Anti f- worry not. There is a solution.

Ive been doing this for the last year and a half. Partly because there are such limited options if you want an 8 speed cogset these days.

But 12-32, no problem. Buy a sram or shimano 11-32 nine speed cassette. Remove the screw (sram) or drill out the three rivets (shimano) that hold the cassette together. Chuck the spacers and replace them with your eight speed spacers. Discard or save the 11t first position cog.

The shimano 11-32 (now 12-32) is probably the better to work with. The
second (now first) position twelve tooth cog also has the lockring ratchet marks around its inner circumfrence and all you have to do is put on a twelve tooth lockring ( which is slightly larger than the one that comes with the cassette- that one wont work) and go. The second position (now first) 12t cog has a built in spacer that is about .010 inch narrower than an authentic 8 speed 12 t cog, but it is not likely to make any problems. Just adjust the lower limit screw a bit.

If im feeling really picky I will make an extra .010 spacer from a layer or two of waterproof sandpaper, superglue it to the back of the 12t, and trim it with a razor, but its more trouble than its worth, and not really necessary.


A shimano hg 50, or a sram pg 950 or 970. The srams are done the same way, but though its easier to get the cassette apart, you have to do a little engineering if you want the lockring to work correctly. Shimano 12t second position nine speed cogs are multi-use, if you will: they are also made to be used as first position cogs, so all you have to do there is make sure you have the correct size lockring.