Kona ROAST 1999 VS Trek 3900 2010 specs comparison
Kona Roast
General Infos| Model | Roast |
| Manufacturer | Kona |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
-Roast Red and Black |
| Sizes |
- Small - Medium - Large - Extra large |
| Sizes |
- Small - Medium - Large - Extra large |
Wheels And Breaking System
| Bike front tire | Rear: 26 X 2.10 (inches) Kona Gravy Front: 26 X 2.10 (inches) Kona Lumpy |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Avid SD-1.9 L Levers Avid Arch Rival 40 Brakes |
| Hubs for disc brakes | Rear: Shimano STX-RC Front: Ritchey Pro S |
| Rims manufacturer | Sun Rims Rhyno Lite |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 1.8 (millimeters) Front 2.0 (millimeters) Rear Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Kona DH 7005 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Kona DH Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Kona DH |
| Headset size | 1 1/8 (inches) Threadless Aheadset SX |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-HG72 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | Shimano BB-UN52 |
| Crankset parts and sizes | 22/32/42 Teeth Shimano Deore LX |
| Gear shift levers | Shimano Deore LX RapidFire SL |
| Rear gear set | 11 - 32 Teeth 9-speed |
Kona Roast Fork System Data
| Derailleur (Front) | Shimano Deore LX Top-swing |
| Derailleur (Rear) | Shimano Deore LX SGS |
| Fork material | Triple-clamp Crown Aluminum |
| Fork type | 3.15 (inches) Travel Marzocchi Bomber Z-3 LT |
Other Specs of Kona Roast
| Component group sets | Mountain Mix |
| Pedals details | Fasten NWL-230 Slalom Platform |
| Rear shock absorber | Not Available |
| Saddle seat | SDG Belair |
| Seat post extension | 30.0 (millimeters) Diameter Kona Thumb |
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, Kona provided us with the latest version of its Roast bike manual
- Find All parts, tires and accessories of Kona Roast 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