Specialized P.20 PRO 2015 VS GT POWER SERIES JR. 2008 specs comparison
Specialized P.20 PRO
General Infos| Model | P.20 PRO |
| Manufacturer | Specialized |
| Year of production | 2015 |
| Current price | Check price Here ==> |
| Color choice |
-Gloss Tri White and White and Purple |
| Sizes |
- 20.5 TT |
| Sizes |
- 20.5 TT |
Wheels And Breaking System
| Bike front tire | 20x2.3 (inches) 30TPI Wire Bead Specialized Compound Street |
| Bike rear tire | Not Available |
| Bike wheel size | 20 |
| Brakeset type | 1 Pc. Pads 15 (millimeters) Offset Arms U-brake Coil Spring Tektro |
| Hubs for disc brakes | 36h 36h P.Series BMX Alloy Bolt-in Hollow Axle Sealed Cartridge Bearings Sealed Cartridge Bearings P.Series BMX |
| Rims manufacturer | 35 (millimeters) Inner Width 36h Alloy Double-wall Triple Void P.20 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14g Stainless |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | 21 (inches) Toptube 5 (millimeters) Thick Dropouts For 14 (millimeters) Axle Externally Relieved MID BB Shell Hydroformed Chainstays Integrated Headset Removable Seatstay-mounted U-brake Boss Double-butted Reynolds 520 Cr-Mo |
| Handlebar construction | 11-degree Backsweep 2-degree Upsweep 217 (millimeters) Rise 22.2 (millimeters) Steel Specialized P.Series BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | 22.2 (millimeters) Clamp 52 (millimeters) Forged Alloy Top Load P.Series BMX |
| Headset size | 8 (millimeters) Cone Spacer Campy Style Full Cartridge Bearings 1-1/8 (inches) Integrated Threadless |
Gearing Specifications
| Bicycle chain | BMX 1/2 (inches) X 1/8 (inches) Anti-drop Inner Links KMC Z510H |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | 2x Sealed Cartridge Bearings With 19 (millimeters) 48-spline Cr-Mo Spindle MID BB |
| Crankset parts and sizes | 25T 3 Pc. Cr-Mo 48-spline Cr-Mo P.Spline Sprocket Tubular Arms P.Crank |
| Gear shift levers | Not Available |
| Rear gear set | Not Available |
Specialized P.20 PRO Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Chromoly |
| Fork type | 1-1/8 (inches) Threadless 1pc. CNC Cr-Mo Steerer Cr-Mo Dropouts For 3/8 (inches) Axle Butted and tapered Blade Cr-Mo |
Other Specs of Specialized P.20 PRO
| Component group sets | BMX Mix |
| Pedals details | 9/16 (inches) Loose Ball Nylon Platform With Molded Pins Specialized P.Series |
| Rear shock absorber | Not Available |
| Saddle seat | 1 Pc. With Co-molded Alloy 25.4 (millimeters) Seatpost P.Seat SL |
| Seat post extension | 0 (millimeters) Offset 25.4 (millimeters) Integrated With Saddle Alloy |
GT Power Series Jr.
General Infos| Model | Power Series Jr. |
| Manufacturer | GT |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Silver and Black |
| Sizes |
- Junior 18.25 TT (inches) |
Wheels And Breaking System
| Bike front tire | 20 (inches) Kenda Small Block Eight |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Unavailable Front and Mini BMX Rear Levers Unavailable Front and Tektro 926AL Mini-V Rear Brakes |
| Hubs for disc brakes | Rear: Joy Tech Cassette Front: GT Aluminum Sealed |
| Rims manufacturer | 28-hole Alex DA-22 |
| Spoke nipples type | Aluminum Nipples |
| Spoke wheel | 15ga. |
Frame and Body Specs
| Frame materials | GT 6061 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Mini BMX |
| Headset size | 1 1/8 (inches) FSA Orbit IS-2 |
Gearing Specifications
| Bicycle chain | KMC Z610 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Euro |
| Crankset parts and sizes | GT Forged Aluminum 3pc. |
| Gear shift levers | Not Available |
| Rear gear set | 14 15 16 Teeth 1-speed |
GT Power Series Jr. Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Aluminum |
| Fork type | GT Aluminum |
Other Specs of GT Power Series Jr.
| Component group sets | BMX |
| Pedals details | Aluminum Body With Bolt On Aluminum Cage |
| Rear shock absorber | Not Available |
| Saddle seat | GT Mini BMX |
| Seat post extension | Aluminum |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its P.20 PRO bike manual
- Find All parts, tires and accessories of Specialized P.20 PRO BMX here
- Get your GT Power Series Jr. manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Power Series Jr. BMX here