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 2010 Rocky Mountain Metropolis SEA and 2011 Rocky Mountain Metropolis Sea.

Gearing comparison

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

RPM

RPM = pedal turns per minute.

2010 Rocky Mountain Metropolis SEA48/34T · 12–25T · 9-speed
Lowest1.36:1Highest4.00:1Total range294%
Estimated speed at 90 RPMLowest gear9.8 mphHighest gear28.9 mph

Uses front tire 700C×32; rear size isn’t listed.

2011 Rocky Mountain Metropolis Sea48/34T · 12–25T · 9-speed
Lowest1.36:1Highest4.00:1Total range294%
Estimated speed at 90 RPMLowest gear9.9 mphHighest gear29.1 mph

Uses front tire 700C×34; 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
2010 Rocky Mountain Metropolis SEA
2011 Rocky Mountain Metropolis Sea
Overview
Model Year
2010
2011
Brand
Rocky Mountain
Rocky Mountain
Model
Metropolis SEA
Metropolis Sea
Bicycle Type
City/commuter
City/commuter
Colors
Matte Black
Black
Sizes
14", 16", 18", 20", 22"
48, 51, 54, 57, 60
Weight
—
—
Frameset
Frame Construction
TIG-welded
Alloy
Frame Material
7005 RMB Custom Alloy Super Triple Butted
7005 Alloy
Fork
—
Alloy
Fork Material
Alloy, unicrown crown
Alloy
Drivetrain
Component Group
Shimano Tiagra Mix
Commuter Mix
Shifters
Shimano Tiagra
Shimano Tiagra
Front Derailleur
Shimano Tiagra, clamp on 34.9mm
Shimano Tiagra
Rear Derailleur
Shimano Tiagra
Shimano Tiagra
Crankset
RMB RM-U48 ISIS Alloy Arm, 34/48 teeth
RMB RM-U48 ISIS Alloy Arm, 48/34t teeth
Bottom Bracket
RMB Isis
RMB Isis
Cassette
Shimano Tiagra
Shimano Tiagra
Rear Cogs
9-speed, 12 - 25 teeth
9-speed, 12 - 25 teeth
Chain
Shimano Tiagra
Shimano Tiagra
Pedals
Not included
—
Brakes
Brakes
Avid BB 5 Mechanical brakes, Shimano Tiagra levers
Avid BB 5 Mechanical brakes, Tektro RL-721 Top Mount levers
Cockpit & Contact Points
Headset
Fsa
FSA Threadless
Handlebar
FSA Vero
FSA Vero
Handlebar Extensions
Not included
Not included
Stem
RMB flip/flop 31.8mm
RMB flip/flop 6-degree
Saddle
Rocky Mountain
Rocky Mountain
Seatpost
RMB, 31.6mm diameter
RMB, 31.6mm diameter
Wheels & Tires
Hubs
Wheeltech Disc Super Sealed W/Alloy QR
Wheeltech disc super sealed
Rims
Alex ACE-24
Alex ACE-24
Spokes
Stainless
Stainless stainless
Front Tire
700 x 32c Geax Mezcal
700 x 34c Geax Mezcal
Wheel Size
700c wheels
700c wheels

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

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