12 x 2 125 inner tube straight valve Trottinette 50-4 fitted to a 4

50-4 fitted to a 4 inch rim

The off-centre design makes the valve easier to access when inflating

including both tubetype and tubeless-ready designs

95 (47-254)

40 (60-406)

12 x 2 125 inner tube straight valve Trottinette 50-4 fitted to a 4List of Compatible Tyre Sizes These 12 inch bike inner tubes are designed to fit tyres ranging from 1. 75 to 2. 125 inches in width. If the size printed on the sidewall of your tyre appears in the list below, you can order these inner tubes with complete confidence. 12x1. 75 (47 203) 12x1. 75 (44 203) 12x1. 85 (47 203) 12x1. 90 (47 203) 12x1. 95 (54 203) 12x2. 00 (50 203) 12x2. 10 (54 203) 12x2. 125 (57 203) If your tyre size is not listed above,