I post a video on youtube. This video is easy to understand. https://youtu.be/EgukZREWemI
– My friend’s tiagra 4600 front dreilleur does not shift. When i watched a video, i made an action to try to solve the problem and when i opened i see a plastic is moving freely. Is this front dreilleur solveable? And how can i do?
by drkemankesh