Originally Posted by
splithub
To me it looks like 406. I don't understand the derailleur choice, mid-long MTB on a 11-25 RR cassette? Should change gears poorly in the slow range.
For folding bikes, XO derailleurs are my favourate ones so far. They work quite well, almost as well as RED.
Light, fast, good look, relatively cheap, rare, so why not?
