K2 SPIRE ROAD 2005 VS Marin PORTOFINO 2011 specs comparison

K2 Spire Road 2005 comparison online with competitors

K2 Spire Road

General Infos
Model Spire Road
Manufacturer K2
Year of production 2005
Current price Check price Here ==>   
Color choice -Not found
Sizes - Xsmall
- small
- medium
Sizes - Xsmall
- small
- medium

Wheels And Breaking System

Bike front tire700 X 23c Vittoria Zaffiro
Bike rear tireNot Available
Bike wheel size700c Wheels
Brakeset type Shimano ST-R600 STI Dual Control Levers
Tektro Dual Pivot Brakes
Hubs for disc brakes Q and R
Aluminum
Rims manufacturer 28-hole and 32-hole
Alex AKX R1.0
Spoke nipples typeBrass Nipples
Spoke wheel 14ga. Straight Gauge
Stainless Steel

Frame and Body Specs

Frame materials6000 aluminum c
Frame typeTIG-welded
Handlebar constructionRitchey Biomax II
Handlebar extenderOptional
Handlebar stem detailsRitchey Logic Road
Headset size1 1/8 (inches) Integrated FSA

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
KMC Z9000
Bottom bracket shell widthNot Available
Bottom bracket typeTruVativ ISIS Drive
Crankset parts and sizes 30/42/52 Teeth
TruVativ Elita A1
Gear shift leversShimano ST-R600 STI Dual Control
Rear gear set 12 - 26 Teeth
8-speed

K2 Spire Road Fork System Data

Derailleur (Front) Bottom-pull and clamp-on
Shimano 105 Triple
Derailleur (Rear)Shimano 105 GS
Fork material Aero Crown
Carbon Fiber and aluminum Steerer
Fork typeRST

Other Specs of K2 Spire Road

Component group setsRoad Mix Triple
Pedals detailsWellgo WAM-19 Clipless
Rear shock absorberNot Available
Saddle seatSelle Italia Lady
Seat post extensionCarbon Fiber


Marin Portofino 2011 comparison online with competitors

Marin Portofino

General Infos
Model Portofino
Manufacturer Marin
Year of production 2011
Current price Check price Here ==>   
Color choice -Black and orange
Sizes - Extra small
- Small
- Medium
- Large

Wheels And Breaking System

Bike front tire700 X 23c Kenda Koncept
Bike rear tireNot Available
Bike wheel size700c Wheels
Brakeset type Shimano Integrated Levers
Dual Pivot Brakes
Hubs for disc brakesFormula
Rims manufacturer 28-hole and 32-hole
Alex R450
Spoke nipples typeNot Available
Spoke wheel 15ga.
WTB Stainless

Frame and Body Specs

Frame materials6061 Double Butted Aluminum
Frame typeAluminum
Handlebar constructionFSA Vero Compact
Handlebar extenderOptional
Handlebar stem detailsAlloy Threadless
Headset size1 1/8 (inches) Ritchey Logic Comp

Gearing Specifications

Bicycle chainShimano HG40
Bottom bracket shell widthNot Available
Bottom bracket typeSealed Cartridge
Crankset parts and sizes 52/42/30t Teeth
FSA Vero Triple
Gear shift leversShimano 2300 STI
Rear gear set 12 - 25 Teeth
8-speed

Marin Portofino Fork System Data

Derailleur (Front)Shimano 2300
Derailleur (Rear)Shimano Sora
Fork materialCarbon
Fork typeRFE Carbon

Other Specs of Marin Portofino

Component group setsShimano Mix
Pedals detailsNot Available
Rear shock absorberNot Available
Saddle seatMarin Plush Road
Seat post extension 27.2 (millimeters) Diameter
Alloy Micro Adjust


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