RENTHAL Sprocket - Honda - 13-Tooth 256--520-13GP Tech 5 Boots Direct replacement side chin vents

Direct replacement side chin vents for Alpinestars SM5 helmets

synthetic material on the collar for enhanced comfort

Double-walled mounting brackets

Stainless steel cables with clear coating offer that custom look without the fear of damaging areas that the cables come in contact with

RENTHAL Rear Sprocket - Aluminum - 40 Tooth 224U-520-40GPSI

RENTHAL Sprocket - Honda - 13-Tooth 256--520-13GP Tech 5 Boots Direct replacement side chin ventsCNC machined from case hardened and core refined 655M13 nickel chromium steel Machined self cleaning mud grooves at each tooth to prevent mud buildup help increase wear resistance Ultralight design has a 10 15% weight savings