Schwinn Sierra AL 2003 Technical specs and features

Brand Schwinn
Model Sierra AL
First production 2003
Bike category Commuter
Bike sub-category Comfort Commuter
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Parts And Accessories Schwinn Sierra AL Parts   
Available Sizes - 17 (inches) / 43.18 (cm)
- 17 (inches)
- 19 (inches) / 48.26 (cm)
- 19 (inches)
- 21 (inches) / 53.34 (cm)
- 21 (inches)
- 23 (inches) / 58.42 (cm)
- 23 (inches)
- womens 15 (inches)
- womens 18 (inches)


Wheels And Breaking System

Bike front tire26 X 1.90 (inches)
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Aluminum Linear-pull Levers
Aluminum Linear-pull Brakes
Hubs for disc brakes Q and R
Q and R
Rear: Formula Threaded
Front: Formula Aluminum
Rims manufacturerAlex
Spoke nipples typeBrass Nipples
Spoke wheel 14ga. Straight Gauge
Stainless Steel

Frame and Body Specifications

Frame materials6000 aluminum c
Frame typeTIG-welded
Handlebar construction80 (millimeters) Rise
Handlebar extenderOptional
Handlebar stem details Adjustable
Aluminum
Headset size1 1/8 (inches) Sealed Mechanism

Gearing Specs

Bicycle chain 1/2 X 3/32 (inches)
Shimano CN-UG50
Bottom bracket shell widthNot Available
Bottom bracket typeSemi-cartridge
Crankset parts and sizes 28/38/48 Teeth
Suntour XR-120
Gear shift leversSRAM 3.0
Rear gear set 11 - 34 Teeth
7-speed

Schwinn Sierra AL Fork System Data

Derailleur (Front)Shimano C051
Derailleur (Rear)SRAM ESP 3.0
Fork material Single Crown
Aluminum
Fork type 63 (millimeters) Travel
RST Capa-TL

Other Specs of Schwinn Sierra AL

Component group setsComfort Mix
Available colors - Burbundy and Sterling Silver
- Champagne and Deep Forrest Green
Weight Unspecified
Pedals detailsNylon Platform
Rear shock absorberNot Available
Saddle seatSuper Soft Plus
Seat post extension Suspension
Aluminum


Schwinn Sierra AL bike review

Schwinn produced the Sierra AL bike in 2003 and can be classified as a Commuter bicycle, this exact model costs in american market arround $299.99.
Sierra AL bike is available in many sizes such as 17 (inches), 19 (inches), 21 (inches), 23 (inches), womens 15 (inches) and womens 18 (inches).
Schwinn Commuter Sierra AL can be found in a few colors, among these colors Burbundy and Sterling Silver and Champagne and Deep Forrest Green .
This bike is equiped with 26 x 1.90" tires and Stainless steel spoke wheel while the rims are manufactured by Alex. Schwinn equiped this exact model with Aluminum linear-pull brakes, aluminum linear-pull levers braking system and Front: Formula aluminum, Q/R, Rear: Formula threaded, Q/R hubs.
To guarantee the comfiest ride Schwinn used 6000 aluminum material for the frame. 80mm rise high strength material is used on the handlebar of this Sierra AL to ensure the perfect handling while the stems are made of Aluminum, adjustable.
For the smoothest biking experience Suntour XR-120, 28/38/48 teeth is used on this bicycle linked to Shimano CN-UG50 chain that is easily replaceable as stated by Schwinn, the whole system is connected to a high reliability SRAM 3.0 gear shift levers.