MTX 1344 Hornet Lightweight Steel Front Sprocket #520 size:13 Tooth as explained in the manual

as explained in the manual of your helmet or visor

Leather used as additional reinforcement

Plated carbon steel body

1mm Hypalon-reinforced webbing points

Double homologation P/J

MTX 1344 Hornet Lightweight Steel Front Sprocket #520 size:13 Tooth as explained in the manualMTX Hornet front sprockets are a lightweight performance alternative to OEM sprockets. Featuring self cleaning mud grooves between the teeth for extended chain and sprocket life, with lightening holes to reduce rotational mass the Hornet series is designed for champions. CNC machined from case hardened Chromoly steel and fully heat treated for maximum strength and durability. Fully heat treated for maximum strength and durability Lightening holes