You don't need UDH for a mullet. If it clears 46t as 1x it will definitely be fine with a double, the chainring is further out. Some derailleurs designed for 1x doesn't work well with a double. Better make sure XPLR is compatible.
@Netakure started
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You don't need UDH for a mullet.
If it clears 46t as 1x it will definitely be fine with a double, the chainring is further out.
Some derailleurs designed for 1x doesn't work well with a double. Better make sure XPLR is compatible.