Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Steel -
Wheels 20" -
Suspension Rigid -
Brakes Rim
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Hi-Ten 20"" frame, 20.5"" TT, MID BB shell, externally relieved integrated HT, formed monostay yoke, seatstay-mounted U-brake bosses, 5mm dropouts for 14mm axle
Suspension Fork
Hi-Ten, tapered 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, 170mm length
Bottom Bracket
MID BB, 2x sealed cartridge bearing w/ 19mm, 8-spline, Cr-Mo spindle, steel tube, and plastic cone spacers
Chain
KMC Z-510H, 1/2"" x 1/8"", anti-drop inner links
Pedals
P. Lo Pro plastic platform w/ molded pins, loose ball, 9/16""
Wheels
Front Hub
Low flange, loose ball bearing, 3/8"" Cr-Mo axle, nutted type, 36h
Rear Hub
Low flange, CNCd 9t cog driver, loose ball, hollow 14mm Cr-Mo axle w/ 23mm contact, 17mm axle nuts, 36h
Rims
P. 20, alloy single-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
Forged alloy Ahead, front load, 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. Series, 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 | 20.5" |
|---|---|
| Stack Reach Ratio | 0.85 mm |
| Bottom Bracket Height | 291 mm |
| Front Center | 572 mm |
| Rake | 31 mm |
| Stack | 372 mm |
| Reach | 437 mm |
| Seat Tube Angle | 72 ° |
| Seat Tube Length | 235 mm |
| Head Tube Angle | 74.5 ° |
| Head Tube Length | 110 mm |
| Chainstay Length | 357 mm |
| Wheelbase | 926 mm |
| Bottom Bracket Drop | -35 mm |
| Standover Height | 573 mm |
| Wheels | 20" |
| Rider Min Height | 120 cm |
Model Overview
P.20 AM is part of the Specialized P20 model. 7 bikes variations carry this model name so far. Check out the entire range from 2012 of this model, by clicking this link.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Average price for BMX bikes
According to our calculations, the average cost of a BMX bike that is reliable is 348$. However, you could also get a good BMX bike even if you pay a lower amount than the average price. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
Overview of components
Fork material
When it comes to the fork, this bike has a steel one, so, it can add some extra weight to your bike. However, steel is a pretty tough and durable material.
Wheels
The P.20 AM 2012 bike is equipped with 20″ aluminum wheels when leaving the factory. 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
Stopping the bike when needed, it’s essential for your safety. This bike has Rim brakes. Rim brakes are cheaper than hydraulic brakes, and also easier to maintain. However, you could spend a little extra and get a bike that has hydraulic brakes.