Chinook Pro Alloy 150-212 Boom- Monocoque body, custom alloy, fully articulating head, absolute length markings, proven easy to use adjustment collars, positive snap-in skinny adapter, modern bend curve, etc. Chinook put it all in their new 2010 top end aluminum booms, except the price increase. Pro 1 Alloy booms have exceptional torsional rigidity and fit both standard and reduced diameter masts perfectly. The addition of absolute length markings on a generous 62cm tail-piece aid with rigging your sail properly. The rounded curve of the 150 model makes hand transitions during jibes, tacks, and the most advanced freestyle moves feel natural. Range: 150-212cm, Grip Diameter: 29mm - 1 1/8", Weight: 6 lbs, Inside Width: 41.25cm

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