HIGHSIDER 207-013 Indicator Stem Extension 27 mm for Indicators with M8 bolt, BlackHIGHSIDER turn signal extension, 27 mm extension for turn signal with M8 threaded bolt, black. Tailor made for your bike the extensive range of accessories from HIGHSIDER is perfectly tailored to your bike. With a maximum of quality and functionality you can easily design your bike according to your wishes. Dimensions: Extension: 27 mm Diameter with sleeve: 14 mm Thread M8 x 1. 25, Length: 21 mm Scope of supply: 1 pair