Schwalbe SV12B Presta Tube - 650B & 26" Tyres - 20-590 to 25-590, 25-584 to 28-584

£3.99 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
Schwalbe tubes are designed & manufactured to retain air pressure considerably longer than their competitors. Not only is each individual tube inflated & inserted into a mould to ensure that there is even wall thickness & excellent air retention, they are also stored under pressure for 24hrs to test air retention. Valve length of 40mm for Standard version. Weight 90g.

Applicable Tyre Sizes:
20-590 - 26 x 3/4 - 650 x 20a
25-590 - 26 x 1.00 - 650 x 25a
25-584 - 650b x 25b
28-584 - 650b x 28b
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Questions & Answers (3)
I have 650b tyres that are 40mm width. Will this tube fit ok?
02 Oct 2020
Hello, Please use the ETRTO code on the tyre to confirm tube compatibility. This is usually found on the tyre sidewall and is a two-digit number followed by a three-digit number. Please confirm this prior to ordering a tube to fit.
I have 650Bx30mm tyres will Schwalbe SV 12b 650Bx36 tubes fit
31 Jul 2019

For your tyres we would actually recommend the standard SV12 tubes which are part number 13007.

Thanks. 01/08/19
Which inner tube??
31 Jan 2019
Got a road bike with 650b wheels and 28mm road tyres. Which inner tubes do I require?

yes it will fit, alternatively you can opt for 38398

many thanks