Name: Carbon Fiber Bottle cage Diameter: 72mm Weight: 22~30g Weave: 3k,/UD Clear ... Fork Rim, Head Set, Handlebar, Saddle, Seat Post, Stem, Water Bottle Cage, etc. we have design team, can devise carbon frames ... and are elites from TANWAN enterprise, young, passionate, creative and Vitality Toughness, carry out strict manufacturing engineering and quality controling.