Premium Aluminum Alloy Bike Seatpost Clamp 28.6mm/31.8mm/34.9mm - Durable MTB Seat Tube Clamp for Mountain & Road Bikes - Secure Bike Saddle Clip for Cycling, Commuting & Outdoor Adventures

28.6mm seatpost clamp fit for 25.4mm seatpost 31.8MM Seatpost Clamp fit for 27.2/28.6mm seatpost34.9MM Seatpost Clamp fit for 30.9/31.6mm seatpostMaterial: Aluminium AlloyColor: blackDiameter: 28.6/31.8mm/34.9mm Height:11mmWeight: 23g(34.9mm) Packing: 1 x Bike Seatpost ClampNote: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different2.Due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different