BILTWELL Bonanza Helmet - Metallic Champagne - Small 1001-328-202 Nucleon KR-TB Tailbone Protector 5N/M@3700rpm with Tune

5N/M@3700rpm with Tune

Feature proper port angle and matched-length rear headpipe design that produces even performance from each cylinder

Thinner and lighter than prior model

Replacement chin vent frame for Alpinestars Supertech M8 and Supertech M10 helmets

with no need for remapping

BILTWELL Bonanza Helmet - Metallic Champagne - Small 1001-328-202 Nucleon KR-TB Tailbone Protector 5N/M@3700rpm with TuneInjection molded ABS outer shell with hand painted finish Expanded polystyrene inner shell Hand sewn, removable, brushed Lycra liner with contrasting diamond stitched, quilted, open cell foam padding Rugged, plated steel D ring neck strap with adjustment strap end retainer