Nishiki OPTIMA SC 1998 VS Aero-Fast 2505 ST. MORITZ 1997 specs comparison
Nishiki Optima SC
General Infos| Model | Optima SC |
| Manufacturer | Nishiki |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Okanagon Green |
| Sizes |
- 16 (inches) - 18 (inches) - 20 (inches) - womens 16 (inches) - womens 19 (inches) |
| Sizes |
- 16 (inches) - 18 (inches) - 20 (inches) - womens 16 (inches) - womens 19 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Rolleasy Comfort |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Aluminum Levers Shimano Altus Brakes |
| Hubs for disc brakes | Shimano RM40 |
| Rims manufacturer | 36-hole Weinmann 519 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Chung Nan Stainless Steel |
Frame and Body Specs
| Frame materials | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | 2 (inches) Rise Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Aluminum |
| Headset size | 1 1/8 (inches) Victor VP-H94 Sealed |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z-51 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 110.5 (millimeters) Spindle Shimano BB-LP27 |
| Crankset parts and sizes | 24/34/42 Teeth Sugino Impel 250 |
| Gear shift levers | Grip Shift SRT-4.0 |
| Rear gear set | 12 - 28 Teeth 7-speed |
Nishiki Optima SC Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters) Shimano Alivio Top-swing |
| Derailleur (Rear) | Shimano STX |
| Fork material | Unicrown Crown 4130 Chromoly |
| Fork type | Nishiki Comfort |
Other Specs of Nishiki Optima SC
| Component group sets | Shimano Alivio |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Selle Stratos Hyper Plush With Bumper Guard |
| Seat post extension | 27.2 (millimeters) Diameter Aluminum Micro-adjust |
Aero-Fast 2505 St. Moritz
General Infos| Model | 2505 St. Moritz |
| Manufacturer | Aero-Fast |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
- light blue - metallic blue - metallic green - metallic pink -Dark blue |
| Sizes |
- 20 (inches) - womens 17.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.125 (inches) Kenda |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Sturmey Archer Drum |
| Hubs for disc brakes | Sturmey Archer |
| Rims manufacturer | 36-hole Rigida Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Marwi Stainless Steel |
Frame and Body Specs
| Frame materials | 4130 Chromoly Main Triangle and hi-tensile Steel Rear Stays |
| Frame type | Pulse-spray Silicone Bronze Welded |
| Handlebar construction | Wald |
| Handlebar extender | Not Available |
| Handlebar stem details | Wald |
| Headset size | 1 (inches) Wald |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) Allied-Locke |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | Wald |
| Crankset parts and sizes | 44 Teeth 1-piece 6 1/2 (inches) |
| Gear shift levers | Sturmey Archer 3-speed |
| Rear gear set | 19 Teeth 3-speed Internal |
Aero-Fast 2505 St. Moritz Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Emory Tubular |
Other Specs of Aero-Fast 2505 St. Moritz
| Component group sets | Sturmey Archer |
| Pedals details | Union |
| Rear shock absorber | Not Available |
| Saddle seat | Selle Royal |
| Seat post extension | Emory |
Useful links and guides ....
- To know more about this exacte bike, Nishiki provided us with the latest version of its Optima SC bike manual
- Find All parts, tires and accessories of Nishiki Optima SC Commuter here
- Get your Aero-Fast 2505 St. Moritz manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Aero-Fast 2505 St. Moritz Commuter here
