It took a long time and there’s a long story behind the reason for the abnormal wait but at NAHBS this year, Chris King released the plug-n-play XD driver for their R45 road hubs. Now, there is a compatibility window for this replacement driver, so you should check with your local bike shop to see if your hubs can take the 11-speed driver, but if you have a Centerlock hub, then you’re good to go. Head to your local shop to inquire about the upgrade so you can use SRAM’s 10-42 cassette on your all-road bike.