Description
If you’re running a KTM 85 SX and want measurable gains in acceleration without adding rotational mass, the Renthal Ultralight Rear Sprocket delivers. At 66% lighter than steel, this CNC-machined 7075-T6 aluminum sprocket improves throttle response and handling while the self-cleaning mud grooves keep power transfer consistent in tough conditions. For riders serious about lap times and durability, this is a precision upgrade that actually performs.
- Tooth Count: 48T
- Chain Size: 428
- Material: 7075-T6 aluminum alloy
- Weight Advantage: 66% lighter than steel
- Construction: CNC-machined
- Finish: Corrosion-resistant silver
- Self-Cleaning Design: Mud grooves per tooth
- Mounting Position: Rear
- Installation: Bolt-on compatible
- Fitment: KTM 85 SX (verify year)
- MPN: 441U-428-48GPSI
