Features: Metal Ring firmly to frame. Size：25.4/28.6/31.8/34.9mm, optional. Professional design for cable housing guides. Suitable for brake cable, derailleur line, etc. Made of quality steel, high strength, anti-corrosion, not easy to rust. Specifications: Material: Steel Size: approx 42x25.4mm/44x28.6mm/46x31.8mm/48x34.9mm(optional) Package Includes: 1x Bike Cable Holder note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.