment: 1995 Kawasaki KX80

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: t
Units Per Sku: 1
Fitment:
1988 Kawasaki KX80 Base
1989 Kawasaki KX80 Base
1990 Kawasaki KX80 Base
1991 Kawasaki KX80 Base
1991 Kawasaki KX80 Big Wheel Base
1992 Kawasaki KX80 Base
1992 Kawasaki KX80 Big Wheel Base
1993 Kawasaki KX80 Base
1993 Kawasaki KX80 Big Wheel Base
1994 Kawasaki KX80 Base
1994 Kawasaki KX80 Big Wheel Base
1995 Kawasaki KX100 Base
1995 Kawasaki KX80 Base
1996 Kawasaki KX100 Base
1996 Kawasaki KX80 Base
1997 Kawasaki KX100 Base
1997 Kawasaki KX80 Base
1998 Kawasaki KX100 Base
1998 Kawasaki KX80 Base
1999 Kawasaki KX100 Base
1999 Kawasaki KX80 Base
2000 Kawasaki KX100 Base
2000 Kawasaki KX80 Base
2001 Kawasaki KX100 Base
2001 Kawasaki KX85 Base
2002 Kawasaki KX100 Base
2002 Kawasaki KX85 Base
2003 Kawasaki KX100 Base
2003 Kawasaki KX85 Base
2004 Kawasaki KX100 Base
2004 Kawasaki KX85 Base
2005 Kawasaki KX100 Base
2005 Kawasaki KX85 Base
2006 Kawasaki KX100 Base
2006 Kawasaki KX85 Base
2007 Kawasaki KX100 Base
2007 Kawasaki KX85 Base
2008 Kawasaki KX100 Base
2008 Kawasaki KX85 Base
2009 Kawasaki KX100 Base
2009 Kawasaki KX85 Base
2010 Kawasaki KX85 Base
2011 Kawasaki KX100 Base
2011 Kawasaki KX85 Base
2012 Kawasaki KX100 Base
2012 Kawasaki KX85 Base
2013 Kawasaki KX100 Base
2013 Kawasaki KX85 Base
2014 Kawasaki KX100 Base
2014 Kawasaki KX85 Base
2015 Kawasaki KX100 Base
2015 Kawasaki KX85 Base
2016 Kawasaki KX100 Base
2016 Kawasaki KX85 Base
2017 Kawasaki KX100 Base
2017 Kawasaki KX85 Base
2018 Kawasaki KX85 Base
2019 Kawasaki KX85 Base
2020 Kawasaki KX85 Base
2021 Kawasaki KX85 Base