Rear wheel offset measurement needed

[scarfacehugo]

Just checked my rebuilt wheel and using the same method it's 51mm

Cheers for that, mate!

[Paul-S]

Cheers for that, mate!

I have an original set of wheels with TKCs on and the rebuilt (spokes only) wheels with K60s on and they are exactly the same. Have the rebuilt ones on now

They were built by a guy who is local to me

[scarfacehugo]

The problem with mine was that I took the rims and the hubs disassembled over to them, so they couldnt measure the the std "dish". Maybe being too lazy to check it in the book, they missed it by 6mm. Doesnt seem a lot, but when you look at the rear of the bike you don notice it straight away.

Although they sat they do quite a lot of these and they find it hard to believe...

I'm taking the wheel over to them this Friday.

Cheers, you lot for helping me sort this out.

[scarfacehugo]

Just came back from Hagon's where they swear the "dish" they use on my rear wheel is the same they've always used on every other well the've built so far. I asked them to move the rim 6mm to the sprocket side.

Their words were: "You can have this adjustment free, but if you come back to re-do it, we're gonna have to charge you". Fair enough...

I came back, fitted the wheel with no tyre to the swingarm, measured it...



...52mm



They've got their "dish" wrong and refuse to believe me.

Just one other thing, the wheel as they left it in the first time would rub on the right side of the plastic wheel cover (big plastic part that houses the battery and holds the wiring) right under the coolant reservoir.

[thetimkirby]

Surely, if the dish is wrong, the tyre will not be on the centreline of the bike. The bike will then have to lean or crab to steer straight. This is a bit worrying, as I was about to send my front wheel to Hagon for a new rim and spokes. Perhaps the best thing is measure the original first, and send the old one still assembed.

Thanks for flagging this one Hugo, could have saved me much aggro.

Tim

[Treadtrader]

Not a good ad for Hagons.

I have a pal with his own wheel business.....

M&B Wheels 01584 881433 Terry or Mick. Lives in Frith Common, Worcestershire, off A443

Not very local for most but really knows his stuff.

I and three pals have had AT wheels built by him without any pproblems.

Glad you've got yours sorted now.

[scarfacehugo]

Just trying to clear this up.

I build customs bikes for a living but I dont build wheels. I could, if I set my mind to it, but I consider it an science of its own and to do it properly you really need to specialize in it. I rather pay someone to do it, so that I can focus doing other stuff that I like best.

Maybe I should rephrase what I wrote earlier in another post.
The "dish" they used in my absolutely stock wheel doesnt align the tyre with the frame IN MY BIKE.
They insist they've used the same procedure thousands of times using the same measurement (they measure it from the sprocket side) with no complaints so far.

I dont know where they took the info from and I'm not saying that's wrong.
I'm just saying it does not work in my 95 RD07.

I would really like to clear this up and thank anyone who's considering getting their wheels redone by Hagon to measure it and post it before taking it to them.

It's a matter of "public health", so who wants to be the "needle"?

[Yeti]

Just trying to clear this up.

.......but I dont build wheels. I could, if I set my mind to it, but I consider it an scinece of its own and to do it properly you really need to specialize in it.

I have built push iron wheels for many a year and often thought about having a go with the old MC but never had the need. I know a guy who used to do both and assured me there is very little difference, everything is just bigger and actually easier to get a MC wheel round and true as the tolerances are slightly larger and are nowhere near as noticable.

Wheel builders will always remain a bit vague as it is a pain in the arse to explain how to do it, and why not let people believe you are gifted with some otherworldly skill! it has worked with faith for years!! ....and keeps one in a job!! whato tip top old bean!

Good wheel building is actually a bit of an art but more voodo magic than most would believe. The basic principles are very basic and as long as a few simple rules and steps are followed the rest is just tweaking your technique and 'feel' for the wheel as you build it.

It is this last bit that takes the time and experience. The more wheels you build the more of a feel you have for how it is going to behave (particularly if you are using different combinations of hub and rim with unknown spoke lengths) at an earlier stage allowing correction before it gets difficult. Without experience it just means you may get further into it and have to go backwards and forwards further, which is frustrating and time consuming. It is this that is the 'crux'.

I am seriously thinking about rebuilding my own wheels and having them checked before use just to see if the principles differ any. The biggest pain in the arse is going to be making a wheel jig as I dread to think how much a bought one costs. I'll let you know how I get on as and when I get round to it. did you like that........! round......get it?!!

hat........coat...........TAXI!!

[scarfacehugo]

Ok, maybe my brain is a bit slugish today, but what you've just written is what I tried to resume earlier.

I do build motorcycles, fit engines in frames,TIG weld, Mig weld,braze, fabricate wheel spacers in the lathe, handlebar risers in the milling machine, space the wheels in the forks and swingarms so the caliper mounts fit the disc,build and route electrical wiring through handlebars and frame, fabricate oil tanks and build rigid copper oil lines to the engine, enlarge and strech petrol tanks, tune carbs , rebuild engines, gearboxes and more recently I started to fabricate parts in Carbon fiber, but please...please...please...
...dont ask me to fill, primer, paint and build wheels... That is something that I've spent years doing AND I JUST DONT HAVE THE PATIENCE ANYMOOORE!!!!!

How many climbers go back to the same summit they've conquered before??

[Yeti]

Ok, maybe my brain is a bit slugish today, but what you've just written is what I tried to resume earlier.

probably but I'm stoopid! .........just saying its not really that much of a science.

I do build motorcycles, fit engines in frames,TIG weld, Mig weld,braze, fabricate wheel spacers in the lathe, handlebar risers in the milling machine, space the wheels in the forks and swingarms so the caliper mounts fit the disc,build and route electrical wiring through handlebars and frame, fabricate oil tanks and build rigid copper oil lines to the engine, enlarge and strech petrol tanks, tune carbs , rebuild engines, gearboxes and more recently I started to fabricate parts in Carbon fiber,..........

.........you are just bone idol!