I have a Brompton P line with an ATS speed drive fitted. It is quite noisy, but the sound is coming from the cassette / chain tensioner I think. It was also quite noisy before I changed over the crankset.
Anyone got any ideas to help troubleshoot this or what it may be?
View: https://www.youtube.com/watch?v=m23B3qOk1mo
Anyone got any ideas to help troubleshoot this or what it may be?
View: https://www.youtube.com/watch?v=m23B3qOk1mo