What model 105 is that? Is that for a compact crank? I bet of you go to a LBS and find some cruddy old late '80s suntour like a Sprint or LePree you Troubles will be over.
Haven't been to Salt lake in years! I spent a week out there with my reserve unit and got some nice riding in.
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk