ATAC Stem Length:70 The Ground Control tire is

The Ground Control tire is such a great trail tire

with its one-piece bottom bracket and downtube

The RaceFace Bosch Gen 4 spider allows the use of RaceFace 104 BCD rings on RaceFace ebike cranksets (52mm chainline)

it takes aero to unheard of heights using storage and fit features that also make you faster

its ergonomics delivering unparalleled comfort

ATAC Stem Length:70 The Ground Control tire isThe ATAC is back. One of the oldest names in the high end stem game has returned. And this time its all blinged out with titanium hardware and a fresh laser etched finish. Aluminum construction with Titanium Hardware Rise: + 5 degrees Clamp Diameter: 31. 8mm