Co-Motion CUSTOM MOUNTAIN 1997 VS Trek 3900 2005 specs comparison
Co-Motion Custom Mountain
General Infos| Model | Custom Mountain |
| Manufacturer | Co-Motion |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
- bronze - chrome yellow - cream - custom - green metallic - red -Blue |
| Sizes |
- Custom |
| Sizes |
- Custom |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) IRC PiranhaPro |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano XTR Levers Shimano XTR V-Brake Brakes |
| Hubs for disc brakes | Shimano XTR |
| Rims manufacturer | 32-hole Mavic 217 SUP |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 2.0 (millimeters) Double Butted Wheelsmith Stainless Steel |
Frame and Body Specs
| Frame materials | Reynolds 853 |
| Frame type | TIG-welded |
| Handlebar construction | Syncros Hardcore |
| Handlebar extender | Optional |
| Handlebar stem details | Co-Motion Chromoly |
| Headset size | 1 1/8 (inches) Threadless Shimano XTR |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-IG90 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 112.5 (millimeters) Spindle Shimano BB-M950 |
| Crankset parts and sizes | 24/34/46 Teeth Shimano XTR M950-IG |
| Gear shift levers | Shimano XTR RapidFire SL |
| Rear gear set | Optional Of Gearing 8-speed |
Co-Motion Custom Mountain Fork System Data
| Derailleur (Front) | Top-pull and bottom Bracket Mount Shimano XTR |
| Derailleur (Rear) | Shimano XTR SGS |
| Fork material | Triple-clamp Crown Magnesium |
| Fork type | Rock Shox Judy XC |
Other Specs of Co-Motion Custom Mountain
| Component group sets | Shimano XTR 950 |
| Pedals details | Optional |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager With Titanium Rails |
| Seat post extension | 26.8 (millimeters) Diameter Syncros Pro Series Aluminum |
Trek 3900
General Infos| Model | 3900 |
| Manufacturer | Trek |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice |
- Black -Yellow and Blue |
| Sizes |
- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - womens 13 (inches) - womens 16 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.00 (inches) Bontrager Connection Trail |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Levers Tektro Aluminum Brakes |
| Hubs for disc brakes | Q and R Rear: Shimano FH-RM30 Front: Aluminum |
| Rims manufacturer | Matrix 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | Stainless Steel |
Frame and Body Specs
| Frame materials | Alpha Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager |
| Headset size | Not Available |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 24/34/42 Teeth SR |
| Gear shift levers | Shimano ST-EF29 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Trek 3900 Fork System Data
| Derailleur (Front) | Shimano FD-C050 |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Single Crown Aluminum |
| Fork type | 70 (millimeters) InSync Grind 1 |
Other Specs of Trek 3900
| Component group sets | Mountain Mix |
| Pedals details | Nylon |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager Sport |
| Seat post extension | Bontrager |
Useful links and guides ....
- To know more about this exacte bike, Co-Motion provided us with the latest version of its Custom Mountain bike manual
- Find All parts, tires and accessories of Co-Motion Custom Mountain 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