"Beans Baxter" <[Only registered and activated users can see links. ]> wrote in message
news:Xns94E45C3FAF36C8675309OU812@204.127.204.17.. .
> I have a Panasonic DX-4000 that's in very good condition with what I
> believe are the original Shimano 105 components (with Biopace!). The
> shifters and brakes work well but I'd like to have more than 6 speeds to
> choose from on the rear and STI seems like it would be nice to have.
>
> I'm wondering if it would be feasible to upgrade to a 9 speed setup with
> brifters. From what I can tell, I can keep my brakes and I'm assuming
> that the front derailer can stay but the rear might not have the range.
> Also, I believe I'd have to get a new rear hub, right? So, by my
> estimation, I'd need brifters, a rear hub, a rear derailer, a 9 speed
> chain and a 9 speed cassette.
>
> Anything else I'm missing?
>
> Am I crazy for thinking of doing this?
>
> Any general opinions on the Panasonic DX-4000?
>
> Thanks,
> Beans Baxter
No, I think it is a good idea. Piece it together on ebay and you will have
what you want. I upgraded my bicycle a few years ago and it turned out to
be a great decision. The Panasonic is a good bike.