27.5 Presta Inner Tube 27.5 650B x 1.75, 1.95, 2.0, 2.1, 2.125, 2.2, 2.3, 2.4

(Also known as 650B Size - Found mainly on newer Modern Mountain Bikes). Presta Valve (Narrow Valve). HIGH QUALITY INNER TUBE. after being placed within the suitable wheel and tyre. Any tube inflated outside the tyre will only withhold a small fraction of the normal pressure.

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