Look at the solution canyon has come up with on its spectral mountain bike with a cover plate that provides the neatness of internal cabling with the ease of use of external routing.
Internal cable routing mountain bike.
Internal routing isn t that much harder to re cable even in the absence of internal sleeves.
However replacing internal gear cables and brake hoses can be.
Internal cable routing on a road bike not only looks clean but also offers better aerodynamics.
Internal cable routing tips for mountain bikes.
Many bikes may look clean and simple these days with their tidy lines and hidden cables but the job of replacing those cables can be a nightmare if you re not familiar.
Internal cable routing is possibly one of the most daunting maintenance tasks of the modern bicycle and with good reason.
There is tubing specifically designed for this purpose and you basically snip the derailleur end off the old cable reverse feed the sleeve tubing along the cable until it pops out the next port in the frame.
Internal cable routing serves another purpose which is to protect the cables or wires in the case of electronic components from being snagged or severed in a crash or if the bike falls allowing the cable or wire to strike something.