Bontrager B52 1997 VS Specialized P.20 2015 specs comparison
Bontrager B52
General Infos| Model | B52 |
| Manufacturer | Bontrager |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
-Black |
| Sizes |
- Expert - Pro - XL |
| Sizes |
- Expert - Pro - XL |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) Cheng Shin Comp III Type Front: 20 X 2.125 (inches) Cheng Shin Comp III Type |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Shimano Deore LX Levers Shimano Deore LX V-Brake Brakes |
| Hubs for disc brakes | Aluminum Nutted |
| Rims manufacturer | 36-hole Bontrager Mack |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded |
| Handlebar construction | Chromoly |
| Handlebar extender | Not Available |
| Handlebar stem details | Bontrager Aluminum |
| Headset size | 1 1/8 (inches) Threadless Dia-Compe Aheadset |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | Boss Sealed Cartridge Bearing |
| Crankset parts and sizes | 44 Teeth Boss 3-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Bontrager B52 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | 4130 chromoly c |
| Fork type | Bontrager |
Other Specs of Bontrager B52
| Component group sets | Not Available |
| Pedals details | Aluminum Clipless |
| Rear shock absorber | Not Available |
| Saddle seat | Velo C20 |
| Seat post extension | 27.0 (millimeters) Diameter Bontrager Comp |
Specialized P.20
General Infos| Model | P.20 |
| Manufacturer | Specialized |
| Year of production | 2015 |
| Current price | Check price Here ==> |
| Color choice |
-Satin Black and Foam Green and Rocket Red and Charcoal |
| Sizes |
- Standard size for all |
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 Alloy Hollow Axle Loose Ball Sealed Cartridge Bearings Solid Axle P.Series BMX |
| Rims manufacturer | 32 (millimeters) Inner Width 36h Alloy Single Wall Center Void P.20 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14g Stainless |
Frame and Body Specs
| Frame materials | High Tensile Steel |
| Frame type | 20.5 (inches) Top Tube 5 (millimeters) Thick Dropouts For 14 (millimeters) Axle Externally Relieved MID BB Shell Integrated Headtube Seatstay-mounted U-brake Bosses Hi-Ten Plain Gauge Steel |
| 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 50 (millimeters) Die-cast Alloy Top Load BMX Stem |
| 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) 8-spline Spindle MID BB |
| Crankset parts and sizes | 170 (millimeters) 25T 3 Pc. Cr-Mo 8-spline Tubular Arms P.Crank |
| Gear shift levers | Not Available |
| Rear gear set | Not Available |
Specialized P.20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | High Tensile Steel |
| Fork type | 1-1/8 (inches) Threadless 5 (millimeters) Cr-Mo Dropouts For 3/8 (inches) Axle Tapered Blade Hi-Ten Steel |
Other Specs of Specialized P.20
| Component group sets | BMX Mix |
| Pedals details | 9/16 (inches) Loose Ball Plastic 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 |
Useful links and guides ....
- To know more about this exacte bike, Bontrager provided us with the latest version of its B52 bike manual
- Find All parts, tires and accessories of Bontrager B52 BMX here
- Get your Specialized P.20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized P.20 BMX here
