Shimano Dura-Ace RD-7400 6 Speed Blog Header

Shimano Dura-Ace 7400 6 Speed Rear Derailleur My Favourite Piece of Kit

What do you call it? Do you say Rear Derailleur, Rear Mech, Rear Mechanism, ‘Mech’ or just ‘Gears’… they are all names to describe the mechanism typically controlled by a spring and cable that derails the chain and moves that chain out of one gear and into the next. I’m sure everyone has their favourite model and I am no exception; I’ve never tried to hide my love of Shimano, so my all time favourite rear derailleur has to be the Shimano Dura-Ace 7400. Even though it has a simple job to fulfill, the introduction and continued innovation of the rear derailleur has always been at the forefront of bicycle technology and the RD-7400 was in my opinion the start of the modern technology revolution.

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SB7393 1985 SBDU Ilkeston Reynolds 531 Professional

SB7393 SBDU Ilkeston Raleigh Reynolds 531 Professional 1985 – Stripdown

Now that Eroica Britannia is out of the way and work on SB4059 is complete (for now), I can turn my attention to looking at SB7393. This is a complete Reynolds 531 Professional SBDU bike that I bought a couple of weeks ago. Each part of this bike could cause problems, and now was the time to open the toolbox and see what was in store for me.

SBDU Ilkeston SB6827 1984 Reynolds 531c Transfers

SB6827 SBDU Ilkeston Raleigh Reynolds 531c 1984 Road Bike Unridden Condition – New Arrival

Sometimes when I see a bike that someone else owns I feel a little pang of jealousy, I can’t help it. And that is exactly how I felt nearly two years ago when I was first sent images of SB6827. The images were of a beautiful SB bike, it was original, the red paint was gleaming and all the Super Record parts were in perfect condition – I was then told that it had never been ridden and my jealousy feelings went off the scale.

SB4059 1980 TI-Raleigh Reynolds 753 Team Pro Campagnolo Super Record Brakeset

SB4059 1980 SBDU Ilkeston TI-Raleigh Team Pro Reynolds 753 Replacement Brake Cables

It’s been a while since I’ve written anything about this bike. SB4059 is my original bike, number #1 in the collection, the bike that started the blog and the search for SBDU knowledge! One day I hope to say SB4059 is finally finished and today, it takes one step closer.