K2 ASTRAL 4.0 2005 VS Trek 720 1998 specs comparison
K2 Astral 4.0
General Infos| Model | Astral 4.0 |
| Manufacturer | K2 |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice |
-Blue and Silver |
| Sizes |
- Small - Medium - Large - Extra large |
| Sizes |
- Small - Medium - Large - Extra large |
Wheels And Breaking System
| Bike front tire | 700 X 28c Vittoria Randonneur |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Tektro Levers Tektro Linear-pull Brakes |
| Hubs for disc brakes | Q and R Aluminum |
| Rims manufacturer | 32-hole Alex DA-16 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 7000 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | Aluminum Flat Bar |
| Handlebar extender | Optional |
| Handlebar stem details | Adjustable Aluminum |
| Headset size | 1 1/8 (inches) Integrated TH Intelliset |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC HG-53 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 28/38/48 Teeth TruVativ Five-D |
| Gear shift levers | Shimano ST-R443 |
| Rear gear set | 11 - 28 Teeth 8-speed |
K2 Astral 4.0 Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on Shimano FD-R443 |
| Derailleur (Rear) | Shimano Tiagra GS |
| Fork material | Unicrown Crown Aluminum |
| Fork type | K2 |
Other Specs of K2 Astral 4.0
| Component group sets | Hybrid Mix |
| Pedals details | Aluminum Cage With Clips & Straps |
| Rear shock absorber | Not Available |
| Saddle seat | K2 ComfortTech |
| Seat post extension | Aluminum Micro-adjust |
Trek 720
General Infos| Model | 720 |
| Manufacturer | Trek |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Ice Red |
| Sizes |
- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 17 (inches) - womens 20 (inches) |
Wheels And Breaking System
| Bike front tire | 700 X 38c Trek Invert II |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Lee Chi LV77E Levers Lee Chi TX33 Brakes |
| Hubs for disc brakes | Q and R Rear: Shimano RM40 Front: Aluminum |
| Rims manufacturer | 36-hole Weinmann 519 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Steel |
| Headset size | 1 (inches) Victor VP-H67W |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Sachs PC-10 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 118 (millimeters) Spindle Shimano BB-CT91E |
| Crankset parts and sizes | 28/38/48 Teeth Shimano Altus |
| Gear shift levers | Grip Shift MRX-170 |
| Rear gear set | 11 - 28 Teeth 7-speed |
Trek 720 Fork System Data
| Derailleur (Front) | Top-pull Shimano Altus Top-swing |
| Derailleur (Rear) | Shimano AceraX |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Trek |
Other Specs of Trek 720
| Component group sets | Hybrid Mix |
| Pedals details | Resin Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Trek Hi-density |
| Seat post extension | 27.2 (millimeters) Diameter Aluminum Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, K2 provided us with the latest version of its Astral 4.0 bike manual
- Find All parts, tires and accessories of K2 Astral 4.0 Hybrid here
- Get your Trek 720 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 720 Hybrid here