Need Recommendations For Front Derailleur, please

Discussion in 'Mountain Bikes' started by kokopuffs, Jun 29, 2003.

  1. kokopuffs

    kokopuffs Guest

    I have a '94 Rockhopper 21 speed mtb with chainrings of 28, 38 and 48 teeth. The bike has a SHIMANO ALTUS A20 front derailleur that I would like to replace with a SHIMANO LX.

    The problem is this:

    The Shimano manufacturer's spec sheet mentions that the "MINIMUM DIFFERENCE BETWEEN TOP AND INTERMEDIATE [chainrings] IS 12T". And on my bike the difference is only 10T. If the LX is installed on my bike, will I experience shifting problems due to being "out of spec"?
     
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  2. kokopuffs

    kokopuffs Guest

    Correction, the chainrings have 26, 36 and 46 teeth each.
     
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