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
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
Suspension Fork
Hi-Ten steel, tapered blade, 1-1/8"" threadless, 5mm Cr-Mo dropouts for 3/8"" axle
Drivetrain
Crank
P.Crank, 3 pc. Cr-Mo, tubular arms, 8-spline, 170mm
Bottom Bracket
MID BB, 2x sealed cartridge bearings w/ 19mm, 8-spline spindle
Chain
KMC Z510H, BMX 1/2"" x 1/8"", anti-drop inner links
Pedals
Specialized P.Series, plastic platform w/ molded pins, loose ball, 9/16""
Wheels
Front Hub
P.Series BMX, alloy, loose ball, solid axle, 36h
Rear Hub
P.Series BMX, alloy, sealed cartridge bearings, hollow axle, 36h
Rims
P.20, alloy single wall, center void, 32mm inner width, 36h
Spokes
Stainless, 14g
Tires
Specialized Compound Street, 30TPI, wire bead, 20x2.3""
Brakes
Brakes
Tektro, U-brake, coil spring, 1 pc. pads, 15mm offset arms
Brake Levers
Tektro XL-320, U-brake, 15mm cable pull
Cockpit
Stem
BMX stem, die-cast alloy, top load, 50mm, 22.2mm clamp
Handlebar
Specialized P.Series BMX, steel, 11-degree backsweep, 2-degree upsweep, 217mm rise, 22.2mm
Grips
P.Grip BMX, w/ flange, Kraton, end plugs, 150mm
Headset
1-1/8"" integrated threadless, Campy style, full cartridge bearings, 8mm cone spacer
Seat
Saddle
P.Seat SL, 1 pc. w/ co-molded alloy 25.4mm seatpost
Seatpost
Alloy, 0mm offset, 25.4mm, integrated w/ saddle
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 | 582 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 | 347 mm |
| Wheelbase | 926 mm |
| Bottom Bracket Drop | -35 mm |
| Standover Height | 573 mm |
| Wheels | 20" |
| Rider Min Height | 120 cm |
Model Overview
P.20 is part of the Specialized P20 model. Specialized released 7 bikes variations of this model so far. You can easily view all of the Specialized P20 bikes models from 2015, here.
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. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Overview of components
Fork material
The fork on this bike is made out of steel, which tends to be more flexible than carbon forks in general. However, a carbon fork is considerably lighter.
Wheels
As for the wheels, Specialized P.20 2015, has a 20″ aluminum model. The 20″ wheels are a good fit for folding bikes, BMX, or children bikes. In conclusion, they are great for flat ground or very easy trails.
Brakes
For your safety, it is important to have quality breaks on your bike. Specialized P.20 has Rim brakes installed. Rim brakes deliver an average performance overall. However, they have problems in wet conditions.