Renthal 46-Tooth 441U-428-46GPSI UltraLight 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.

The Renthal 441U-428-46GPSI UltraLight rear chainwheel is a CNC-machined aluminum sprocket designed for powersports applications. It features 7075 T6 aluminum construction and is engineered for precise fitment, concentricity, and load dispersion. Its tooth profiling is designed to support efficient power transfer, while the hardwearing surface treatment helps provide durable performance.

This rear sprocket is listed to fit 2005–2008 KTM 85 SX (19/16) models, 2009–2011 KTM 105 SX models, 2017–2020 Husqvarna TC85 models, and the 2023 GasGas MC85. Verify the vehicle year, model, wheel configuration, and sprocket specifications before installation. The manufacturer part number is 441U-428-46GPSI, and the vendor part number is 441U-428-46GPSI.

Features:

• Brand: Renthal
• Model: UltraLight Rear Chainwheel
• Manufacturer part number: 441U-428-46GPSI
• Vendor part number: 441U-428-46GPSI
• Construction: CNC-machined 7075 T6 aluminum
• Tooth count: 46 teeth
• Chain size: 428
• Finish: Silver
• Design: Grooved rear sprocket with tooth profiling for power transfer
• Fitment: 2005–2008 KTM 85 SX (19/16), 2009–2011 KTM 105 SX, 2017–2020 Husqvarna TC85, and 2023 GasGas MC85

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:
2005 KTM 85 SX (19/16) Base
2006 KTM 85 SX (19/16) Base
2007 KTM 85 SX (19/16) Base
2008 KTM 85 SX (19/16) Base
2009 KTM 105 SX Base
2010 KTM 105 SX Base
2011 KTM 105 SX Base