Impac 27.5" Inch X2 INNER TUBE PRESTA Valve 40/60-584 MTB Mountain Bike 650B
Impac is produced by Schwalbe, These Impac inner tubes are made from high quality butyl material, butyl is an elastic and airtight synthetic rubber. All Impac inner tubes are 100% recyclable and are produced using 20% recycled old tubes.