Spark R&D Whammy Bars voile-switchback they are detachable so only

they are detachable so only screw them on when you need them

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Bright red LEDs (light emitting diodes)

Downhill Performance

Surge straps offer a stiffer snug feel for more control on downhill performance

Spark R&D Whammy Bars voile-switchback they are detachable so onlyImpress your friends with your climbing bar deployment steeze. This retrofit climbing wire with a side arm lever (ie: whammy bar, of course) replaces your stock climbing wire for quick change high to low to stowed action. Use your touring pole to flip the Whammy Bar down for 12, then down again for 18. Flip the bar back up to stow. Weights: Whammy Bar 1. 5oz pr (42. 5g) Standard One Wire 1. 3oz pr (36g)