175 & 190 Inner Tube Set for Pneumatic Tires

Replacement tube for the 165mm/175mm/190mm tires

Suggested tire pressure: 

175mm* 50mm : 30 P.S.I / 207 KPa

190mm* 50mm : 24 P.S.I / 165 KPa

165mm* 65mm cyclone racing tires: 20 P.S.I / 138 KPa