The Michelin AirStop A4 inner tubes have good puncture resistance and an excellent price / quality ratio, which is supported by Michelin's impeccable reputation 
 Valve French / Presta 
 
 Different sizes: 
 Race: 28 Inch / 622 ETRTO / 700 x 18 / 25c in Valve sizes: 40mm, 52mm, 80mm 
 MTB: 29 Inch / 622 ETRTO in Valve size: 40mm 
 City: 28 inch / 622/635 ETRTO / 700 x 35/47 B&C in Valve size: 40mm