One new SLX-level mountain bike wheelset for racers will be offered by Shimano for 2013. Designed with racers in mind, these tubeless ready wheels called MT66 come with UST-profile rims. Front and rear, the wheels use 24 straight-pull spokes. Shimano MT66 Race Mountain Bike Wheels
Shimano claimed that the MT66 weighs in at 840g for the quick-release front wheel and 985g for the rear wheel without the skewers. At the front, the wheels have a 15mm E-Thru axle option and come with lime green or mono tone decals and in black or white, as well.
With a width of 19mm, the 2013
Shimano MT66 Race Mountain Bike Wheelscan accommodate rubber measuring up to 2.25in. These innovative all-round cross-country wheels will be available both in a 26in and in 29in spec.