Odd that it doesn't match their own stems. I'm using one with a 3T ARX and it's a perfect match for height. If you have the equipment to cut it down accurately and without distorting the shim I'd say it's ok to do that, but it would probably be preferable to find a shim the right height.
Odd that it doesn't match their own stems. I'm using one with a 3T ARX and it's a perfect match for height. If you have the equipment to cut it down accurately and without distorting the shim I'd say it's ok to do that, but it would probably be preferable to find a shim the right height.