Schwinn Sierra 21 2012 Technical specs and features

Brand Schwinn
Model Sierra 21
First production 2012
Bike category Hybrid
Bike sub-category Hybrid Comfort
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Parts And Accessories Schwinn Sierra 21 Parts   
Available Sizes - L
- M
- S
- XS


Wheels And Breaking System

Bike front tireDuro Sierra 26x1.75
Bike rear tireNot Available
Bike wheel sizeNot Available
Brakeset typeSchwinn Alloy V-Brake
Hubs for disc brakesKT Alloy 32 Hole KT Alloy 32 Hole
Rims manufacturerUnavailable Wheelset
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specifications

Frame materialsSchwinn Comfort Aluminum
Frame typeNot Available
Handlebar constructionScwhinn Comfort Steel
Handlebar extenderNot Available
Handlebar stem detailsSchwinn Alloy Quill Adj.
Headset sizeVp Threaded 1 1/8 (inches)

Gearing Specs

Bicycle chainKMC Z-51
Bottom bracket shell widthNot Available
Bottom bracket typeCartridge
Crankset parts and sizesSchwinn S Logo 42/34/24t
Gear shift leversShimano Tourney Revo
Rear gear setNot Available

Schwinn Sierra 21 Fork System Data

Derailleur (Front)Shimano Tourney
Derailleur (Rear)Shimano Altus 7spd
Fork materialNot Available
Fork typeSuntour M3010 63 (millimeters)

Other Specs of Schwinn Sierra 21

Component group setsNot Available
Available colors - Grape
- Red
- Sterling Silver
Weight Not Available
Pedals detailsPlastic Body With Reflector
Rear shock absorberUnavailable Rear Shock
Saddle seatSchwinn Comfort Spring
Seat post extensionSchwinn Alloy Suspension


Schwinn Sierra 21 bike review

Schwinn produced the Sierra 21 bike in 2012 and can be classified as a Hybrid bicycle, this exact model costs in american market arround $440.00.
Sierra 21 bike is available in many sizes such as L , M , S and XS .
Schwinn Hybrid Sierra 21 can be found in a few colors, among these colors Grape, Red and Sterling Silver .
This bike is equiped with Duro Sierra 26x1.75 tires while the rims are manufactured by Unavailable wheelset. Schwinn equiped this exact model with Schwinn Alloy V-Brake braking system and KT Alloy 32 hole KT Alloy 32 hole hubs.
To guarantee the comfiest ride Schwinn used Schwinn Comfort Aluminum material for the frame. Scwhinn Comfort Steel high strength material is used on the handlebar of this Sierra 21 to ensure the perfect handling while the stems are made of Schwinn Alloy Quill Adj..
For the smoothest biking experience Schwinn S Logo 42/34/24t 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 Tourney Revo gear shift levers.