Giant Defy Alliance 1 2009 Technical specs and features

Brand Giant
Model Defy Alliance 1
First production 2009
Bike category Road
Bike sub-category Road Race & Triathlon
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Parts And Accessories Giant Defy Alliance 1 Parts   
Available Sizes - Xsmall
- small
- medium
- large
- xlarge


Wheels And Breaking System

Bike front tire700 X 25c Michelin Speedium 2
Bike rear tireNot Available
Bike wheel size700c Wheels
Brakeset type Shimano 105 STI Levers
Tektro R530 Brakes
Hubs for disc brakesFormula Sealed
Rims manufacturer 24-hole and 28-hole
Mavic CXP 22
Spoke nipples typeNot Available
Spoke wheel 14/15ga. Butted
Sapim Race

Frame and Body Specifications

Frame materialsGiant Alliance Composite and AL
Frame typeTIG-welded and Monocoque
Handlebar constructionAL Anatomic Bend
Handlebar extenderOptional
Handlebar stem detailsGiant Alloy 31.8 (millimeters)
Headset size1 1/4 (inches)-1 1/8 (inches) Threadless

Gearing Specs

Bicycle chainShimano 105
Bottom bracket shell widthNot Available
Bottom bracket typeFSA Mega EXO
Crankset parts and sizes 34/50 Teeth
FSA Gossamer Mega Exo Compact
Gear shift leversShimano 105 STI
Rear gear set 12 - 27 Teeth
10-speed

Giant Defy Alliance 1 Fork System Data

Derailleur (Front)Shimano 105
Derailleur (Rear)Shimano 105
Fork material Aero Crown
Carbon Fiber and aluminum Steerer
Fork typeGiant Advanced Composite

Other Specs of Giant Defy Alliance 1

Component group setsShimano 105
Available colors - Blue and Composite and Smoke
Weight Not Available
Pedals detailsCrank Brothers Smarty
Rear shock absorberNot Available
Saddle seatGiant Performance Road
Seat post extension 27.2 (millimeters) Diameter
Giant Composite


Giant Defy Alliance 1 bike review

Giant produced the Defy Alliance 1 bike in 2009 and can be classified as a Road bicycle, this exact model costs in american market arround $1,725.00.
Defy Alliance 1 bike is available in many sizes such as Xsmall , small , medium , large and xlarge .
Giant Road Defy Alliance 1 can be found in a few colors, among these colors Blue and Composite and Smoke .
This bike is equiped with 700 x 25c Michelin Speedium 2 tires and Sapim Race spoke wheel while the rims are manufactured by Mavic CXP 22, 24-hole/28-hole. Giant equiped this exact model with Tektro R530 brakes, Shimano 105 STI levers braking system and Formula sealed hubs.
To guarantee the comfiest ride Giant used Giant Alliance Composite/AL material for the frame. AL anatomic bend high strength material is used on the handlebar of this Defy Alliance 1 to ensure the perfect handling while the stems are made of Giant alloy 31.8mm.
For the smoothest biking experience FSA Gossamer Mega Exo Compact, 34/50 teeth is used on this bicycle linked to Shimano 105 chain that is easily replaceable as stated by Giant, the whole system is connected to a high reliability Shimano 105 STI gear shift levers.