Join Date: Aug 2005
Location: Pittsburgh, PA
Bikes: '''96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '12 Surly Pacer, All are 3x8,9 or 10. It is hilly around here!
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You DON'T want to weaken the derailleur springs as the shifting would suffer badly. The derailleurs rely on spring tensio to position the cages over the cogs or chainrings. You must have your shifters tight enough to avoid moving under the spring tension and if that makes them hard to move, so be it.
Sun Tour made their Powershifters with a one-way ratchet to make friction shifting easier. If you can find a set of these they will help.