Features: Aluminium alloy material, high quality, long service life. Convenient design, simple installation. 31.8mm clamp fit for 27.2/28.6mm seatpost. 34.9mm clamp fit for 30.4/30.8/30.9/31.6mm seatpost. We will ship from real UK warehouses,dispatch in 0-1 days,fast and efficient shopping experience, as well as brand quality assurance for you. Description: Brand:GUB Model: CX-18(31.8mm)/CX-49(34.9mm) Material: Aluminium alloy Colors: Black/red Size: 31.8mm, 34.9mm Weight: approx 40g.
eBay