Велоінструмент Birzman Wskaźnik Ustawienia Haka Przerzutki BM16-DHCG

If your gear drop is slightly off, even the best adjustment won't fix bad shifting. With a gear drop adjuster, you can accurately measure if your gear drop is crooked and adjust it to perfection. It is easily screwed onto the gear drop at one end and the dipstick can then be extended to measure if your gear drop is crooked. It can be used on wheels... щеthat are between 20-29" in size.