Description Aluminum Fixie Bike Helliot Harlem One of the lightest fixie on the market, just 7.5 kg! Frame and fork Aluminium 6061. Double wall aluminium rims, 40mm profile. Aluminium crankset, 170mm, 44D. Aluminium handlebars. Wheels: 28 inches with 40 mm profile and braking track (track bushings, rear flip-flop, includes sprockets). 700x23c tyres Pedals with reflectors. Helliot saddle with soft touch cover. Seat post: aluminium 25,4 mm. Sealed aluminium bushings. KMC chain. Front and rear brakes, double pivot alloy. Double Sprocket: Fixed and Free Size: one size (1,55-1,80) Homologated for the European Community.