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Here's another one for the resident techno-boffins (thanks for all the advice on bottom bracket and Magura issues from my previous posts).
Another piece of unloved old-school technology I'm clinging to is my Shimano Flightdeck computer. Don't ask me why since I now have GPS, but there it is.
My question is this: mine is the old version with the wired fitting kit, and I've just bust one of the shifter sensors so have ordered a new fitting kit, but this time it's wireless.
Will this be compatible with my existing head unit, or would I need a wireless-compatible head unit as well?
Yes it will be compatible, the only thing that's not reverse compatible is the 9 speed units can't display 10 speed.
Flight Deck's making a come back for 2009 with Dura Ace 7900, although they were a faff to fit I think they're a neat bit of kit.
There are currently 2 wireless kits, one for 9 and one for ten speed. AFAIK you cannot use the 10 speed kit on 9 speed levers and vice versa. If you are running 9 speed levers you need SM6501 and 10 speed needs SMSC70.
Just checked the tech docs and the plate that attaches to the lever is different between the fitting kits.
[url= http://techdocs.shimano.com/media/techdocs/content/cycle/EV/bikecomponents/SM/EV-SM-6501-1951C_v1_m56577569830609231.pdf ]SM-6501[/url]
[url= http://techdocs.shimano.com/media/techdocs/content/cycle/EV/bikecomponents/SM/EV-SM-SC70-2314_v1_m56577569830609245.pdf ]SM-SC70[/url]
Aye, but the head units are interchangeable, as long as you've got the fitting kit to suit the levers.