Discover the Arundel Tri Clamp – a game-changer with its unique "V-block" design and convex inside surfaces. It guarantees a snug fit for any seat post, be it round or aero shaped, while providing easy access to your bottles. All this at a budget-friendly price. - Weight: 117 grams without cages - Hardware included for a round or aero post - Cages not included Part Number: TC2009-01 Barcode: 729440174408 Product Code: ARU A TRIC