Specialized P.20 AMATEUR 2011 VS Jamis EXPLORER 1998 specs comparison
Specialized P.20 Amateur
General Infos| Model | P.20 Amateur |
| Manufacturer | Specialized |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
- Blu -Black |
| Sizes |
- 20.5 TT (inches) |
| Sizes |
- 20.5 TT (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 2.2 (inches) Specialized Rhythm Lite Sport |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Lever U Brake Rear Levers Tektro FX-340 U-brake Rear Brakes |
| Hubs for disc brakes | Rear: Forged Alloy Cassette Front: Forged Alloy Low Flange |
| Rims manufacturer | 36-hole Alloy Single Wall |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Butted Stainless |
Frame and Body Specs
| Frame materials | Hi Ten |
| Frame type | TIG-welded |
| Handlebar construction | 2-piece CrMo |
| Handlebar extender | Optional |
| Handlebar stem details | Forged Alloy |
| Headset size | 1 1/8 (inches) Threadless Campy Spec Integrated Sealed Cartridge Bearing |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z510H |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Mid BB |
| Crankset parts and sizes | 25t Teeth P. 3pc Tubulars |
| Gear shift levers | Not Available |
| Rear gear set | 12 Teeth 1-speed |
Specialized P.20 Amateur Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Single Crown Hi Ten |
| Fork type | Hi Ten |
Other Specs of Specialized P.20 Amateur
| Component group sets | Dirt Jump Mix |
| Pedals details | P. Lo-Pro Plastic Platform |
| Rear shock absorber | Not Available |
| Saddle seat | P. Combo |
| Seat post extension | 25.4 (millimeters) Diameter Alloy |
Jamis Explorer
General Infos| Model | Explorer |
| Manufacturer | Jamis |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
- Gloss Black -Flame Red |
| Sizes |
- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches) - womens 16 (inches) - womens 19 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Kenda K-850 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | GS-1 Alloy Levers Shimano Altus Brakes |
| Hubs for disc brakes | Q and R Rear: Aluminum Nutted Front: Aluminum |
| Rims manufacturer | 36-hole Weinmann 519 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Hsin Lung Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Jamis |
| Headset size | 1 1/8 (inches) Chin Haur CH90 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z-51 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 118 (millimeters) Spindle Chin Haur CH-48 |
| Crankset parts and sizes | 28/38/48 Teeth SR XR11 |
| Gear shift levers | Grip Shift MRX-170 |
| Rear gear set | 14 - 28 Teeth 7-speed |
Jamis Explorer Fork System Data
| Derailleur (Front) | Top-pull and clamp-on 28.6 (millimeters) Shimano Tourney TY-22 Top-swing |
| Derailleur (Rear) | Shimano Tourney TY-22 |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Jamis |
Other Specs of Jamis Explorer
| Component group sets | Mountain Mix |
| Pedals details | Wellgo |
| Rear shock absorber | Not Available |
| Saddle seat | Jamis Sport |
| Seat post extension | 26.8 (millimeters) Diameter Steel Pillar |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its P.20 Amateur bike manual
- Find All parts, tires and accessories of Specialized P.20 Amateur Mountain bike here
- Get your Jamis Explorer manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Jamis Explorer Mountain bike here