Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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1 of 2 bicycles
At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Data limitation
No geometry is recorded for 2004 Marin Portofino and 2008 Marin Portofino.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Lowest1.25:1Highest4.33:1Total range347%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 700C×28; rear size isn’t listed.
Lowest1.25:1Highest4.17:1Total range333%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 700C×23; rear size isn’t listed.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.
Specification
2004 Marin Portofino
2008 Marin Portofino
Overview
Model Year
2004
2008
Brand
Marin
Marin
Model
Portofino
Portofino
Bicycle Type
Road race & triathlon
Road/sport
Original MSRP
$799.99
$700.00
Colors
Gloss Metallic Black/Silver
Gloss Smoke
Sizes
S, M, L, XL
52cm, 54cm, 56cm, 58cm, 61cm
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded/bonded
Frame Material
Columbus Thron,/carbon fiber
6061 aluminum
Fork
—
Carbon Road
Fork Material
Carbon fiber
Carbon, aero crown
Drivetrain
Component Group
Road Mix
Road Mix
Shifters
Shimano Sora STI Dual Control
Shimano Sora
Front Derailleur
Shimano FD-2203
Shimano 2203
Rear Derailleur
Shimano Sora
Shimano Sora
Crankset
TruVativ Touro, 30/42/52 teeth
FSA Vero, 30/39/50 teeth
Bottom Bracket
TruVativ cartridge
Sealed cartridge
Rear Cogs
8-speed, 12 - 24 teeth
8-speed, 12 - 24 teeth
Chain
Shimano HG-50
Shimano HG40
Pedals
Alloy, Toe Clip and Strap
Composite with Alloy Cage
Brakes
Brakes
Shimano Sora Dual Pivot brakes, Shimano Sora STI Dual Control levers
Dual pivot brakes, Shimano Sora levers
Cockpit & Contact Points
Headset
1 1/8" threadless Ritchey Logic
1 1/8" Ritchey Logic Comp
Handlebar
Cinelli Altera
6061 Alloy OS
Handlebar Extensions
Not included
Not included
Stem
Forged and CNC 4 bolt road
Alloy Adjustable
Saddle
Selle Italia XO XP
Marin Plush Road
Seatpost
Comp Alloy Micro Adjust
Suspension, 27.2mm diameter
Wheels & Tires
Hubs
Shimano 2200
Formula
Rims
Mavic CXP 22, 32-hole
Alex R450, 28-hole/32-hole
Spokes
DT stainless steel, 15ga. (1.8mm) straight gauge
WTB stainless steel, 15ga. (1.8mm)
Spoke Nipples
Aluminum nipples
—
Front Tire
700 x 28c Kenda Road
700 x 23c Kenda Koncept
Wheel Size
700c wheels
700c wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.