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Very nice Nick, look forward to seeing the end result.

I don’t know what I was so worried about @sbbohr, the non drive side seal popped out easy peasy, complete contrast to the drive side.

Problem now is, the bike runs pretty rough in first and second. Everything is greased up as it should and the chain indicator as as per it should be. As soon as you slot it into third, it runs like a hot knife through butter. Any ideas?

I use SRAM 9 speed sprockets for the larger one, using either a 16 or 17T. Not sure about a 12T tho.

Any update, Nick?

https://www.sjscycles.co.uk/hub-spares/sturmey-archer-outer-dustcap-hsa102/

Took about an hour of Googling before I could find the part number. I did also read somewhere that they can be an arse to fit when new. I have had similar issues in the past on weather seals on classic Mini brake calipers. They can be a right bugger to fit!

But to replace them you need to remove the weather seal. They're made of a thin metal and if you distort one whilst removal to gain access to the bearing race, you will have trouble pressing it back into the hub shell (or driver if you're doing the drive side ones).

Thanks Ryan.

Did the drive side the other day, huge difference from before. I suppose that's 10,000 miles for you, even with cleaning the bearings up as best you can and whacking in new grease, it's not the same as new bearings.

Any idea where you can buy replacement seals?

edit messed up the ‘in reply to’ bit!! @sbbohr

Does anyone know if it's possible to replace the non drive side bearings on a BWR hub without removing the internals? Obviously with the axle in situ it'll be hard to remove the metal weather seal and I don't really want to destroy it in the process as I can't seem to find replacements online.

Thanks for searching for old posts, but for me to be a small I’d have to slice myself in half vertically and still probably have to lose weight.

Ha ha ha

Put the baby in the shed.

This ^ or a dab of washing up liquid.

I remember when they were £400 new.

Could have been the piston getting stuck in the lever with some brute force braking. Did the lever/s go floppy?

Oh dear.

If he doesn't want this, I'd be interested in taking it.

You can buy a new one here if you have no luck : https://www.velozone.co.uk/products/campagnolo-ec-ch329-complete-left-shifting-lever

https://www.tradeinn.com/bikeinn/en/sram-spare-parts-kit-road-hydro-muelle-palanca-maneta/136336150/p?queryID=d9bd2c5625e8cf8e74791e95f5846307&buscador_search

It’s a known issue, the piston gets stuck. A relatively easy fix if you’re mechanically minded. Take a look at this vid from SRAM themselves. I find the hardest part is reinstalling the circlip at the end.

https://youtu.be/z36N0M1sWw0

Do you end up with a floppy lever? Might not be obvious as the spring in the shifter could stop it from doing this.

I think you might be right there, however they’re still easy to strip down. Might just need a damn good clean up?

They are completely serviceable, depending on type. What have you got?

You'll need a FH-BUU015X1 freehub. About £60 and upwards.

Has anyone ever actually punctured the front???