Ksyrium SSC (SL) has existed in FTS and FTS-L. You can refer on the sticker of the hub to know which wheel is in your hands. If there is no sticker on the hub, look at the free wheel body :
- If the free wheel body external bearing is locked with a featherhead bolts (FTS), please, follow 2000 maintenance.
- If the free wheel body external bearing is locked with a hexagonal nut (FTS-L), please, follow 2001 maintenance.