Jeff Wills wrote:
> Etaoin Shrdlu <[email protected]
> wrote in message news:<[email protected]
>> Jasper Janssen wrote:
>>> On Tue, 10 Jun 2003 09:21:13 +0100, "panda" <[email protected]
>>>> I have a nexus 7spd, and some time ago purchased a different size cog for the hub. question is
>>>> , how easy is it to change these things?
>>> IIRC, Nexus use the same cog attachment as Sturmey Archer have used for a long time (ie, three
>>> fairly small halfmoon bumps in a fairly large hole), held on by a lockspring. You'd need to
>>> remove the wheel, grab a couple of old screwdrivers, pry off the lockspringring,
>> Using screwdrivers to remove a lockspring is dangerous to you and to the lockspring Go out & buy
>> a pair of pliers specially designed for this task
> There's no special tool for removing the Sturmey/Shimano snapring- removing it was a matter of
> carefully prying it off with narrow screwdrivers. (That's what they taught us in Schwinn school.)
> It doesn't have the holes for conventional snapring pliers.
> Here's an exploded view:
> and here's the service instructions:
> Note that you will have to remove and reinstall the shift mechanism to get at the sprocket
cheers for that jeff. last night i swapped the sprocket with the use of a small screwdriver. it was
indeed easy, and did take 15mins! so thanks very much!