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MTB 27.5" / 650B Wide Inner Tube Presta - From £2.80


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27.5" x 2.1-2.6" MTB Inner Tube Presta Valve. Also 650bx54-66

  • This size is most often used on wider XC/cross country, trail and all-mountain bikes.
  • Presta valve type (AKA High Pressure Valve or French Valve).
  • Threaded valve stem with security ring prevents rattling on the rim and makes pump attachment easier.
  • 30mm length valve suitable for most standard depth rims up to 20mm.
  • Reinforced dual thickness tube/valve interface to prevent punctures.
  • Std weight butyl rubber construction.
  • Weighs 250g.

These innertubes are compatible with the following ETRTO tire sizes:

Imperial Sizes

27.5" x 2.1" = ETRTO 54-584
27.5" x 2.2" = ETRTO 56-584
27.5" x 2.25" = ETRTO 57/58-584
27.5" x 2.3" = ETRTO 59-584
27.5" x 2.35" = ETRTO 60-584
27.5" x 2.4" = ETRTO 61-584
27.5" x 2.5" = ETRTO 64-584
27.5" x 2.6" = ETRTO 66-584

Metric Sizes

650x54b = ETRTO 54-584
650x56b = ETRTO 56-584

650x59b = ETRTO 59-584
650x60b = ETRTO 60-584
650x61b = ETRTO 61-584
650x62b = ETRTO 62-584
650x63b = ETRTO 63-584
650x64b = ETRTO 64-584
650x65b = ETRTO 65-584
650x66b = ETRTO 66-584

Click to find out more about ETRTO tyre sizing and whether this is the right tube for your bike. 

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