The P.1 is Specialized's purpose-built youth performance bike — built around a fully-butted alloy frame, 20 inch wheels, hydraulic disc brakes, and proper-spec components for the rider who's outgrown the entry kids' bike but isn't yet on a full-size MTB. Built for skate-park, pump-track, dirt-jump, and trail riding.
Key Features
- Specialized P.1 A1 Premium Alloy frame, fully-butted tubing, tapered head tube
- Tektro HD-J285 hydraulic disc brakes with 160 mm rotors — confident stopping power
- Specialized Kicker Sport tyres, 20×2.1 inch — grip for skate park + trail use
- Specialized P.series alloy crankset, 115 mm length — sized for younger riders
- Suits riders ~125-150 cm tall (typically 8-12 year olds)
Why You'll Love It
If your kid is hitting the local pump track at Pioneer Park or has graduated from a basic 20 inch and wants something that can take a beating, the P.1 is the bike. Hydraulic discs and proper alloy frame mean it actually performs — not just a kid's bike with a paint job. Sized + fitted in-store at Mackay Cycles.
Technical Specifications
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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
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Fork: Specialized A1 Alloy, 20" Rigid, Tapered Alloy Steer Tube, 15x110TA, 372mm Axle to Crown
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Crankset: Specialized P.series, 52mm CL, 115mm Length
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Bottom Bracket: BSA 73mm
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Chain: KMC Z1, 1/2x3/32", Single Speed
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Cassette: 13T SS Cog
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Front Brake: Tektro HD-J285, Hydraulic Disc, 160mm Rotor
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Rear Brake: Tektro HD-J285, Hydraulic Disc, 160mm Rotor
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Front Hub: Alloy, 6-Bolt, 28H, 15x110 Boost
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Rear Hub: Alloy, 6-Bolt, 28H, 12x148 Boost, 11-speed compatiable
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Rims: Specialized P.Series, 20", 32h, 26mm ID, Disc Brake Only
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Spokes: Stainless, 14g
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Front Tyre: Specialzied Kicker Sport, 20x2.1"
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Rear Tyre: Specialzied Kicker Sport, 20x2.1"
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Inner Tubes: 20" Inner Tube, SV
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Handlebars: Mini Rise, Alloy Double Butted, 6-degree Backsweep, 600mm Width, 31.8mm , 19mm Bar End Diameter
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Stem: 3D-forged alloy, 31.8mm, 6-degree rise
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Grips: Specialized Trail Grips, 19mm bar end diameter, lock-on
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Saddle: Specialized P.series, Steel Rails
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Seatpost: Specialized, 6061 alloy, 2-bolt clamp, 0mm setback, 30.9mm
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Seat Binder: Quick Release, 34.9mm ID Clamp
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