Renthal 420-50P 50-Tooth Rear Grooved Sprocket, Model 192U-420-50GPSI, Part Number 192U-420-50GPSI

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 rear sprocket made from 7075 T6 aluminum. Its lightweight aluminum construction is designed to reduce weight compared with steel while maintaining the strength required for powersports use. The sprocket features computer-engineered tooth profiling intended to support precise fitment, concentricity, load dispersion, and efficient power transfer.

This silver Renthal rear grooved sprocket is identified as model 192U-420-50GPSI and part number 192U-420-50GPSI. It is designed for fitment on 1998–2007 KTM 65 SX models, including the 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, and 2007 KTM 65 SX. Verify the model year and application before installation.

Renthal combines high-strength aluminum, precision CNC manufacturing, and hardwearing surface treatments in this rear chainwheel. The 420-50P tooth configuration is suited to the listed KTM 65 SX applications and provides a direct replacement option for compatible rear sprocket setups.

Features:

• Brand: Renthal
• Model: 192U-420-50GPSI
• Part Number: 192U-420-50GPSI
• Product Type: UltraLight rear chainwheel
• Material: CNC-machined 7075 T6 aluminum
• Finish: Silver
• Configuration: 420-50P, 50-tooth rear grooved sprocket
• Fitment: 1998–2007 KTM 65 SX

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:
1998 KTM 65 SX Base
1999 KTM 65 SX Base
2000 KTM 65 SX Base
2001 KTM 65 SX Base
2002 KTM 65 SX Base
2003 KTM 65 SX Base
2004 KTM 65 SX Base
2005 KTM 65 SX Base
2006 KTM 65 SX Base
2007 KTM 65 SX Base
2008 KTM 65 SX Base
2009 KTM 65 SX Base
2010 KTM 65 SX Base
2011 KTM 65 SX Base
2012 KTM 65 SX Base
2013 KTM 65 SX Base
2014 KTM 65 SX Base
2015 KTM 65 SX Base
2016 KTM 65 SX Base
2017 KTM 65 SX Base
2018 Husqvarna TC65 Base
2018 KTM 65 SX Base
2019 Husqvarna TC65 Base
2019 KTM 65 SX Base
2020 Husqvarna TC65 Base
2020 KTM 65 SX Base
2021 Husqvarna TC65 Base
2021 KTM 65 SX Base