Renthal mudguard steel 307 - 420 Output sprocketRef : RT00005A / 1041990

The RENTHAL steel mud-resistant sprocket 307 - 420 (manufacturer reference: 307--420-13GP) is designed for motocross practices where mud and extreme conditions put the transmission to the test. Precision machined, this sprocket offers a sought-after compromise between strength and lightness to keep a 420 chain well-guided during intensive sessions.

• Mud-resistant: specific profile to facilitate mud evacuation and limit clogging between the teeth.
• Material: treated steel to withstand shocks and wear from aggressive terrains.
• Configuration: 13 teeth, 420 pitch, type 307 sprocket — suitable for demanding competition and leisure setups.
• Practical advantage: optimised weight compared to original parts without sacrificing longevity.
• Usage: recommended for motocross and competition where transmission reliability is crucial.

Whether you are tackling a muddy special stage or looking for a responsive start, this RENTHAL sprocket contributes to a cleaner and more consistent transmission. Check compatibility with your chain and sprocket before installation. Frequently equipped models: HUSQVARNA CR 125 (2008/2014) and KTM 65 SX (2011).