Spank Spike 35 Vibrocore Handlebar - 35mm Clamp 820mm 40mm Rise BlackSpank Spike 35 Vibrocore Handlebar 35mm Clamp 820mm 40mm Rise Black. Spike Vibrocore bars are the perfect compliment to your enduro park or downhill bike. Vibrocore is a proprietary biodegradable complex foam core of precisely controlled density. Injected into Spank Industries handlebars it reduces the harmful vibrations which can lead hand arm numbness and fatigue as well as arm pump while also increasing overall bar stiffness and fatigue life TECH
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