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The LifeLine 27.5"/650B MTB Inner Tube is a high-quality component that fits 27.5/650B" MTB wheels and 1.75 - 2.5" tyres. LifeLine inner tubes are air leakage tested for reliability.
Available in store
This mountain bike inner tube has a nickel-plated Presta valve, 1mm butyl walls and a threaded stem with lock ring.
27.5" x 2.1"- 2.5" Presta 48mm; ETRTO: 54/64-584