Bike details
Overview
Key information split into simple groups.
Bike summary
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Category -
Frame Steel -
Wheels 20" -
Suspension Rigid -
Brakes Rim
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
P. Series double-butted Reynolds 520 Cr-Mo 21"" TT, externally relieved MID BB shell and integrated headset, removable seatstay-mounted U-brake bosses, 5mm 3D dropouts for 14mm axle, integrated chain tensioner and hardware
Suspension Fork
Tapered and butted Cr-Mo blades, 1-1/8"" threadless, 5mm dropouts for 3/8"" axle
Drivetrain
Cassette
CNC 1/2"" x 1/8"" x 9t driver
Crank
3pc. tubular, heat-treated Cr-Mo for 8 spline, 175mm length
Bottom Bracket
MID BB, 2x sealed cartridge bearing w/ 19mm, 8-spline, hollow Cr-Mo spindle, alloy tube, and cone spacers
Chain
KMC Z510XRB, 1/2"" x 1/8"", heavy duty, anti-drop inner links
Pedals
P. Lo Pro nylon platform w/ molded pins, loose ball, 9/16""
Wheels
Front Hub
Mid-flange, 2x sealed cartridge bearing, 3/8"" forged female bolt-in axles w/ 7075 alloy inner axle, 36h
Rear Hub
Low flange, CNCd 9t cog driver, 4x sealed cartridge bearings, hollow 14mm Cr-Mo axle w/ 23mm contact, 17mm axle nuts, 36h
Rims
P. 20, alloy double-wall, 36mm, pinned, 36h
Spokes
Stainless, 2.0mm (14g)
Tires
Specialized Compound Street, 30 TPI, wire bead, 20x2.3""
Brakes
Brakes
Tektro FX-340 U-brake, melt forged, single bushing, coil spring, 15mm offset arms, soft compound pad
Brake Levers
Lever ""U"" brake, 15mm cable pull
Cockpit
Stem
P. Series drop type, forged alloy, front load w/ CNC side holes, black hardware, 22.2mm
Handlebar
Cr-Mo 2pc. 11º backsweep, 2º upsweep, 22.2mm
Grips
P. Grip, flanged soft compound, open end w/ endplug, 150mm
Headset
Integrated 1-1/8"" threadless, Campy-style, full cartridge bearings
Seat
Saddle
P. Combo, 1pc co-molded composite saddle and alloy 25.4mm seat post combination w/ embossed ""P. Series"" logo padded cover
Seatpost
Alloy, 25.4mm, no offset
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 21" |
|---|---|
| Stack Reach Ratio | 0.83 mm |
| Bottom Bracket Height | 294 mm |
| Front Center | 586 mm |
| Rake | 31 mm |
| Stack | 372 mm |
| Reach | 450 mm |
| Seat Tube Angle | 72 ° |
| Seat Tube Length | 235 mm |
| Head Tube Angle | 75 ° |
| Head Tube Length | 110 mm |
| Chainstay Length | 357 mm |
| Wheelbase | 940 mm |
| Bottom Bracket Drop | -36 mm |
| Standover Height | 576 mm |
| Wheels | 20" |
| Rider Min Height | 120 cm |
About this model
P.20 is a Specialized P20 model. Specialized launched 7 bikes of this model so far. Check out the entire range from 2012 of this model, by clicking this link.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
BMX bikes average price
If you want an acceptable BMX bike you should know that the average price is 348$. However, even if your budget is less than the average, you might still be able to get a top-quality BMX bike. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
P.20 components
Fork material
When it comes to the fork, this bike has a steel one, which tends to be more flexible than carbon forks in general. However, a carbon fork is considerably lighter.
Wheels size
As for the wheels, Specialized P.20 2012, has a 20″ aluminum model. The 20″ wheels are a good fit for folding bikes, BMX, or children bikes. In conclusion, you can use them better on-road, and less on technical terrain.
Brakes
When you want to stop the bike in time, the brakes are vital. The P.20 has Rim brakes. Rim brakes are cheaper than hydraulic brakes, and also easier to maintain. However, they have problems in wet conditions.