T. ROCK Theft Proof USB Bicycle Light (2000LM Q5 LED) (Black / Stainless) ***Sold as a kit. TO BE INSTALLED BY QUALIFIED MECHANICS ONLY*** Light weight design in T. ROCK is ideal for both commuters and enthusiasts. Super bright CREE 2000LM Q5 LED USB rechargable light Never have your lights stolen with T. ROCK. Universal design includes multiple clamps suitable for cycles with tubing from 1" up to 1 " in diameter.