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.

SLEEK SIMPLICITY — The latest and greatest levers, adjustment switches, and complex cabling have their place—but not here. For the rider focusing on progression, eliminating every other variable is paramount. Starting with the durable lightweight alloy frame, P.Series stands up to unique demands of a bike that only dirt jump riders know. It’s going to hit the ground. A lot.

SIZED FOR ALL — In such a niche corner of the cycling world, a purpose-built bike like the P.Series used to be available in minimal size options. That’s why we took a step back to design a new range of inclusive sizes. From a 20-inch tire legit dirt jumper to a 27.5-inch category-crossing trail cruiser that can be backflipped.

REIMAGINE YOUR RIDE — Instead of compromising on its heart and soul (flipping and whipping through the air), we expanded its capability. It’s dropper ready, derailleur compatible, and uses adjustable dropouts. You can ride it out your door all the way to the bike park—and make a pitstop to session along the way.

TOUGH TECH — Built with a boost spaced rear end for added stiffness, this burly wheel setup along with tapered headtube, and threaded bottom-bracket make P.Series extremely resilient and easy to maintain. Wrapped in its new 2.1” Kicker tire—but accepting up to a 2.35” trail tire—you’ll find grip and make speed anywhere.

Key Features:

Lightweight, Specialized engineered rigid fork, geo corrected to 80mm of travel makes fork upgrades easy.
19mm OD handlebars, plus short reach brake levers and grips sized for smaller hands helps young riders stay in control.
Specialized Kicker tires find grip anywhere, street, dirt, or at the skatepark.

Occasionally, without notice, manufacturers change product design and/or specifications.

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
Fork	Specialized A1 Alloy, 20" Rigid, Tapered Alloy Steer Tube, 15x110TA, 372mm Axle to Crown
Stem	3D-forged alloy, 31.8mm, 6-degree rise
Bars	Mini Rise, Alloy Double Butted, 6-degree Backsweep, 600mm Width, 31.8mm , 19mm Bar End Diameter
Front Brake	Radius CX7, Mechanical Disc, 160mm Rotor
Rear Brake	Radius CX7, Mechanical Disc, 160mm Rotor
Speed	1
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 Tyre	Specialzied Kicker Sport, 20x2.1"
Rear Tyre	Specialzied Kicker Sport, 20x2.1"
Seat Post	Specialized, 6061 alloy, 2-bolt clamp, 0mm setback, 30.9mm
Saddle	Specialized P.series, Steel Rails
Chainset	Specialized P.series, 52mm CL, 115mm Length
Bottom Bracket	BSA 73mm
Chain	KMC Z1, 1/2x3/32", Single Speed
Cassette	13T SS Cog
Pedals	Specialized platform pedal
Weight	9.37kg (20 lb, 10.5 oz)

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Specialized P.1 2023 - Jump Bike

Jump Bike Size guide

Specialized P.1 2023 - Jump Bike