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Rubena Pram/Bike 12 1/2" Inner Tube Presta Valve FV33 N07

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Rubena Brand 12 and 12 1/2" x1.75-2.5" Pram/Bike Presta Valve Inner Tube for Isla Bikes Rothan Balance Bike

  • This size is most often used on children's bikes particularly the Isla Bike Rothan balance bike
  • Presta valve type (AKA French Valve or High Pressure Valve).
  • Reinforced dual thickness tube/valve interface to prevent punctures.
  • Standard weight butyl rubber construction.

These innertubes are compatible with the following ETRTO tire sizes:

12" x 1.5" = ETRTO 37-203

12" x 1.75" = ETRTO 44-203

12" x 1.8" = ETRTO 47-203
12" x 1.95" = ETRTO 50-203
12" x 2.0" = ETRTO 52-203
12" x 2.1" = ETRTO 54-203
12" x 2.125" = ETRTO 55-203
12" x 2 1/4" = ETRTO 57-203
12 1/2" x all the sizes shown above


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

About Rubena

Rubena are one of Europe€™s leading specialist producers of bicycle tyres and inner tubes. First known as Rubena in 1947 this company has a rich history and is based in the Czech Republic. All of Rubena's products are strictly quality controlled and they have a great range which means they can offer some of the more obscure bicycle and children's pram inner tubes and tyres which aren't always available from other producers such as bent/90 degree valve options. Thank you Rubena for solving quick a few problem for cyclists and parents!




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