Some considerations:
When using the adaptor, you will need a much longer bolt for the frame attachment point.
Most UFS skates use an M6 frame attachment bolt.
FR Skates Freeride use M7 sized bolts.
FR Skates UFR use M6 sized bolts.
Rollerblade`use M8 sized bolt.
If you can't find any on the website, please email as we have some available.