Schwinn Sierra Seven 2007 Technical specs and features

Brand Schwinn
Model Sierra Seven
First production 2007
Bike category Commuter
Bike sub-category Comfort Commuter
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Parts And Accessories Schwinn Sierra Seven 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 Gauged Hi-Ten
Frame typeTIG-welded
Handlebar construction 80 (millimeters) Rise
Hi-Ten Steel
Handlebar extenderOptional
Handlebar stem detailsAlloy
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 40 Teeth
Pro Wheel
Gear shift leversSRAM MRX Grip Shift
Rear gear set 13 - 34 Teeth
7-speed

Schwinn Sierra Seven Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Shimano Tourney TX-30
Fork material Unicrown Crown
Hi-Ten
Fork typeSchwinn N'Gauged

Other Specs of Schwinn Sierra Seven

Component group setsComfort Mix
Available colors - Champagne
- Blue
Weight Not Available
Pedals detailsNylon Comfort
Rear shock absorberNot Available
Saddle seatSchwinn Comfort Tuned Super Soft
Seat post extension 26.6 (millimeters) Diameter
Alloy Suspension Micro Adjust


Schwinn Sierra Seven bike review

Schwinn produced the Sierra Seven bike in 2007 and can be classified as a Commuter bicycle, this exact model costs in american market arround $229.99.
Sierra Seven 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 Seven can be found in a few colors, among these colors Champagne and Blue .
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 Gauged Hi-Ten material for the frame. Hi-Ten Steel, 80mm Rise high strength material is used on the handlebar of this Sierra Seven to ensure the perfect handling while the stems are made of Alloy.
For the smoothest biking experience Pro Wheel, 40 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 MRX Grip Shift gear shift levers.