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. Identity & price

    These bicycles are categorized differently: 2010 Brodie Quantum is City & Commuter; 2011 Brodie Quantum is Hybrid.

  2. Data limitation

    No geometry is recorded for 2010 Brodie Quantum and 2011 Brodie Quantum.

Gearing comparison

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

RPM

RPM = pedal turns per minute.

2010 Brodie Quantum48/38/28T · 11–34T · 8-speed
Lowest0.82:1Highest4.36:1Total range530%
Estimated speed at 90 RPMLowest gear6.1 mphHighest gear32.1 mph

Uses front tire 700C×38; rear size isn’t listed.

2011 Brodie Quantum48/38/28T · 11–34T
Lowest0.82:1Highest4.36:1Total range530%
Estimated speed at 90 RPMLowest gear6.0 mphHighest gear31.6 mph

Uses front tire 700C×32; 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 Brodie Quantum
2011 Brodie Quantum
Overview
Model Year
2010
2011
Brand
Brodie
Brodie
Model
Quantum
Quantum
Bicycle Type
Comfort/commuter
Hybrid
Original MSRP
$649.00
$699.00
Colors
Blue
Black
Sizes
S, M, L
S, M, L
Weight
—
—
Frameset
Frame Construction
TIG-welded
Aluminum
Frame Material
6061 aluminum
6061 Butted Al Comfort
Fork
Suntour NEX 4010, 63mm travel
Suntour NEX-4600
Fork Material
Single
—
Drivetrain
Component Group
Commuter Mix
Hybrid Mix
Shifters
Shimano Acera ST-M360 EZ Fire
Shimano EF60
Front Derailleur
Shimano Altus
Shimano Altus
Rear Derailleur
Shimano Alivio
Shimano Alivio
Crankset
Shimano M361 w/chainguard, 28/38/48 teeth
Shimano M361, 28/38/48t teeth
Cassette
Shimano HG-40
Shimano HG40
Rear Cogs
8-speed, 11 - 34 teeth
11 - 34 teeth
Pedals
Wellgo Alloy Comfort
Wellgo Comfort
Brakes
Brakes
Tektro IO Mechanical Disc w/ 6" Rotor
Tektro IO mechanical Disc
Cockpit & Contact Points
Handlebar
Brodie Comfort Bend
Brodie Comfort Bend
Handlebar Extensions
Not included
Not included
Stem
Brodie Comfort Adjustable
Brodie Adjustable
Saddle
Freedom Relax Sport
Freedom Relax Deluxe
Seatpost
Brodie Comfort Suspension, 27.2mm diameter
Brodie, 27.2mm diameter
Wheels & Tires
Hubs
Front: Formula, Rear: Shimano M475
Shimano M475
Rims
Shining A-M3
Front: Shining A-M3, Rear: Shining SS
Spokes
Stainless steel
—
Front Tire
700 x 38c Kenda Euro Tour
700 x 32c Kenda Eurotrek
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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