needed to convert a front wheel from 100 X 15 to 100 X 12, as the front wheel has and SRC hub these caps allowed me to change it to 100 X 12, just, by hand, pulled the old caps off and put these on, that's it, very simple conversion
I was looking for a 27.5+ wheelset for a Cannondale Trail Two that has a 141 QR frame. I was able to get a SRC rear hub that was 148 TA and the QR Rear Hub End Caps worked perfectly. Very pleased with the customer service and quality of the products! Thank you!