If you ride with 26" wheels, u will need a bigger gear ratio to ride fixed/singlespeed in order to have a decent urban top speed.... however the bigger the ratio the harder to skid and do stuff with your rear wheel.... which is the best thing about riding fixed.... without that control, or ability to skid you may as well be riding any old bike that you just can't stop pedaling on! Also, if it has vertical drop-outs just don't bother
If you ride with 26" wheels, u will need a bigger gear ratio to ride fixed/singlespeed in order to have a decent urban top speed.... however the bigger the ratio the harder to skid and do stuff with your rear wheel.... which is the best thing about riding fixed.... without that control, or ability to skid you may as well be riding any old bike that you just can't stop pedaling on! Also, if it has vertical drop-outs just don't bother