I took my bike in for a tune up and new derailleur a few weeks ago. After getting the bike back I noticed later that night that chain would not stay in gear and kept slipping out. Returned the bike a few days later to see if they could fix the problem. I was very happy with the customer service of the staff. My bike was looked at right away and the bike mechanic was very helpful in fixing the problem . Worked on it and let me test it out in the parking lot until the problem was solved (turned out the gear sprockets were worn out).
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