Velopedia Bicycle Archive

Compare Bicycles

Compare published geometry, gearing and specifications for up to three bicycles.

1 of 2 bicycles

At a glance

Key differences

Supported differences are shown below. Data limitations are labeled separately.

  1. Data limitation

    No geometry is recorded for 2011 Marin Alcatraz and 2010 Marin Alcatraz.

Gearing comparison

Lower gears help on climbs. Higher gears suit higher speeds.

RPM

RPM = pedal turns per minute.

2011 Marin Alcatraz36T · 16T · 1-speed
Ratio2.25:1
Estimated speed at 90 RPMGear16.0 mph

Uses front tire 26×2.3; rear size isn’t listed.

2010 Marin Alcatraz36T · 16T · 1-speed
Ratio2.25:1
Estimated speed at 90 RPMGear16.2 mph

Uses front tire 26×2.4; 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.

Try other gearing

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.
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Specification
2011 Marin Alcatraz
2010 Marin Alcatraz
Overview
Model Year
2011
2010
Brand
Marin
Marin
Model
Alcatraz
Alcatraz
Bicycle Type
Mountain bike, front suspension
Mountain bike, front suspension
Original MSRP
$1,299.99
$1,260.00
Colors
Blue/neon green
Gloss White
Sizes
14
14"
Weight
—
—
Frameset
Frame Construction
Steel
TIG-welded
Frame Material
4130 chromoly
4130 chromoly
Fork
Marzocchi Dirt Jump 3, 100mm travel
Marzocchi Dirt Jumper 3, 100mm travel
Fork Material
—
Single
Drivetrain
Component Group
Mountain Mix
Mountain Mix
Crankset
FSA Gap MegaExo, 36T teeth
FSA Gap MegaExo, 36 teeth
Bottom Bracket
FSA Mega EXO
FSA X-Drive Euro
Cassette
Cog
Cassette cog
Rear Cogs
1-speed, 16 teeth
1-speed, 16 teeth
Chain
Kmc
Kmc
Pedals
BMX Platform
BMX Platform
Brakes
Brakes
Avid Elixer 3 Hydraulic Disc brakes, Avid Hydraulic Disc levers
Avid Juicy 3 w/185mm Rotor front/Avid Juicy 3 w/160mm rotor rear brakes, Avid Juicy 3 levers
Cockpit & Contact Points
Headset
1 1/8" FSA the Mallet
1 1/8" threadless FSA Hammer
Handlebar
FSA Gravity Lite
FSA Maximus Riser, 40mm rise
Handlebar Extensions
Not included
Not included
Stem
Gravity Light
Gravity DH
Saddle
WTB Jaxon V
WTB Jaxon V
Seatpost
FSA FR-205, 27.2mm diameter
FSA FR-200, 350mm, 27.2mm diameter
Wheels & Tires
Hubs
Front: Pro Alloy Quad Sealed 20mm Through Axle, Rear: Single Speed Alloy Double Sealed
Front: Pro Alloy Quad Sealed 20mm Through Axle, Rear: Single Speed Alloy Double Sealed
Rims
FSA Gravity, 32-hole/36-hole
WTB Dual Duty Free Ride, 36-hole
Spokes
WTB stainless, 14ga. (2.0mm)
WTB stainless, 14ga. (2.0mm) straight gauge
Front Tire
26 x 2.3" Kenda K-Rad
26 x 2.40" Maxxis Holy Roller
Wheel Size
26" wheels
26" wheels

Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.

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