K2 ASTRAL 4.0 2005 VS Nishiki OPTIMA 1994 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 |
Nishiki Optima
General Infos| Model | Optima |
| Manufacturer | Nishiki |
| Year of production | 1994 |
| Current price | Check price Here ==> |
| Color choice |
-Not found |
| Sizes |
- 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches) |
Wheels And Breaking System
| Bike front tire | Kenda K-803 |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Levers 400CX Brakes |
| Hubs for disc brakes | 400CX |
| Rims manufacturer | 32-hole Sun Metal L18 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded Steel |
| Handlebar construction | Kalloy AL001 |
| Handlebar extender | Not Available |
| Handlebar stem details | Lee Chi HSM653SB2g |
| Headset size | Not Available |
Gearing Specifications
| Bicycle chain | Shimano HG-50 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 20/32/42 Teeth 400CX |
| Gear shift levers | Shimano 400CX Rapidfire Plus |
| Rear gear set | 11 - 19 Teeth 7-speed |
Nishiki Optima Fork System Data
| Derailleur (Front) | 400CX |
| Derailleur (Rear) | Shimano 700CX |
| Fork material | Not Available |
| Fork type | Chromoly Steerer |
Other Specs of Nishiki Optima
| Component group sets | Shimano 400CX |
| Pedals details | Wellgo LU-995 With Clips |
| Rear shock absorber | Not Available |
| Saddle seat | Vetta SL Racing |
| Seat post extension | Kalloy SP-248 |
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 Nishiki Optima manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Nishiki Optima Hybrid here