The ONOFF HELIUM series embodies everything you’re looking for in mountain bike components. Maximum performance to easily overcome the most technical XC terrain, exclusive aesthetics, the best materials, and of course the highest level of technology.
Made for the most demanding Cross Country bikes and races, HELIUM encompasses the lightest components with a truly minimalist design.
One of the lightest flat carbon handlebars on the market, the Helium Carbon ACL 0.0 is 750mm wide and weighs only 115 grams. Then there’s the lightest stem in the HELIUM series, weighing in at just 76 grams (50mm) and made of ultralight 3D 7050 aluminium.
HELIUM; ONOFF's series of carbon handlebars, carbon seatposts and aluminium stems, tested under the most demanding of conditions for no-compromise Cross Country riding.