Schwinn SIERRA 21 2011 VS Schwinn SIERRA GSD 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 LeversProMax Linear-pull Brakes |
| Hubs for disc brakes | KT Alloy |
| Rims manufacturer | 32-holeAlex 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 Bend80 (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 TeethSchwinn 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) DiameterAlloy Suspension |
Schwinn Sierra GSD
General Infos| Model | Sierra GSD |
| Manufacturer | Schwinn |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice | - Green and Light Green-Dark Green and Green |
| Sizes | - 15 (inches)- 17 (inches)- 19 (inches)- 21 (inches)- womens 13 (inches)- womens 17 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.90 (inches) Smooth Rolling All Weather Touring |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | ProMax 3-Finger Lever LeversRadius MECH 7.0 Disc Brakes |
| Hubs for disc brakes | Rear: Quandro Alloy Disc With QRFront: Joy Tech Sealed Alloy Disc With QR |
| Rims manufacturer | 32-holeAlex AP17 |
| Spoke nipples type | CP Brass |
| Spoke wheel | 14ga. Stainless Steel |
Frame and Body Specs
| Frame materials | Schwinn 'N Litened Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | 80 (millimeters) RiseHi-Ten Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy Adjustable |
| Headset size | 1 1/8 (inches) Threaded VP |
Gearing Specifications
| Bicycle chain | KMC Z72 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | VP Semi-cartridge With JIS Square Taper |
| Crankset parts and sizes | 28/38/48 TeethSR Suntour XCC-T308 |
| Gear shift levers | SRAM ESP 3.0 Comp |
| Rear gear set | 11 - 32 Teeth8-speed |
Schwinn Sierra GSD Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters)SR Suntour FD-CXM208 |
| Derailleur (Rear) | SRAM SX4 |
| Fork material | Single CrownAluminum and steel |
| Fork type | 63 (millimeters) TravelRST CT-COM 1 |
Other Specs of Schwinn Sierra GSD
| Component group sets | Comfort Mix |
| Pedals details | Nylon Dual-compound Comfort |
| Rear shock absorber | Not Available |
| Saddle seat | Schwinn Comfort Tuned Plus |
| Seat post extension | 26.6 (millimeters) DiameterAlloy Suspension Micro Adjust |
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 Schwinn Sierra GSD manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Schwinn Sierra GSD Commuter here