alesis surge/command cymbal expansion set: 10 inch cymbal, cymbal arm, rack clamp and 10ft trs cable [compatible with roland/yamaha/simmons/ion] (10 inch cymbal with choke - 21 inch arm) alesis there’s nothing better than more drums! here’s the fastest and best way to get there: <p> add another alesis 10in cymbal to your surge kit or any other 1 1/2 diameter drum rack with our alesis surge cymbal expansion package and enjoy a wider range of sounds from your module. it delivers a great response and feel for a natural drumming experience. it’s a breeze to set up—simply mount it to your rack and you’re set to go. everything you need comes in the box. <p> includes:<br> -10 inch alesis cymbal<br> -cymbal arm<br> -rack clamp<br> -felt wingnut<br> -10ft trs cable<br> <p> please note: it is *not* compatible with the alesis nitro kit rack which uses a unique smaller 1 1/4in) clamp. it can be used with the nitro kit if you have a nitro clamp. (not included)<br>almost all other electronic drum kits use the 1 1/2 in rack diameter clamps and it is completely compatible with those.