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    • Onza SA3 MTB Tube

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        • $7.49 7.49
        • RRP $9.49
        • Save 21%
    • Select Valve
      Select Wheel Size
      27.5" (650b)
      Select Width
      1.75 - 2.2"
      1.9 - 2.35"

Onza SA3 MTB Tube

Onza Tires’ inner tubes are available either with a lightweight Presta valve that handles high pressures well or a Schrader valve.

The latter, rugged variety is known from cars and allows you to adjust the tire pressure at any gas station. 

Inner tubes are part of the rotating mass, and therefore they should be as lightweight as possible. But they also have to be plenty tough as a flat easily eliminates any gain in time. Additionally, thicker inner tubes are being used during practice. This is why Onza Tires offers its BMX inner tubes in two wall thicknesses, the ones for road bikes in three and the ones for mountain bikes even in four varieties. That way, you have the freedom of choice. So, what would you like?


  • Thickness: 0.8mm
  • Valve: Presta
  • Weight: 170g (26"), 185g (27.5"), 200g (29")

Buy Onza Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.

  • Delivery cost $9.99
  • Delivers toUnited States of America
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or fitted.

    More information on returns
  • Pay by Bank Transfer, PayPal or Card


  • Wheel Size: 29", 26", 27.5" (650b)
  • Width: 1.9 - 2.35", 1.75 - 2.2"
  • Valve: Presta

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