Join Date: Nov 2004
Location: Danville, Ca
Bikes: Yeti DJ Custom build. X.9, Marzocchi, RaceFace, Gamut, DT, Truvativ, Michelin, Hope.
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No, you cannot use a hayes caliper on a Shimano Dual Control lever. You cannot mix shimano parts with hayes. Shimano's brakes use mineral oil for hydraulic fluid, and Hayes uses DOT 4 fluid. Mixing either will produce not-so-good results. The Shimano lever will also have a different sized piston in the lever, which would push more or less fluid for X inches of lever pull than the hayes.
I would take the El Caminos over the Shimano brakes. I do not like the dual control lever, I find that they are too easy to accidentally shift while riding, and it is flexy. The Shimanos do however modulate quite nicely.
I think the hayes are much better looking, you have more shifter options, and the lever is stiff and more adjustable. It still depends on the riding you will be doing.