VibeRider Motorcycle Vibrator Seat Accessory "Miles of Smiles" Vibe Rider Vibrating Seat Accessories, Works with the RPM's of your engine the more you REV the harder it pulsates. Works on all motorcycles and fits in any seat. Fast and Easy Installation. Of course an On/Off switch for "selective passengers" Operate's with the RPM's of your engine. The more you REV the more she smiles