Schwinn SIERRA 21 2011 VS Sun Bicycles BOARDWALK TYPE-R 2007 specs comparison
Schwinn Sierra 21
General Infos| Model | Sierra 21 |
| Manufacturer | Schwinn |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
- black -Red |
| Sizes |
- S |
| Sizes |
- S |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Schwinn |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Promax Alloy Levers ProMax Linear-pull Brakes |
| Hubs for disc brakes | KT Alloy |
| Rims manufacturer | 32-hole Alex IC-1000 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Stainless |
Frame and Body Specs
| Frame materials | Schwinn N'Litened Aluminum |
| Frame type | Aluminum |
| Handlebar construction | 25-degree Bend 80 (millimeters) Rise |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy 30 Deg Rise Comfort |
| Headset size | 1 1/8 (inches) Threaded |
Gearing Specifications
| Bicycle chain | KMC Z-51 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Cartridge |
| Crankset parts and sizes | 42/34/24t Teeth Schwinn S Logo Forged Alloy |
| Gear shift levers | Shimano Revo Twist |
| Rear gear set | Not Available |
Schwinn Sierra 21 Fork System Data
| Derailleur (Front) | Shimano TX50 |
| Derailleur (Rear) | Shimano Altus |
| Fork material | Not Available |
| Fork type | Rigid Frame |
Other Specs of Schwinn Sierra 21
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | Nylon Comfort |
| Rear shock absorber | Not Available |
| Saddle seat | Comfort Tuned |
| Seat post extension | 26.8 (millimeters) Diameter Alloy Suspension |
Sun Bicycles Boardwalk Type-R
General Infos| Model | Boardwalk Type-R |
| Manufacturer | Sun Bicycles |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Black -Ball-Burnished |
| Sizes |
- 20 (inches) - 23 (inches) - womens 16 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.125 (inches) Kenda Komfort |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Coaster Brake Rear |
| Hubs for disc brakes | Rear: Shimano Coaster Nutted Front: Aluminum |
| Rims manufacturer | 36-hole Aluminum Single Wall |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 12ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | Cruiser Steel |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | 1 (inches) Sealed Mech |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 117.5 (millimeters) Spindle Cartridge |
| Crankset parts and sizes | 44 Teeth Aluminum |
| Gear shift levers | Not Available |
| Rear gear set | 19 Teeth 1-speed |
Sun Bicycles Boardwalk Type-R Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown High-tensile Steel |
| Fork type | Sun |
Other Specs of Sun Bicycles Boardwalk Type-R
| Component group sets | Not Available |
| Pedals details | Resin Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Cruiser |
| Seat post extension | 27.2 (millimeters) Diameter Aluminum |
Useful links and guides ....
- To know more about this exacte bike, Schwinn provided us with the latest version of its Sierra 21 bike manual
- Find All parts, tires and accessories of Schwinn Sierra 21 Commuter here
- Get your Sun Bicycles Boardwalk Type-R manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Sun Bicycles Boardwalk Type-R Commuter here