Schwinn Sierra 21 2011 Technical specs and features
| Brand | Schwinn |
| Model | Sierra 21 |
| First production | 2011 |
| Bike category | Commuter |
| Bike sub-category | Comfort Commuter |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | Schwinn Sierra 21 Parts |
| Available 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 Specifications
| 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 Specs
| 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 |
| Available colors | - Red - black |
| Weight | Not Available |
| Pedals details | Nylon Comfort |
| Rear shock absorber | Not Available |
| Saddle seat | Comfort Tuned |
| Seat post extension | 26.8 (millimeters) Diameter Alloy Suspension |
Schwinn Sierra 21 picture
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Schwinn produced the Sierra 21 bike in 2011 and can be classified as a Commuter bicycle, this exact model costs in american market arround $379.00.
Schwinn Commuter Sierra 21 can be found in a few colors, among these colors Red and black .
This bike is equiped with 26 x 1.95" Schwinn tires and Stainless spoke wheel while the rims are manufactured by Alex IC-1000, 32-hole. Schwinn equiped this exact model with ProMax linear-pull brakes, Promax alloy levers braking system and KT alloy hubs.
To guarantee the comfiest ride Schwinn used Schwinn N'Litened Aluminum material for the frame. 80mm rise, 25-degree bend high strength material is used on the handlebar of this Sierra 21 to ensure the perfect handling while the stems are made of Alloy 30 deg rise comfort.
For the smoothest biking experience Schwinn S Logo forged alloy, 42/34/24t teeth is used on this bicycle linked to KMC Z-51 chain that is easily replaceable as stated by Schwinn, the whole system is connected to a high reliability Shimano Revo twist gear shift levers.