The featherlight, matte natural finish, carbon and Kevlar® carbon fiber composite ø6.5mm tube cage offers ultimate strength and optimized geometry for lighter weight. Includes two aluminum bolts ready to mount and enjoy on your ride.Key Features:Material: Carbon and Kevlar® composite fibers(Note: Due to the unique manufacturing process, there may be surface roughness (voids) on some parts. This is normal and will not affect the performance or strength of the Feza Cage.)Size: 14.6 x 8.4 x 8.4 cm / 5.75x 3.3x 3.3Weight: 15.5gDiameter: Fits standard water bottlesAdded Features: Two aluminum water bottle bolts and T20 Torx® wrench included