Schwalbe Big Apple Performance Wired Tyre with Raceguard Endurance Reflex 890 g (60-622) - 28 x 2.35 Inches 26 x 2.15 Inch RaceGuard Cruiser Bicycle TireAir suspension built-in.The Big Apple started off the Balloon Bike trend more than ten years ago: Comfortable cycling without using complicated technology!Air cushion tyres are used as natural suspension. Inflated to around 2 Bar a Balloon Bike rolls really easily with a similar effect to full suspension.A normal tyre with a width of 37mm must be inflated to a rock hard 4 bar in order to roll similarly well.Dynamo Compatible: With dynamo ribbing for extra grip.E-Bike: motor assist up to 25 km/h loads and average speeds are higher we only recommend certain tyres as E-Bike Ready 25.RaceGuard(R): Double layer of Nylon fabric under the tread. Excellent puncture protection for a tyre that should be fast and lightweight.Balloon bikes: Air suspension built-in.Performance Line: Excellent quality for intensive use. These are the best value for money tyres.Weight: 495g (20") 675g (26")ETRTO:SCC020: 50-406 SCC0200: 55-406SCC0205: 50-507SCC021: 50-507SCC022: 55-559SCC023: 50-622