Raleigh/Carlton Grand Prix: Replacing Gear Cables [Jagwire Stainless / Braided Outers]

The gear cables were more or less a straight swap and did not require modification like the brake cables. I swapped in my vintage Campagnolo Super Record gear-shifters during this job, so if you are planning to change your shift-levers or front/rear derailleurs then wait until you are ready to fit them before replacing the cables.

My Jagwire kit came with 10 alloy ferrules. I guess this number caters for mountain bikers, as I struggled to find places were they would fit and ended up using just two of them, where the cable exits the outer at the derailleurs.

REAR:

The only bit of adapting required was to the metal ring that holds the cable-outer at the rear derailleur. The original aperture was 5.4mm and needed boring out a tiny bit to 5.8mm to allow the Jagwire ferrule to fit [2nd pic]. The old outer had no ferrule and fitted straight in to the metal ring, but was quite loose and sat at a bit of an angle anyway, causing the outer to split.

FRONT:

The front gear cable required no modification at all. The outer has nothing to hold it in place here, it just stops at a metal disc with a small hole where the cable exits the outer. I used an alloy ferrule here, but it just sits flush and is free to move, with only the tension of the cable holding it in place. It wanted to sit at an angle, so a cable-tie helps keep it straight. In future I will attempt to 3D-print a bracket that clips around the frame and holds the ferrule in position.

Raleigh/Carlton Grand Prix: Vintage Huret Derailleur modified for alloy jockey-wheels

Old plastic jockey-wheels had only friction-bearings. They were seized and the teeth worn down from the chain rubbing over them. They were also making a massive racket.

New alloy jockey-wheels have sealed-bearings for smooth and quiet running. They come with plastic centre-shims of various diameter. These are the largest bore and still needed drilling out a bit with a 6.5mm bit to accept the vintage screw, which appears to be 1/4-inch rather than metric even though it is French made?

Lower cog fitted OK with the above bore mod and a washer to provide the correct width. The other cog, where the original plastic one had a much larger centre-bore to fit over the metal stud, needed more work.

The stud was cut off and filed flat with a bored-out M8 washer pressed in around it. The rigidity of the cog is provided by the metal bearing itself and is pretty solid.

Raleigh / Carlton Grand Prix 1979 Restoration Project

INDEX:

1. Alloy Wheels [27 x 1 1/4]

2. Continental Tyres

3. Head Stem Bearings

4. ACOR Jockey Wheels

5. San Marco Saddles

6. KMC X10 EL Chain

7. Maillard Comp. Freewheel

8. Maillard CXC Alloy Pedals

9. Jagwire Brake Cables / Outers

10. Fibrax Brake Blocks

11. DMR Seat Post

12. Jagwire Gear Cables

13. Campagnolo Gear Levers

14. Setting up the Huret Rear-Derailleur

15. Bottom Bracket / Crank Bearings