. There will be no aerodynamic advantages to using such a wheel (its a single speed after all) aerodynamics are discountable unless your reachin 25 mph approx.
Whether it is s/s or fixed is of no importance only the gear your pushing. Surely a fully qualified mechanic would know that? ;-)
Whether it is s/s or fixed is of no importance only the gear your pushing. Surely a fully qualified mechanic would know that? ;-)