2 x bicycle tyres Kenda puncture-proof 28 x 1.5 inches (40-622) K-Shield including 2 tubes with Schrader valve. Robust reliable profile is suitable for the road, as well as for lighter surfaces of unpaved paths. Puncture protection: the protective layer is placed between the fabric and the tread. K-Shield is made from ceramic particles and aramid fibres. Fewer breakdowns reduce repair times and extend your fun of cycling. In addition, K-Shield reduces rolling resistance. - With special protective belt made of ceramic and Kevlar to protect against punctures - with multiple - wire core for a secure hold on the rim - with innovative trekking/touring - profile for smooth running - snappy grip and directional stability technical data tyres: tyre type: wire colour: black profile: K 935 size (inches): 700 x 38C 28 x 1.50 (ETRTO): 40-622 Weight (grams): 900g Pressure (Bar): 3.5-6.0 Pressure (PSI): 50-85 Puncture Protection / Finishes: K Shield 2 Pieces Seamless Black Dingo Tubes AV Talc Powder Coated Black Dingo Tubes are manufactured by the worlds leading bicycle tyre manufacturer to the strictest quality standards. They are characterised by their exceptionally high quality. Extremely air pressure stable. The rubber compound makes it possible: less air loss and pump less often. Extremely reliable. Each Black Dingo hose is tested for air retention at the factory. 28 inch - 28/47-609/635 (28 x 1.10 - 1.75) AV 40 mm - car valve 40-609 27 1 1/2 28-622 28 x 1.10 700 x 28C 30-622 28 x 1.20 700 x 30C 32-622 28 x 1.25 700 x 32C 37-622 28 x 1.40 700 x 35C 28 x 1 5/8 x 1 3/8 40-622 28 x 1.50 700 x 38C 4 x 2-622 28 x 1.60 700 x 40C 47-622 28 x 1.75 40-635 28 x 1 1/2 700 x 35/38B 32-630 27 x 1 1/4