Join Date: Apr 2007
Location: western new york
Bikes: mid 80s Ross Centaur converted to Alfine 11 09 motobecane imortal force, 83 Ross Paragon,81 Schwinn LeTour Tourist, 91 Paramount, 93 GT converted to city bike
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Doing a blast from the past, I contacted a guy I knew from back in the day..Jim Langley.
Jim offered some pointers and tricks
(if the bike has horizontal dropouts,moving the wheel back a tad will give more clearence between cog and pulley wheel, Screw B tension screw all the way in -guess you can actually buy longer B tension screws to back the derailleur up even more, excess chain -I just installed a Sram 807-remove a link or two )
Anyway; Yes, Shimano IS WAYYY conservative with the ratings for their mid cage derailleurs.
With about 30 min of tweaking the 5501 climbed right up on the 30t and probably would have done so on a 32.
Ran the setup thru all 3 (11-26 12-28 13-30) wheels I now have for the bike and the 105 shifted beautifully every time.