No experience of Arkose, but if you go with your roadrat, clutch derailleur not essential, I run 1x10 with 105 rear derailleur and a RaceFace narrow / wide chainring, hasn't dropped the chain so far. It's surprising how few gears actually get used, haven't had any problems so far.
No experience of Arkose, but if you go with your roadrat, clutch derailleur not essential, I run 1x10 with 105 rear derailleur and a RaceFace narrow / wide chainring, hasn't dropped the chain so far. It's surprising how few gears actually get used, haven't had any problems so far.