Schwinn Sierra GS 2007 Technical specs and features

Brand Schwinn
Model Sierra GS
First production 2007
Bike category Commuter
Bike sub-category Comfort Commuter
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Parts And Accessories Schwinn Sierra GS Parts   
Available Sizes - 15 (inches) / 38.1 (cm)
- 15 (inches)
- 17 (inches) / 43.18 (cm)
- 17 (inches)
- 19 (inches) / 48.26 (cm)
- 19 (inches)
- 21 (inches) / 53.34 (cm)
- 21 (inches)
- womens 13 (inches)
- womens 17 (inches)


Wheels And Breaking System

Bike front tire26 X 1.90 (inches) Smooth Rolling All Weather Touring
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type ProMax 3-Finger Lever Levers
Pro Max Alloy Linear Pull Brakes
Hubs for disc brakesFormula Sealed Alloy With QR
Rims manufacturer 36-hole
Single Wall Silver Anodized
Spoke nipples typeCP Brass
Spoke wheel 14ga.
Stainless Steel

Frame and Body Specifications

Frame materialsSchwinn 'N Litened Aluminum
Frame typeTIG-welded
Handlebar construction 80 (millimeters) Rise
Hi-Ten Steel
Handlebar extenderOptional
Handlebar stem detailsAlloy Adjustable
Headset size1 1/8 (inches) Threaded VP

Gearing Specs

Bicycle chainKMC Z51
Bottom bracket shell widthNot Available
Bottom bracket typeVP Semi-cartridge With JIS Square Taper
Crankset parts and sizes 28/38/48 Teeth
SR Suntour XCC-T208
Gear shift leversSRAM 3.0
Rear gear set 13 - 34 Teeth
7-speed

Schwinn Sierra GS Fork System Data

Derailleur (Front) Bottom-pull and clamp-on 31.8 (millimeters)
SR Suntour FD-XR05
Derailleur (Rear)SRAM 3.0
Fork material Single Crown
Aluminum and steel
Fork type 50 (millimeters) Travel
SR Suntour M2000

Other Specs of Schwinn Sierra GS

Component group setsComfort Mix
Available colors - Dark Red and Silver
- Green and Champagne
- Violet and Lavender
- Green and Champagne
Weight Not Available
Pedals detailsNylon Dual-compound Comfort
Rear shock absorberNot Available
Saddle seatSchwinn Comfort Tuned Plus
Seat post extension 26.6 (millimeters) Diameter
Alloy Suspension Micro Adjust


Schwinn Sierra GS bike review

Schwinn produced the Sierra GS bike in 2007 and can be classified as a Commuter bicycle, this exact model costs in american market arround $279.99.
Sierra GS bike is available in many sizes such as 15 (inches), 17 (inches), 19 (inches), 21 (inches), womens 13 (inches) and womens 17 (inches).
Schwinn Commuter Sierra GS can be found in a few colors, among these colors Dark Red and Silver, Green and Champagne, Violet and Lavender and Green and Champagne .
This bike is equiped with 26 x 1.90" Smooth Rolling All Weather Touring tires and Stainless steel spoke wheel while the rims are manufactured by Single Wall Silver Anodized, 36-hole. Schwinn equiped this exact model with Pro Max Alloy Linear Pull brakes, ProMax 3-Finger Lever levers braking system and Formula Sealed Alloy with QR hubs.
To guarantee the comfiest ride Schwinn used Schwinn 'N Litened Aluminum material for the frame. Hi-Ten Steel, 80mm Rise high strength material is used on the handlebar of this Sierra GS to ensure the perfect handling while the stems are made of Alloy Adjustable.
For the smoothest biking experience SR Suntour XCC-T208, 28/38/48 teeth is used on this bicycle linked to KMC Z51 chain that is easily replaceable as stated by Schwinn, the whole system is connected to a high reliability SRAM 3.0 gear shift levers.