The ILQ-9 Pro bearings from Rollerblade are their fastest Twincam bearings. Designed for marathon skaters and therefor perfect for speed skaters and fitness skaters who like to go fast. They come prelubricated with american TK Racing Gel which makes these bearings very fast.
The unique SCRS shield system helps keep dirt and water from getting to the internal parts of the bearings. This makes them last longer between maintenance-sessions.