Ordinary plastic C-shaped buckles can be used together, and the surface must be wiped clean before pasting There is a double-sided adhesive sticker on the back, which can be used to route the smooth paint surface of the horizontal, sitting post, frame, etc.It can be applied to curved surfaces or planes, and it is not limitedEasy to fix the wiring, easy to install, good news for DIY modified riders colour: blackMaterial: aluminum alloy + plasticPackage Contents: 5*Bicycle line pipe thread guideOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.