drcarlos":b0qzq4dz said:If you want correctness its XT II and MF tended to put Shimano on the high end ALU bikes and suntour on the high end steel bikes to differentiate them. I would go with xt a I have a suntour xc fox and xt does work better but I can see the draw of xc pro or comp. Just be prepared to have to wait and have a nightmare matching hubs and cassettes as suntour produced a multitude in the early 90's.