Rocky Mountain HAMMER 1996 VS Trek 820 AL 1999 specs comparison
Rocky Mountain Hammer
General Infos| Model | Hammer |
| Manufacturer | Rocky Mountain |
| Year of production | 1996 |
| Current price | Check price Here ==> |
| Color choice |
-Race red |
| Sizes |
- 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches) |
| Sizes |
- 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.10 (inches) WTB VelociRaptor |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Tektro Alloy Levers Shimano STX-RC M-System Brakes |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | 32-hole Ritchey Rock 440 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 1.8 (millimeters) Straight Gauge Chung Nan Stainless Steel |
Frame and Body Specs
| Frame materials | Triple-butted Tange Chromoly |
| Frame type | TIG-welded Steel |
| Handlebar construction | RMB Stratos 2 |
| Handlebar extender | Optional |
| Handlebar stem details | RMB Custom 6061 Alloy |
| Headset size | 1 1/8 (inches) Threadless Dia-Compe Kontak Aheadset ST-2 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Sachs SC40 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 110 (millimeters) Spindle Shimano BB-UN52 |
| Crankset parts and sizes | 22/32/44 Teeth Sugino Alloy |
| Gear shift levers | Grip Shift SRT-600 |
| Rear gear set | 11 - 28 Teeth 8-speed |
Rocky Mountain Hammer Fork System Data
| Derailleur (Front) | Top-pull and clamp-on 28.6 (millimeters) Shimano Deore LX Top-swing |
| Derailleur (Rear) | Shimano Deore LX SGS |
| Fork material | Butted Unicrown Crown Tange Chromoly |
| Fork type | Tange |
Other Specs of Rocky Mountain Hammer
| Component group sets | Shimano Deore LX |
| Pedals details | Fasten NWL-90K With Clips & Straps |
| Rear shock absorber | Not Available |
| Saddle seat | Chromoly Rails Vetta TT Tri-Shock |
| Seat post extension | 26.8 (millimeters) Diameter RMB Stratos 2 |
Trek 820 AL
General Infos| Model | 820 AL |
| Manufacturer | Trek |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
-Ice Red and Ice Orange |
| Sizes |
- 13.5 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - womens 17 (inches) - womens 20 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Trek Connection |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Lee Chi LV77E Levers Lee Chi ProMax MV-33 Linear-pull Brakes |
| Hubs for disc brakes | Rear: Kung Ten W5ER Front: Kung Ten W55F |
| 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 | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | Alloy MTB |
| Handlebar extender | Optional |
| Handlebar stem details | Steel |
| Headset size | 1 1/8 (inches) Victor VP-H992W |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KAZ LR900 |
| Bottom bracket shell width | 73 (millimeters) English |
| Bottom bracket type | 121 (millimeters) Spindle Shimano BB-CT92E |
| Crankset parts and sizes | 24/34/42 Teeth Shimano Altus |
| Gear shift levers | SRAM ESP 5.0 |
| Rear gear set | 11 - 30 Teeth 8-speed |
Trek 820 AL Fork System Data
| Derailleur (Front) | Top-pull and bottom Bracket Mount Shimano Altus |
| Derailleur (Rear) | SRAM ESP 5.0 |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Trek |
Other Specs of Trek 820 AL
| Component group sets | Mountain Mix |
| Pedals details | Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Velo |
| Seat post extension | 27.2 (millimeters) Diameter Aluminum Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Rocky Mountain provided us with the latest version of its Hammer bike manual
- Find All parts, tires and accessories of Rocky Mountain Hammer Mountain bike here
- Get your Trek 820 AL manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 820 AL Mountain bike here
