Trek 3900 DISC 2011 VS Kona UNIT 2009 specs comparison
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) |
| 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 LeversTektro Novela Brakes |
| Hubs for disc brakes | Rear: Shimano Alloy M475Front: Formula DC20 |
| Rims manufacturer | 36-holeBontrager 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 TeethShimano M171 |
| Gear shift levers | Shimano EF51 |
| Rear gear set | 11 - 32 Teeth8-speed |
Trek 3900 Disc Fork System Data
| Derailleur (Front) | Shimano M190 |
| Derailleur (Rear) | Shimano M360 |
| Fork material | Single |
| Fork type | 100 (millimeters) TravelSR 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) DiameterBontrager SSR |
Kona Unit
General Infos| Model | Unit |
| Manufacturer | Kona |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice | -Black Metallic |
| Sizes | - 16 (inches)- 18 (inches)- 19 (inches)- 20 (inches)- 22 (inches) |
Wheels And Breaking System
| Bike front tire | 29 X 2.10 (inches) Maxxis Ignitor |
| Bike rear tire | Not Available |
| Bike wheel size | 29 (inches) Wheels |
| Brakeset type | Avid FR-5 LeversAvid BB 5 Mechanical Brakes |
| Hubs for disc brakes | Formula Disc |
| Rims manufacturer | Mavic TN 719 |
| Spoke nipples type | Not Available |
| Spoke wheel | 15ga. Sandvic Stainless |
Frame and Body Specs
| Frame materials | Kona Chromoly Butted |
| Frame type | TIG-welded |
| Handlebar construction | Kona XC and BC |
| Handlebar extender | Optional |
| Handlebar stem details | Kona XC and BC |
| Headset size | 1 1/8 (inches) TH |
Gearing Specifications
| Bicycle chain | KMC Z610 |
| Bottom bracket shell width | 73 (millimeters) |
| Bottom bracket type | FSA Mega EXO |
| Crankset parts and sizes | 32 TeethFSA V-Drive SS |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth1-speed |
Kona Unit Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown |
| Fork type | Kona P2 29er Disc |
Other Specs of Kona Unit
| Component group sets | Single Speed Mix |
| Pedals details | Kona Jackshit Deluxe |
| Rear shock absorber | Not Available |
| Saddle seat | WTB Rocket V Comp |
| Seat post extension | Kona XC and BC |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its 3900 Disc bike manual
- Find All parts, tires and accessories of Trek 3900 Disc Mountain bike here
- Get your Kona Unit manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Kona Unit Mountain bike here