asked by: a guest i have a cheap 21 speed mountain bike and I need a new front deriller. Is there a low cost model that doesnt require me to break chain. The bike is 20 years old
A.
anwered by: jackivey I don't know of one.
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asked by: chieco I have a shimano tourney FD-C051 BM that I'm looking to upgrade. Would this be a good
A.
anwered by: canteau It looks like the Shimano Tourney FD-C051 is a bottom swing front derailleur and the Altus M313 front derailleur is a top swing which sits higher on the frame.
The 2 are interchangeable but you might run into clearance issues with bottle cage bosses or changes in seat tube shape.
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