Chromag Clutch Revolution Bikes July 16, 2015 Chromag Grips Chromag Clutch The waffle tread is specifically shaped to the fingers and oriented for traction in varied conditions. The diameter is narrow at 30mm with an extra wide format at 146mm overall. It features our special tacky compound based on 25a durometer. Weighing in at 100g /pair. Chromag grips feature our unique ‘Split-Teardrop’ end clamp which effectively covers the bar end while still utilizing a true pinch-clamp for the best purchase to the bar. Overall length 142mm. Colours: Black with Black ends. For more information please contact your local dealer. Or us directly from our contact page.