Racing is the sole reason Yeti Esist. They've been pinning on numbers and pinning the throttle off road since 1985. So when choices had to be made on the SB150, every single one was made in the name of unbridled speed.AN INFLECTION POINT FOR SPEEDTaking the Switch Infinity's winning heritage and made the leverage ratio more progressive (but not too progressive) to provide greater compatability with modern shocks and a wider range of racer setups. In addition, the bike has better small bump compliance, ramps up quicker in the mid stroke, while still allowing for full travel and bottom-out control.Racers spend more time in the supportive part of the curve- when entering toothy sections or carrying corner speed, the SB150 offers something to push against for greater race stage velocities ... More info