Kestrel KM40 ULTEGRA AERO 2003 VS Cervelo S2 RED 2011 specs comparison

Kestrel KM40 Ultegra Aero 2003 comparison online with competitors

Kestrel KM40 Ultegra Aero

General Infos
Model KM40 Ultegra Aero
Manufacturer Kestrel
Year of production 2003
Current price Check price Here ==>   
Color choice - Red and Carbon Weave
- Silver and Carbon Weave
-Black and Carbon Weave
Sizes - 52cm (centimeters)
- 56cm (centimeters)
Sizes - 52cm (centimeters)
- 56cm (centimeters)

Wheels And Breaking System

Bike front tire650 X 23c
Bike rear tireNot Available
Bike wheel size650c Wheels
Brakeset typeShimano Ultegra Dual Pivot
Hubs for disc brakesSpinergy Xaero
Rims manufacturerSpinergy Xaero Lite
Spoke nipples typeNot Available
Spoke wheelSpinergy

Frame and Body Specs

Frame materialsCarbon Fiber Composite
Frame typeMonocoque
Handlebar constructionNot Available
Handlebar extenderNot Available
Handlebar stem detailsNot Available
Headset size1 (inches) Threadless

Gearing Specifications

Bicycle chainShimano Ultegra
Bottom bracket shell width68 (millimeters) American
Bottom bracket type 109.5 (millimeters) Spindle
Shimano BB-6500
Crankset parts and sizes 39/53 Teeth
Shimano Ultegra
Gear shift leversShimano Ultegra Bar-end
Rear gear set9-speed

Kestrel KM40 Ultegra Aero Fork System Data

Derailleur (Front) Braze-on
Shimano Ultegra
Derailleur (Rear)Shimano Ultegra
Fork material Aero Crown
Carbon Fiber Composite With Alloy Steerer
Fork typeEMS Pro 650

Other Specs of Kestrel KM40 Ultegra Aero

Component group setsShimano Ultegra
Pedals detailsNot Available
Rear shock absorberNot Available
Saddle seatSelle Italia SLR
Seat post extension27.2 (millimeters) Diameter


Cervelo S2 Red 2011 comparison online with competitors

Cervelo S2 Red

General Infos
Model S2 Red
Manufacturer Cervelo
Year of production 2011
Current price Check price Here ==>   
Color choice -Black and red
Sizes - Not available

Wheels And Breaking System

Bike front tire700 X 23c Vittoria Rubino Pro Slick
Bike rear tireNot Available
Bike wheel size700c Wheels
Brakeset type SRAM Red Levers
SRAM Red Brakes
Hubs for disc brakesFulcrum Racing 7
Rims manufacturerFulcrum Racing 7
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsCarbon Fiber
Frame typeCarbon
Handlebar construction3T Ergonova Team
Handlebar extenderOptional
Handlebar stem details3T ARX Pro
Headset sizeFSA IS 3

Gearing Specifications

Bicycle chainSram PC 1071
Bottom bracket shell widthNot Available
Bottom bracket typeRotor BB1 Ceramics
Crankset parts and sizes 53/39t Teeth
Rotor 3D
Gear shift leversSRAM Red
Rear gear set12 - 25 Teeth

Cervelo S2 Red Fork System Data

Derailleur (Front)SRAM Red
Derailleur (Rear)SRAM Red
Fork materialNot Available
Fork type3T Funda Team

Other Specs of Cervelo S2 Red

Component group setsSRAM Red
Pedals detailsNot Available
Rear shock absorberNot Available
Saddle seatFi'zi:k Arione
Seat post extensionCervelo Aero SL


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