The featherlight, matte natural finish, carbon fiber composite ø6.5mm Topeak Feza Cage Tubular Carbon MTB MT16 offers high strength and optimized geometry for lighter weight. Includes two aluminum bolts ready to mount and enjoy on your ride.Topeak Feza Cage Tubular Carbon MTB MT16 Highlights-MATERIAL: Carbon fiber (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 / 5.75” x 3.3” x 3.3”WEIGHT: 15.5gDIAMETER: Fits standard water bottlesADDED FEATURES: Two aluminum water bottle bolts and T20 Torx® wrench included More info