Kona BLAST 1999 VS Trek 820 2011 specs comparison
Kona Blast
General Infos| Model | Blast |
| Manufacturer | Kona |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
-Scuba Yellow and Red |
| Sizes |
- 14 (inches) - 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches) |
| Sizes |
- 14 (inches) - 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches) |
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 AD-1.0 L Levers Avid 1D-10 Brakes |
| Hubs for disc brakes | Rear: Shimano Alivio Front: Kona OB-1 |
| Rims manufacturer | Mavic X138 |
| 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 | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | Alico YC-A227 B |
| Handlebar extender | Optional |
| Handlebar stem details | Kona Control |
| Headset size | 1 1/8 (inches) Threadless Tioga TG |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-IG31 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | Shimano BB-LP27 |
| Crankset parts and sizes | 24/32/42 Teeth Cyclone |
| Gear shift levers | Shimano Alivio RapidFire Plus |
| Rear gear set | 11 - 30 Teeth 8-speed |
Kona Blast Fork System Data
| Derailleur (Front) | Shimano Alivio Top-swing |
| Derailleur (Rear) | Shimano STX-RC |
| Fork material | Triple-clamp Crown Aluminum and magnesium |
| Fork type | 2.5 (inches) Travel RST Ga (millimeters)a EL |
Other Specs of Kona Blast
| Component group sets | Mountain Mix |
| Pedals details | Fasten NWL-90K |
| Rear shock absorber | Not Available |
| Saddle seat | SDG Comp |
| Seat post extension | 30.0 (millimeters) Diameter Kona Thumb |
Trek 820
General Infos| Model | 820 |
| Manufacturer | Trek |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Gloss 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 2.0 (inches) Bontrager LT3 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano EF40 Levers Tektro V Brakes |
| Hubs for disc brakes | Rear: Formula FM31 Front: Formula FM21 |
| Rims manufacturer | 36-hole Bontrager 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Steel |
| 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 | 28/38/48 Teeth Hawk DX |
| Gear shift levers | Shimano EF40 |
| Rear gear set | 13 - 34 Teeth 7-speed |
Trek 820 Fork System Data
| Derailleur (Front) | Shimano TX51 |
| Derailleur (Rear) | Shimano TX31 |
| Fork material | Single |
| Fork type | 63 (millimeters) Travel SR Suntour M-2025 |
Other Specs of Trek 820
| 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, Kona provided us with the latest version of its Blast bike manual
- Find All parts, tires and accessories of Kona Blast Mountain bike here
- Get your Trek 820 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 820 Mountain bike here