Old 09-17-13, 11:33 AM
  #5  
joejack951
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This Stronglight tandem crank comes stock with 51/39/30 chainrings and a 110 BCD, and it appears as though you can swap out rings for a small additional fee as well: http://www.spacycles.co.uk/products....id=m2b2s109p15

Stronglight does make a 110 BCD 53T chainring too: http://www.spacycles.co.uk/products....d=m2b2s149p296

Any cheap, flat 26T chainring will do the trick for the rest.
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