Joined: Jul 2015
Posts: 7,495
Likes: 3,298
From: NW Oregon
Bikes: 1982 Trek 930R Custom, '91 Diamondback Ascent w/ XT, XTR updates, Fuji Team Pro CF road flyer, Specialized Sirrus Gravel Convert, '09 Comencal Meta 5.5 XC, '02 Marin MBX500, '84 Gitane Criterium bike
minor cable drag... a bent hanger... a loose derailleur... improper adjustment of the derailleur... bent or loose cassette sprocket... sticky or defective shifter... etc.....
check for cable drag first... since it's a new bike(Right?), then there might be a defect in the altus shifter, or that cable MIGHT be dragging some...
and i'dbe inspectingthe cassete REAL close, too... look for abent tooth... spin the wheel so that cassette spins, too... WATCH that offending cog REAL CLOSE, ok?
Last edited by maddog34; 08-07-17 at 11:29 PM.