[SPECS] FRAME: 6061 Aluminum w/ Thru-Axle Drop Outs (142mm spacing) Size XS: Rider Height Recommendation: 5'3" to 5'7" Size S: Rider Height Recommendation:5'6" to 5'10" Size M: Rider Height Recommendation: 5'9" to 6'1" Size L: Rider Height Recommendation: 6'0" to 6'3" FORK: Carbon Fiber w/ Thru-Axle Drop Outs (100mm spacing) Max Recommended Tire Size: 53c or 2.1" x 650b & 45c x 700c (sizes of up to 2.3"x650b have been fitted by riders, however, fitment varies on wheels used, brand of tires, and other factors) Bottom Bracket: BSA ALSO INCLUDED Headset : FSA NO.42/ACB , sealed bearing ,1.5 - 1 1/8” Stealth Thru-Axles Included: M12 Thread Pitch 100/142 (front / rear) Rear Derailleur Hanger Seat Post Clamp Risk-Free Purchase - State Bicycle Co. offers FREE EXCHANGES* -If this item doesn't work out, we'll send you a return label and exchange for free!