I FLY Posted August 20, 2013 Share I have a bee in my bonnet regarding rotor rings - I fitted a set to our tandem a few years ago but then sold the bike before I had time to ride with them. Now I see that they have a single speed rotor ring listed on their website. I am keen to try one out but cannot figure out how it would keep the chain at a constant tension. I have sliding dropouts on my SS. Has anyone had any experience with this chainring? Link to comment Share on other sites More sharing options...
V12man Posted August 20, 2013 Share I have a bee in my bonnet regarding rotor rings - I fitted a set to our tandem a few years ago but then sold the bike before I had time to ride with them. Now I see that they have a single speed rotor ring listed on their website. I am keen to try one out but cannot figure out how it would keep the chain at a constant tension. I have sliding dropouts on my SS. Has anyone had any experience with this chainring? Speak to Naas at Evobikes - or PM him here. Link to comment Share on other sites More sharing options...
NINER_boy Posted August 20, 2013 Share Hi I FLY I have a rotor crank and Qring on my Niner SS. It works like a charm, you just need to set chain the tension at the "biggest" part of the Q ring, and whoilla. Yes, the tension "ups" and "downs" as the Q ring rotates, but not enough for chain drop.I have been riding like this for over 12months, and NEVER dropped a chain. Just check the tension as time goes by, because the chain will "wear" and give more slack. See attached pic Link to comment Share on other sites More sharing options...
Cycho Posted August 20, 2013 Share The guys run them very successfully (I admit I also want to give it a try on my SS). The concerns around the tension on the chain are actually unfounded when you study it closely - tension varies very minimally through the stroke, and not enough to even come close to throwing it off. Often we forget that the high spot that puts the tension on the chain, also pushes the chain forward and tensions when in the low spot of the stroke! Link to comment Share on other sites More sharing options...
I FLY Posted August 20, 2013 Share Thanks for the feedback. Now the urge to get one is even greater. I have sent Naas at Evobikes an enquiry. Link to comment Share on other sites More sharing options...
EVOBIKES ONLINE STORE Posted August 20, 2013 Share Just got round to mails! - replied. Link to comment Share on other sites More sharing options...
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