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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.
Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1
The Renthal UltraLight Rear Chainwheel is a CNC-machined rear sprocket made from 7075 T6 aluminum. This black chainwheel features a 420 chain size and 50 teeth, with a lightweight aluminum construction designed to reduce weight compared with steel sprockets.
Computer engineered and tested for precise fitment, concentricity, and load dispersion, the chainwheel uses tooth profiling to support efficient power transfer. Its high-strength base material, advanced manufacturing methods, and hardwearing surface treatment are designed for demanding powersports use.
This rear chainwheel is listed for the 2025 KTM 65. The manufacturer part number is 518U-420-50GPBK, and the vendor part number is 518U-420-50GPBK.
Features:
- Brand: Renthal
- Model: 2025 KTM 65
- Product type: UltraLight rear chainwheel
- Material: CNC-machined 7075 T6 aluminum
- Chain size: 420
- Tooth count: 50
- Finish: Black
- Manufacturer part number: 518U-420-50GPBK
- Vendor part number: 518U-420-50GPBK
- Fitment: Listed for the 2025 KTM 65
Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1