MTX 251 Hornet Lightweight Steel Rear Sprocket #520 (11H-428)

MTX Hornet sprockets are a lightweight performance alternative to OEM sprockets. Featuring self-cleaning mud grooves between the teeth for extended chain and sprocket life and lightening holes to reduce rotational mass, the Hornet series is designed for champions. MTX Hornet Sprockets are CNC machined from case-hardened Chromoly steel and fully heat-treated for maximum strength and durability.

Features:

• CNC machined from case-hardened Chromoly steel.
• Fully heat-treated for maximum strength and durability.
• Lightening holes reduce rotational mass.
• Presentable clamshell for an excellent presentation.
• Special coating counters corrosion and provides wear resistance.

Specifications:

• Pitch: 520
• Teeth: 47