Bicycle Tubes and Tyres

Bike Tyre Sizes & Inner Tube Sizes

12" x 1.75                                         24" x 1 3/8
12" x 1.95                                         24" x 1.5
12" x 2.125                                       24" x 1.75
                                                        24" x 1.95
13" x 3.0                                           24" x 2.125
                                                         24" x 1.0
                                                         24" x 4.0

14" x 1.75                                         26" x 1 3/8
14" x 1.95                                         26" x 1.0
14" x 2.125                                       26" x 1.25
                                                        26" x 1.5
16" x 1.75                                         26" x 1.75
16 x 1.95                                          26" x 1.95
16" x 2.125                                       26" x 2.0
16" x 2.5                                           26" x 2.1
                                                        26" x 2.125
18" x 1 3/8                                        26" x 2.35
18" x 1.75                                         26" x 4.0
18" x 1.95                                        
18" x 2.125                                       27" x 1.0
18" x 2.5                                           27" x 1 1/4
                                                        27" x 1 3/8
20" x 1.0
20" x 1 1/8
20" x 1 3/8                                        29" x 2.0
20" x 1.5                                           29" x 2.1
20" x 1.75
20" x 1.95                                        
20" x 2.125                                       700 x 19C
20" x 2.35                                         700 x 23C
20" x 4.0                                           700 x 25C
                                                        700 x 28C
22" x 1 3/8                                        700 x 32C
22" x 1.75                                         700 x 35C
22" x 1.95                                         700 x 38C
                                                    
28" x 1 1/2                                        27.5 x 1.9
                                                        27.5 x 2.0                                                    
                                                        27.5 x 2.125
                                                        27.5 x 2.3