Ritchey: You love the accuracy, efficiency and trail feedback that only a rigid mountain bike fork can provide. Of course, you covet carbon fiber. And you also demand modern specs like BOOST spacing. Yes, the Ritchey WCS Carbon BOOST Mountain Bike fork was made for you and your riding style. Decades of life experiences combine with our deep mountain biking heritage, decades of on-trail research and mastery of modern materials to provide a fork that offers an unrivaled riding experience. The one-piece monocoque construction (WCS) of this fork also includes full carbon dropouts, as well as non-removable, one-piece carbon disc brake tabs. You'll also find suspension corrected axle-crown height, and a Ritchey compression plug that's included. You're going to love slicing along your local singletrack with this fork mounted on your favorite rig. Material: carbon fiberSteerer: 1-1/2” taperedBoost 110mm spacing (15mm alloy thru-axle included)Post Mount disc brakeDisc brake rotor compatibility: 160mm (max 180mm)Steerer length: 300mmCrown diameter: 61mmFork length: 502mmRake/Offset: 45mmSpacing: 87mmMinimum tire clearance: 6mm Wheel compatibility: 27.5” or 29”Weight: 758g (with uncut steerer / not including axle)Colour: matte UD carbon finish