It might be hamfistedness , but the amount of times i have broken and seen others break that little screw in bit from a Presta tube points to a major inadequacy in the design
That said , bikes off the shop floor I'd say a 50/50 split with hi end usually being Presta
Mike
That said , bikes off the shop floor I'd say a 50/50 split with hi end usually being Presta
Mike