ALPINESTARS GP Plus R v4 Leather Jacket - Black/Black - US 48 / EU 58 3100524-1100-58 old 104-0077 Radius Style Threaded 5/16-18

104-0077 Radius Style Threaded 5/16-18 Long Length Steel Bungs by TC Bros

and cone with a built in high powered Neodymium tweeter into the mix to create even more high end output

full-range sound

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ALPINESTARS GP Plus R v4 Leather Jacket - Black/Black - US 48 / EU 58 3100524-1100-58 old 104-0077 Radius Style Threaded 5/16-18Race derived sport leather jacket with a revised silhouette has a modernized look and refined detailing. Three main differences in the GP Plus R v4 are: A CS Plus stretch material, GP R Lite extended elbow armor, and new modernized graphic A CS Plus stretch material is Alpinestars composite stretch found in the large side panels of the jacket A CS Plus MotoGP derived material technology provides increased stretch, high abrasion resistance, higher tear