Direct replacement chin vent for Alpinestars SM5 helmets

Technical specifications:

It is easily mounted without modifications - Plug & Play When it's at its best

Halkfri sula

which improves brake response and stability while driving

S&S CYCLE ROCKER ARMS RLR 66-84 900-4320A Tapered Dual-Compound Grips Direct replacement chin vent forMachined from 8620 forged steel and heat treated for maximum strength, Feature the exclusive . 750" long S&S rocker arm bushing which provides 50% more load bearing surface than stock . 500" bushings, Can be oiled through pushrods when used with S&S Shovelhead style tappet guides and pushrods, Compatible with stock and S&S billet Shovelhead style rocker boxes, Some clearancing may be required when using stock rocker boxes, Set includes two each front