Impac inner tubes are brilliant value for money. They’re manufactured by Schwalbe (the world’s leading bike tube manufacturer) and come with many of the associated benefits but without the cost of the big brand name. When you want performance but without the price go for Impac.

Inner Tube Size: 700 x 28 - 47c (ETRTO: 28/40-622/635)

Fits tyre sizes:

700 x 28c (28-622) 28 x 1.10

700 x 30c (30-622) 28 x 1.20

700 x 32c (32-622) 28 x 1.25

700 x 35c (37-622) 28 x 1.40

700 x 38c (40-622) 28 x 1.50

700 x 40c (42-622) 28 x 1.60

700 x 45c (47-622) 28 x 1.75

27 x 1/14 (32-630)

700 x 38b (40-635) 28 x 1 1/2

Inner Tube Valve Type: Schrader or Presta Valve 40mm. Fully threaded valve stem with locknut. (Presta valve has non-removable valve core).