Originally Posted by
NoviceJohn
I think you have a misunderstanding of my question. If i don't have cyclocomputer, how would I (myself, the rider) know to slow down if I don't know how fast I was going? For example, in a motor vehicle, you have a speedometer that tells you how fast you're going. So when a cop pulls you over for speeding, there's no excuse because you have a speedometer (or indicator) to let know you how fast you were traveling. For a cyclist who doesn't have s speedometer (cyclocomputer), there's no indicator to let you know your current speed.
In which case it would be illegal for you to cycle on the regulated streets in the case you actually yet unknowingly exceeded the speed limit. Ignorance of the law (or your breaking it) is no defense. Basically the answer to you question is you must have some way of complying with the law, so you must have a cycle computer to properly ride on the streets.