The Renthal 189U-420-50GRRD UltraLight Rear Chainwheel is a CNC-machined aluminum sprocket designed for powersports applications. It is manufactured from 7075 T6 aluminum and engineered for precise fitment, concentricity, and load dispersion. The rear sprocket features a grooved design, red finish, and 50 teeth for dependable chain engagement and power transfer.
Renthal uses computer engineering and testing to develop tooth profiling intended to support maximum power transfer. Its high-strength base material, manufacturing methods, and hardwearing surface treatment provide a lightweight rear sprocket solution. This model is listed for fitment on 1986-1988 Honda CR80R models and 2007-2009, 2012-2015 Honda CRF150R models. Manufacturer part number: 189U-420-50GRRD. Vendor part number: 189U-420-50GRRD.
Features:
- Brand: Renthal
- Product Type: UltraLight rear chainwheel
- Material: CNC-machined 7075 T6 aluminum
- Tooth Count: 50 teeth
- Chain Size: 420
- Finish: Red
- Design: Grooved rear sprocket
- Engineering: Computer engineered and tested for precise fitment, concentricity, and load dispersion
- Tooth Profiling: Designed to support maximum power transfer
- Fitment: 1986-1988 Honda CR80R and 2007-2009, 2012-2015 Honda CRF150R
- Manufacturer Part Number: 189U-420-50GRRD
- Vendor Part Number: 189U-420-50GRRD
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:
1986 Honda CR80R Base
1987 Honda CR80R Base
1988 Honda CR80R Base
1989 Honda CR80R Base
1990 Honda CR80R Base
1991 Honda CR80R Base
1992 Honda CR80R Base
1993 Honda CR80R Base
1994 Honda CR80R Base
1995 Honda CR80R Base
1996 Honda CR80R Base
1996 Honda CR80RB Expert Base
1997 Honda CR80R Base
1997 Honda CR80RB Expert Base
1998 Honda CR80R Base
1998 Honda CR80RB Expert Base
1999 Honda CR80R Base
1999 Honda CR80RB Expert Base
2000 Honda CR80R Base
2000 Honda CR80RB Expert Base
2001 Honda CR80R Base
2001 Honda CR80RB Expert Base
2002 Honda CR80R Base
2002 Honda CR80RB Expert Base
2003 Honda CR85R Base
2003 Honda CR85RB Expert Base
2004 Honda CR85R Base
2004 Honda CR85RB Expert Base
2005 Honda CR85R Base
2005 Honda CR85RB Expert Base
2006 Honda CR85R Base
2006 Honda CR85RB Expert Base
2007 Honda CR85R Base
2007 Honda CR85RB Expert Base
2007 Honda CRF150R Base
2008 Honda CRF150R Base
2009 Honda CRF150R Base
2012 Honda CRF150R Base
2013 Honda CRF150R Base
2014 Honda CRF150R Base
2015 Honda CRF150R Base
2016 Honda CRF150R Base
2017 Honda CRF150R Base
2018 Honda CRF150R Base
2019 Honda CRF150R Base
2020 Honda CRF150R Base
2021 Honda CRF150R Base