This totally redesigned P.Series gives riders of all sizes a jumping off point to a life on bikes. The lightweight, but tough alloy frame is designed to take all the hits and keep rolling—across all frame and wheel size options. Our approach to these robust bikes centers around delivering a simple, high-quality platform that's versatile for all riders, and packs in category-first features that make a difference to the rider. P.1 Frame Specialized P.1, A1 Premium Alloy, 20", Fully Butted Tubing, Tapered Head Tube, BSA 73mm BB Shell, 12x148TA Sliding Dropouts, Single Speed or Geared Compatible, 52mm CL, Internal cable routing, 30.9 Seat Tube, Dropper Post Compatible Seat Binder Quick Release, 34.9mm ID Clamp Fork Specialized A1 Alloy, 20" Rigid, Tapered Alloy Steer Tube, 15x110TA, 372mm Axle to Crown Front Brake Tektro HD-J285, Hydraulic Disc, 160mm Rotor Rear Brake Tektro HD-J285, Hydraulic Disc, 160mm Rotor Cassette 13T SS Cog Chain KMC Z1, 1/2x3/32", Single Speed Crankset Specialized P.series, 52mm CL, 115mm Length Chainring 30T Bottom Bracket BSA 73mm Stem 3D-forged alloy, 31.8mm, 6-degree rise Handlebars Mini Rise, Alloy Double Butted, 6-degree Backsweep, 600mm Width, 31.8mm , 19mm Bar End Diameter Grips Specialized Trail Grips, 19mm bar end diameter, lock-on Saddle Specialized P.series, Steel Rails SeatPost Specialized, 6061 alloy, 2-bolt clamp, 0mm setback, 30.9mm Rims Specialized P.Series, 20", 32h, 26mm ID, Disc Brake Only Front Hub Alloy, 6-Bolt, 28H, 15x110 Boost Rear Hub Alloy, 6-Bolt, 28H, 12x148 Boost, 11-speed compatiable Spokes Stainless, 14g Front Tire Specialzied Kicker Sport, 20x2.1" Rear Tire Specialzied Kicker Sport, 20x2.1" Weight 9.37kg (20 lb, 10.5 oz) * Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.