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.
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!