e*thirteen patent pending Flip-flop roller gives riders the chainguide security that they need, and the ability to run two front chainrings with a derailleur. Winner of online and print magazine chainguide shootouts as well as consumer awards. New improved, soft durometer roller, that makes our superb Dual Ring Security guide system even quieter.
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I have a VP free and got an evil dual ring guide and bash guard. The guide is as far up (i.e. close to the frame) as possible, but find when I hit a rock (like while riding at Northstar) the guide gets knocked up agaisnt the frame and bash guard. Is this common or a problem with the fit of the guid ... Read More »