Join Date: Feb 2007
Location: Mid Willamette Valley, Orygun
Bikes: 86 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds.
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Examine your chain for any stiff links. If they don't pivot easily, they could be trying to "run off into space" instead of dropping on the small ring. Lubing the chain might help?
What happens if you turn the L Limit screw in about 1/32 turn? IF it still shifts OK to the small ring, try repeating.....back off when it doesn't.
I probably drop my chain about once a month? Rare enough that it suprises me when it happens. When I first got this bike it had a lot of stiff links because the DRs were so maladjusted, it would throw the chain every direction (front & back) except into the spokes (thank God!) It had been jammed so many times, I probably didn't have a run of chain longer than 6 links before it had a stiff one. It was actually too long, so I was able to remove about3 of the worst offending linksets and with some side bending and working them back & forth, get the rest "functional".
From Sheldons pages-
" The easiest way to spot stiff/damaged links is to shift the bike into the small/small gear (the gear you should never actually ride in.) This gear has the chain at its slackest, and flexes it farther than any other gear, as it goes around the small rear sprocket and the derailer pulleys. Slowly backpedal while watching the chain as it feeds through the rear derailer, and you will usually be able to see the bad link jump."
BTW, what's the size differnce between the 2 smaller rings. Anything out of the ordinary.
Last edited by Bill Kapaun; 02-24-07 at 02:02 AM.