Lightweight, low friction plastic, twin gear cable guide for underside of frame Bottom Bracket.These inexpensive guides are ideal for those traditionalists who prefer to use split outer gear cables and run up to 2 exposed gear inner wires under the BB.Designed to fit with 'English type' BB shell diameters.Includes M5 screw fitting. (older type bike BB axles may allow adequate space between the BB and the loose ball BB axle for nut & bolt fitment - or rivet fitting.)Low friction nylon material.M5 Screw fitting included.Accepts up to 2 gear inner wire cables.Compatible with English type BB shell diameters.