Thank you very much for your reply. On my client bike there was 9s casette with 11-36t. I have changed it to 11-50t 11speed cassette. Speed senspor was my first thought, but it seems to be ok, especially that the bike works on crowns form 1-9 but speed sensor fault shows only on the two biggest...
Hi guys,
some time ago i've change cassette in one of my clients bikes, bike brand is MAXBIKE and it was originally on 9speed cassette and my client wanted 11s. After upgrading bike throws 21 error, but only when riding on two biggest crowns. After consulting manufactuer of the bike i have beed...