Compatible lights: MJ-808E, MJ-808U,MJ-816E, MJ-816U, MJ-818, MJ-856, MJ-868 * Quick release handlebar bracket with 2 soft rubber pads of different thickness to fit almost all bars * Bike light basement included to compatible with different Magicshine Light * Designed as high quality lightweight * Works for most handlebar with diameter less than 26mm, not working for 31.8mm handlebar