Inner tubes for all tokyobike models - please select your model from the drop down 'size' menu. If you read the sidewall of your tyre you can find the size or contact the store if you are unsure.
650 x 23 - 25c (23/25-571) - suitable for Sport, CS (650C version) and 650c Single Speed models. 48mm long presta valve.
20 x 1 - 1 1/8 inch (28-451) for Mini Velo model. Schrader valve
16 x 1.5-1.75 inch (47-305) for little tokyobike model. Schrader valve
For more information regarding tyre and inner tube sizing, please read our post here.