P.20 AM
Part No.  

P.20 AM

Part No.  
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P.20 AM
Technical Specifications
The "P' in "P.Bikes" doesn't stand for "Pretty." No fluff and no sparkly stuff. Just bombproof rides that mix advanced technology and top-shelf materials with geometry proven in the street, park and dirt. Start rolling right on the P.20 AM, it's built for shredding with a strong steel frame and fork, and quality components.
  • Steel frame features a MID BB, small dropouts, and dialed geos for dirt, park, or street
  • Ride dirt, park, or street on the Specialized Compound Street tires with low rolling resistance and a rounded profile
  • BMX-style, 3-piece tubular Cr-Mo crankset with cartridge-bearing MID BB is strong and light to go big with confidence, singlespeed 25t chainring resists bending and delivers the clearance you need
  • Compact, singlespeed gearing with 9t driver specially designed for dirt/park/street
  • Lightweight 36-hole wheels with low flange solid axle front hub and hollow axle rear hub with 9T driver

Technical Specifications

BOTTOM BRACKET MID BB, 2x sealed cartridge bearings w/ 19mm, 8-spline spindle
FREEWHEEL 1 pc. CNC, 9T driver
CRANKSET P.Crank, 3pc. Cr-Mo, tubular arms, 8-spline, 170mm
FRONT HUB P.Series BMX, alloy, loose ball, solid axle, 36h
REAR HUB P.Series BMX, alloy, loose ball, hollow axle, 36h
INNER TUBES Standard Schrader valve
SPOKES Stainless, 14g (2.0mm)
RIMS P.Series 20"", alloy double-wall, triple void, 35mm, 36h
FRONT TIRE Specialized Compound Street, 30TPI, wire bead, 20x2.3""
REAR TIRE Specialized Compound Street, 30TPI, wire bead, 20x2.3""
SADDLE P.Seat SL, 1pc. w/ co-molded alloy 25.4mm seatpost, padded
SEATPOST Alloy, 25.4mm, integrated w/ saddle
STEM BMX stem, die-cast alloy, top load, 50mm, 22.2mm clamp
HANDLEBARS Specialized P.Series BMX bar, Hi-Ten steel, 710mm wide, 11-degree backsweep, 2-degree upsweep, 210mm rise, 22.2mm
GRIPS P.Grip BMX, w/ flange, Kraton, end plugs, 150mm
BRAKE LEVERS Tektro XL-320, U-brake lever, 15mm cable pull
REAR BRAKE Tektro, U-brake, die-cast, single bushing, coil spring, 15mm offset arms
PEDALS Plastic platform w/ molded pins, loose ball, 9/16""
HEADSET Integrated 1-1/8"" threadless, Campy style, full cartridge bearings
SEAT BINDER Integrated Cr-Mo bolt w/ nylock nut
FORK 20"" BMX, 2mm thick Hi-Ten, tapered blades, 1-1/8"" threadless, 5mm Cr-Mo dropouts for 3/8"" axle
FRAME Hi-Ten plain gauge steel, 20.5"" top tube, externally relieved MID BB shell, integrated headtube, seatstay-mounted U-brake bosses, 5mm thick dropouts for 14mm axle


Geometry Chart

P. Series - Geometry

Crank Length 170mm
Stem Length 50mm
Seatpost Length 200mm
Handlebar Width 710mm
Reach 432mm
Stack 367mm
Bottom Bracket Drop -35mm
Chainstay Length 342mm
Seat Tube Angle 72°
Head Tube Angle 74.5°
Head Tube Length 110mm
Top Tube Length (Actual) 522mm
Fork Length 314mm
Fork Offset 31mm
Seat Tube Length, Center to Top 235mm
Standover Height 568mm
Wheel Base 921mm
Bottom Bracket Height 291mm