0
votes
2answers
36 views

SRAM X4 MTB Rear Derailleur H-Limit screw maximum open, but still on 7th Cog?

I own a 6 months old Rockrider 5.2 mountain bike. Everything was great until recently I noticed that the Rear Derailleur of my bike doesn't reach the highest gear cog, which is 8th. Its always stuck ...
3
votes
1answer
400 views

Should I remove the chain before installing new rear derailleur?

I want to put a new Sram X7 instead of killed one, should I open the chain (if I have no chain lock) or it's better to open the derailleur?