You can do it on a single-speed but not fixed. BTF rules state that you must have a free-wheel and two brakes fitted. Also don't forget that you've gotta plug your bar ends if they aren't already.
@trnk started
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You can do it on a single-speed but not fixed. BTF rules state that you must have a free-wheel and two brakes fitted. Also don't forget that you've gotta plug your bar ends if they aren't already.