Renthal 520R1 13/50 Standard - Ultra-Light Self-Cleaning Rear Sprocket Chain kitRef : RT00373A / 3042809

RENTHAL 520R1 Chain Kit 13/50 Standard - Ultra-Light Mud-Resistant Sprocket (Manufacturer Ref: 484995): a set designed for motocross riders seeking a lightweight setup specifically engineered for muddy conditions. Comprising a 520 R1 chain in gold/black finish and an ultra-light rear sprocket made of mud-resistant treated aluminum, this kit adheres to RENTHAL standards for off-road transmission.

• Type: RENTHAL 520R1 Chain Kit
• Pitch: 520
• Sprocket: Ultra-light aluminum, mud-resistant profile
• Chain: Standard quality, gold/black finish, non-sealed (non-o-ring)
• Teeth: 13/50 (sprocket/sprocket)
• Application: Motocross

The mud-resistant design of the sprocket minimizes dirt and debris buildup between the teeth, making cleaning easier and maintaining performance in off-road conditions. The non-sealed chain requires regular maintenance: lubrication and tension checks are recommended after muddy or dusty rides.

Main reported compatibilities: KAWASAKI KX 250 (KX252B 2020, KX252A 2019) and KAWASAKI KX 250 F (KX252A 2018) — please verify your reference and the number of teeth before installation.