GT KARAKORAM 1998 VS Trek 3900 DISC 2011 specs comparison
GT Karakoram
General Infos| Model | Karakoram |
| Manufacturer | GT |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
- mango -Gloss black |
| Sizes |
- 12.5 (inches) - 14.5 (inches) - 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 22 (inches) |
| Sizes |
- 12.5 (inches) - 14.5 (inches) - 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 22 (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 26 X 2.10 (inches) WTB VelociRaptor Front: 26 X 2.10 (inches) WTB EnduroRaptor Kevlar |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Deore LX Levers Shimano Deore LX V-Brake Brakes |
| Hubs for disc brakes | Q and R Rear: Shimano STX-RC Front: Aluminum |
| Rims manufacturer | 32-hole Mavic X138 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly Rear Stays Reynolds 525 Main Triangle |
| Frame type | TIG-welded |
| Handlebar construction | Kore Lite |
| Handlebar extender | Optional |
| Handlebar stem details | Kore Lite |
| Headset size | 1 1/8 (inches) Threadless Tioga |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-IG51 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | Shimano BB-UN52 |
| Crankset parts and sizes | 22/32/42 Teeth Shimano STX-RC |
| Gear shift levers | Shimano Deore LX RapidFire SL |
| Rear gear set | 11 - 30 Teeth 8-speed |
GT Karakoram Fork System Data
| Derailleur (Front) | Shimano STX Top-swing |
| Derailleur (Rear) | Shimano STX-RC |
| Fork material | Triple-clamp Crown Aluminum and magnesium |
| Fork type | Rock Shox Indy XC |
Other Specs of GT Karakoram
| Component group sets | Mountain Mix |
| Pedals details | Aluminum Body With Clips & Straps Steel Cage |
| Rear shock absorber | Not Available |
| Saddle seat | Hollow Chromoly Rails With Kevlar Sides WTB SSTK |
| Seat post extension | 29.6 (millimeters) Diameter Aluminum Micro-adjust |
Trek 3900 Disc
General Infos| Model | 3900 Disc |
| Manufacturer | Trek |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Deep Blue |
| Sizes |
- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.0 (inches) Bontrager LT3 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano EF50 Levers Tektro Novela Brakes |
| Hubs for disc brakes | Rear: Shimano Alloy M475 Front: Formula DC20 |
| Rims manufacturer | 36-hole Bontrager 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alloy |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Approved Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Approved |
| Headset size | 1 1/8 (inches) Threadless Semi Integrated |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 24/34/42 Teeth Shimano M171 |
| Gear shift levers | Shimano EF51 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Trek 3900 Disc Fork System Data
| Derailleur (Front) | Shimano M190 |
| Derailleur (Rear) | Shimano M360 |
| Fork material | Single |
| Fork type | 100 (millimeters) Travel SR Suntour XCT |
Other Specs of Trek 3900 Disc
| Component group sets | Shimano Mix |
| Pedals details | Wellgo Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontager SSR |
| Seat post extension | 31.6 (millimeters) Diameter Bontrager SSR |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Karakoram bike manual
- Find All parts, tires and accessories of GT Karakoram Mountain bike here
- Get your Trek 3900 Disc manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 3900 Disc Mountain bike here