Plastic

Full Twist Throttle with Key Ignition, Compatible with Ridstar Q20 Electric Dirt Bike, 3-Pin Waterproof Connector Ebike Throttle Kit, Fits 22mm Handlebars, Plug and Play. 【PLUG-AND-PLAY】This 3 pin full twist throttle features a waterproof connector for stable operation in rain or humidity; no complex wiring or soldering prevents short circuits and extends lifespan; tip: plug-and-play for Ridstar Q20/Q20 Pro/H20/H26 Pro; if not working after install, simply swap blue and brown wires to fix.