Sun Bicycles COMFORT 21 2003 VS Trek RAIL 1 2006 specs comparison
Sun Bicycles Comfort 21
General Infos| Model | Comfort 21 |
| Manufacturer | Sun Bicycles |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice |
- Red and Silver -Blue and Silver |
| Sizes |
- 19 (inches) - 21 (inches) - womens 15 (inches) - womens 17 (inches) |
| Sizes |
- 19 (inches) - 21 (inches) - womens 15 (inches) - womens 17 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Kenda K-841 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Aluminum Linear-pull Levers Aluminum Linear-pull Brakes |
| Hubs for disc brakes | Q and R Rear: Aluminum Nutted Front: Aluminum |
| Rims manufacturer | 36-hole Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | 2.75 (inches) Rise Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | Adjustable Aluminum |
| Headset size | 1 (inches) Threaded Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Victor VP-B32 |
| Crankset parts and sizes | 28/38/48 Teeth Shimano Tourney |
| Gear shift levers | Shimano Tourney RevoShift |
| Rear gear set | 14 - 34 Teeth 7-speed |
Sun Bicycles Comfort 21 Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters) Shimano Tourney TY-32 |
| Derailleur (Rear) | Shimano Altus |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Not Available |
Other Specs of Sun Bicycles Comfort 21
| Component group sets | Comfort Mix |
| Pedals details | Victor VP Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Comfort |
| Seat post extension | 25.4 (millimeters) Diameter Suspension Aluminum |
Trek Rail 1
General Infos| Model | Rail 1 |
| Manufacturer | Trek |
| Year of production | 2006 |
| Current price | Check price Here ==> |
| Color choice |
- Soft Yellow Pearl -Matte Black |
| Sizes |
- 19 (inches) - womens 17 (inches) |
Wheels And Breaking System
| Bike front tire | Bontrager Hank |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Coaster Brake Rear |
| Hubs for disc brakes | Rear: Coaster Brake Front: Aluminum |
| Rims manufacturer | Aluminum |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alpha Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Cruiser Steel |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | 1 1/8 (inches) Threadless Aheadset Slimstak |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 32 Teeth 3-piece Aluminum |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Trek Rail 1 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Steel |
| Fork type | Trek |
Other Specs of Trek Rail 1
| Component group sets | Not Available |
| Pedals details | Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Trek Cruiser |
| Seat post extension | Aluminum |
Useful links and guides ....
- To know more about this exacte bike, Sun Bicycles provided us with the latest version of its Comfort 21 bike manual
- Find All parts, tires and accessories of Sun Bicycles Comfort 21 Cruiser here
- Get your Trek Rail 1 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek Rail 1 Cruiser here