Measure the rim width, a 19mm rim will take a 2.25" tyre if the bike stay width allows. If the rim is 21 mm or more you can fit fatter/wider tyres.
26" is also 559mm ISO standard sizing.
Measure the rim width, a 19mm rim will take a 2.25" tyre if the bike stay width allows. If the rim is 21 mm or more you can fit fatter/wider tyres.
26" is also 559mm ISO standard sizing.