Frequent chain drop or skips, especially when hitting bumps
Check derailleur alignment, chain tension. Limit screw adjustment per manual. Consider chain tensioner for severe rough use.
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Poor chain retention or shifting on bumps
Inspect alignment of derailleur. Confirm all bolts tight. Monitor chain length and lubricate for smoother shifts.Bike shifts poorly, chain skips gears or grinds teeth
Tune derailleur, tension cables, lubricate/replace chain or cassette if worn. Check for bent derailleur hanger.Shifts not smooth, skips gear, chain falls off
Inspect derailleur hanger for bends (see #1), re-adjust limits/tension, confirm cable routing.Cannot shift through all gears, chain drops or skips
Inspect derailleur hanger, realign or replace if bent. Adjust derailleur limits and cable tension as specified in ENVO documentation.Hanger bent from shipping/impact, causes poor shifting or chain drop
Inspect visually; gently bend back using derailleur alignment tool if slight; severe bends require replacing hanger (contact ENVO for part).