Front Derailleur Misbehaving

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beancounter

Well-Known Member
Location
South Beds
Yet another "what's that all about" question.

Riding yesterday, the front mech wouldn't shift the chain on to the big chain ring. Or rather, it would, but as soon as the shift lever returned to the rest position, the mech shifted the chain straight back on to the small chain ring.

If I kept the shifter held right over (i.e. in the shift position) the mech stayed in the right place, but it wouldn't stay there when I let go of the shifter.

Something broken inside the shifter? (Shimano 105).

bc
 

discplayer

New Member
Location
Norwich
I had a simillar problem last year (http://www.cyclechat.co.uk/forums/showthread.php?t=12974) which adjustments just wouldn't solve. That did turn out to be the shifter.
 
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