Trek 820 COMFORT 1998 VS Specialized P.20 AMATEUR 2011 specs comparison
Trek 820 Comfort
General Infos| Model | 820 Comfort |
| Manufacturer | Trek |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Ice Green |
| Sizes |
- 13 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - 24 (inches) |
| Sizes |
- 13 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - 24 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.90 (inches) |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Lee Chi LV77E Levers Lee Chi TX22 Brakes |
| Hubs for disc brakes | Q and R Rear: Shimano Altus Front: Aluminum |
| Rims manufacturer | 32-hole Weinmann 519 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Girvin Flexstem |
| Headset size | 1 1/8 (inches) Victor VP-H97W Sealed |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Sachs PC-10 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 118 (millimeters) Spindle Shimano BB-CT91E |
| Crankset parts and sizes | 24/34/42 Teeth Shimano Altus |
| Gear shift levers | Grip Shift MRX-170 |
| Rear gear set | 11 - 28 Teeth 7-speed |
Trek 820 Comfort Fork System Data
| Derailleur (Front) | Top-pull Shimano Altus Top-swing |
| Derailleur (Rear) | Shimano Alivio |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Trek |
Other Specs of Trek 820 Comfort
| Component group sets | Mountain Mix |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Spring Type |
| Seat post extension | 27.2 (millimeters) Diameter SP57 Suspension Post |
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) |
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 |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its 820 Comfort bike manual
- Find All parts, tires and accessories of Trek 820 Comfort Mountain bike here
- Get your Specialized P.20 Amateur manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized P.20 Amateur Mountain bike here