Schwalbe SV12 Inner Tubes are designed and manufactured to retain air pressure considerably longer than their competitors. Not only is each individual tube inflated and inserted into a mould to ensure that there is even wall thickness and excellent air retention, they are also stored under pressure for 24hrs to test air retention.

• Valve Type: Presta 40mm
• Model: SV12
• Price is for 2 tubes

Fits the following tyre sizes:

• 26 x 1.75 (47-559)
• 26 x 1-3/4 (47-571) 650 x 45C
• 27.5 x 1.35 (35-584) 650 x 35B
• 27.5 x 1.75 (47-584) 650 x 45B
• 26 x 1-1/4 (32-590) 650 x 32A
• 26 x 1-3/8 (37-590) 650 x 35A
• 26 x 1-5/8 (44-590) 650 x 42A
• 26 x 1-1/4 (32-597)