Rocky Mountain THIN AIR 1999 VS Trek 3900 2010 specs comparison
Rocky Mountain Thin Air
General Infos| Model | Thin Air |
| Manufacturer | Rocky Mountain |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
-Sable Black and Magic Yellow |
| 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 2.00 (inches) Geax Grid 200 Kevlar |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Deore XT Levers Avid SD-25 Brakes |
| Hubs for disc brakes | Shimano Deore XT |
| Rims manufacturer | 32-hole Sun Rims Sub 4 |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 2.0 (millimeters) Double-butted DT Competition Stainless Steel |
Frame and Body Specs
| Frame materials | Easton Ultralite |
| Frame type | TIG-welded |
| Handlebar construction | Race Face Air Alloy |
| Handlebar extender | Optional |
| Handlebar stem details | Race Face SyStem |
| Headset size | 1 1/8 (inches) Threadless Ritchey Fuzzy Logic |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-HG72 |
| Bottom bracket shell width | 73 (millimeters) English |
| Bottom bracket type | 110 (millimeters) Spindle Shimano Cartridge |
| Crankset parts and sizes | 22/32/44 Teeth Race Face Turbine LP |
| Gear shift levers | Shimano Deore XT RapidFire SL |
| Rear gear set | 11 - 32 Teeth 9-speed |
Rocky Mountain Thin Air Fork System Data
| Derailleur (Front) | Top-pull and clamp-on 31.8 (millimeters) Shimano Deore XT Top-swing |
| Derailleur (Rear) | Shimano Deore XT SGS |
| Fork material | Triple-clamp Crown Aluminum |
| Fork type | 3.3 (inches) Travel Marzocchi Bomber Z-2 BAM |
Other Specs of Rocky Mountain Thin Air
| Component group sets | Mountain Mix |
| Pedals details | RMB Expert XC Clipless |
| Rear shock absorber | Not Available |
| Saddle seat | Kelvar SDG 7000 |
| Seat post extension | 26.8 (millimeters) Diameter Race Face XY |
Trek 3900
General Infos| Model | 3900 |
| Manufacturer | Trek |
| Year of production | 2010 |
| Current price | Check price Here ==> |
| Color choice |
- Matte Orange -Matte Black |
| Sizes |
- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.00 (inches) Bontrager LT-3 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano EF-50 Levers Tektro V-brake Brakes |
| Hubs for disc brakes | Formula FM-31 Alloy |
| Rims manufacturer | Bontrager 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alpha White Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Approved Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Approved |
| Headset size | 1 1/8 (inches) Threadless VP-A68-TK |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 42/34/24 Teeth Shimano M191 |
| Gear shift levers | Shimano EF-50 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Trek 3900 Fork System Data
| Derailleur (Front) | Shimano C051 |
| Derailleur (Rear) | Shimano M-360 |
| Fork material | Single Crown |
| Fork type | 100 (millimeters) Travel SR Suntour SF9 XCT V2 |
Other Specs of Trek 3900
| Component group sets | Mountain Mix |
| Pedals details | Wellgo Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager SSR |
| Seat post extension | 31.6 (millimeters) Diameter Bontrager SSR |
Useful links and guides ....
- To know more about this exacte bike, Rocky Mountain provided us with the latest version of its Thin Air bike manual
- Find All parts, tires and accessories of Rocky Mountain Thin Air Mountain bike here
- Get your Trek 3900 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 3900 Mountain bike here