Smart Sam The Smart Sam is an almost all-purpose bicycle tire that feels at home both on and off the road. The modern, robust profile ensures pleasant rolling behavior, while the angled outer studs provide optimum grip. This corded tire is equipped with an Addix rubber compound and weighs in at 730 grams. Maximum load is 110 kg and tire pressure varies between 2.00 and 4.00 bar. With an EPI of 67 and HS476 profile, the Smart Sam is an excellent choice for a variety of applications. Product specifications: Size: Etro 54-622 (28/29 x 2.10 inches) Type: thread tape Rubber mix: Addix Execution: Performance Color: black Skin: Lite Weight: 730 grams (26 oz) Tire pressure: 2.00 - 4.00 bar (30 - 55 psi) Max. Tax: 110 kg Ear: 67 Profile: HS476 Inner tubes: 19, 19a, 19f