Dętki rowerowe Force

12 1/2 x 2 1/4 (54/62-203). With 90 degree auto valve . Also used on individual prams, golf carts mm . The valve of 90 degrees makes it easier to pump the tube.​47-203121/2x13/4121/2x1,75 57-203121/2X21/4  62-203121/2x21/4121/2x21/4320x5767-203T  330x65.

Tube from Force with 48mm presta valve. The tube fits in 27.5" tires with a width of between 2.10 to 2.40.