See more: Inner tubes
15" Inner tubes, With steel offset valve, suitable for 170/80 - 200/70 - 180/70, Metzeler
Finest quality butyl tubes, hold air much longer than natural rubber as butyl is non-porous. Stock type 16" inner tubes are available with moulded rubber off-set valve, steel off-set valve as well as steel center valve as used on later Harleys.