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 2005 Marin Kentfield and 2004 Marin Kentfield.
- Gearing
2004 Marin Kentfield has a 18% lower climbing ratio than 2005 Marin Kentfield.
A lower ratio gives more mechanical advantage; rear-wheel rollout determines distance per crank turn.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Lowest1.00:1Highest3.43:1Total range343%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 700C×32.
Lowest0.82:1Highest3.69:1Total range448%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 700C×35; 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
2005 Marin Kentfield
2004 Marin Kentfield
Overview
Model Year
2005
2004
Brand
Marin
Marin
Model
Kentfield
Kentfield
Bicycle Type
City/commuter
City/commuter
Original MSRP
Not documented
$299.99
Colors
Matte Gunmetal
Matte Titanium
Sizes
13.5", 15.5", 17.5", 19", 20.5", womens 15.5"
13.5", 15.5", 17.5", 19", 20.5", womens 15", womens 17"
Weight
—
—
Frameset
Frame Construction
TIG-welded
—
Frame Material
7000 aluminum
Chromoly main triangle/hi-tensile steel rear stays
Fork
Marin
—
Fork Material
Chromoly, unicrown crown
Chromoly, unicrown crown
Drivetrain
Component Group
Hybrid Mix
Hybrid Mix
Shifters
Shimano Altus EZ-Fire
Shimano Altus
Front Derailleur
Shimano Tourney TY-30
Shimano Tourney TY-30
Rear Derailleur
Shimano Acera
Shimano Acera
Crankset
Suntour XCC-100, 28/38/48 teeth
SR Suntour NEX, 28/38/48 teeth
Bottom Bracket
Sealed cartridge
Sealed cartridge
Rear Cogs
7-speed, 14 - 28 teeth
7-speed, 13 - 34 teeth
Chain
Shimano CN-UG50, 1/2 x 3/32"
Shimano CN-UG50
Pedals
Composite body
Resin
Brakes
Brakes
Aluminum linear-pull brakes, Shimano Altus levers
Aluminum linear-pull brakes, Shimano Altus levers
Cockpit & Contact Points
Headset
1 1/8" threaded double sealed
1" threaded Double sealed
Handlebar
Aluminum, 2" rise
Alloy, 2" rise
Handlebar Extensions
Not included
Not included
Stem
Aluminum
Forged alloy 30 Rise
Saddle
Marin Comfort
Comfort
Seatpost
Aluminum suspension, 27.2mm diameter
In-Sync Bum suspension
Wheels & Tires
Hubs
Aluminum, Q/R
Aluminum, Q/R
Rims
Aluminum, 36-hole
Aluminum, 36-hole
Spokes
Stainless steel, 14ga. (2.0mm) straight gauge
Stainless steel, 14ga. (2.0mm) straight gauge
Spoke Nipples
Brass nipples
—
Front Tire
700 x 35c Kenda Kwest
700 x 35c City tread
Rear Tire
700 x 32c Kenda Kwest
—
Wheel Size
700c wheels
700c wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.