Old 04-15-15, 01:36 PM
  #10  
squirtdad
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53 teeth may exceed the derailler capacity both max rings and range

tiagra 4603 is listed as max ring of 50 and max range of 20. A 53 ring exceeds both of these.

OP should check exact model and specs.

Some times you can run out of spec fine and other times you get goofiness
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