SPK-3.5 Handlebar Speaker Leads (left and right)SPK 3. 5 Handlebar Speaker Leads are a left right lead set designed to run from the GP1 head unit to the 3. 5 inch handlebar speakers. Theyre made intentionally long so theyll work whether your speakers sit close to the head unit or further up the bars on taller ape hangers, then you simply trim them to the exact length your bike needs for a clean install. The speaker ends come terminated for an easy, correct connection at the pods. The head unit end