Bell GT6 Pro RD-4C Helmet - Titanium Size:2X-Large (63-64) If you need a connector

If you need a connector

The flange is sealed at the manifold with an O-ring

and feed port LS641001ERL or equiv

and more diverse

Larger version of No Springs Required (NSR) Thumpr design for 5

Bell GT6 Pro RD-4C Helmet - Titanium Size:2X-Large (63-64) If you need a connectorThe GT6 RD 4C features the same modern and aggressive design as the HP6 RD 4C, developed for racers in closed car environments, featuring a wide eyeport for extended vision with a lightweight premium carbon glass shell. The closed face GT6 RD 4C integrates the latest technology from ZeroNoise including advanced electronics, input for earpieces, and noise canceling microphone to assure outstanding performance, sound insulation and communication