Same here, also use a 2.5 Maxxis High Roller on the rear, no problems at all. I've also used a 2.5 Kenda Nev., which is nearly as big as a 2.7 Maxxis, this tyre just clears the front der. when in granny ring. The front der. is LX that was standard on the 05 Enduro Expert. Cheers