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 Brodie Quantum and 2008 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.

2008 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.

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
2008 Brodie Quantum
Overview
Model Year
2010
2008
Brand
Brodie
Brodie
Model
Quantum
Quantum
Bicycle Type
Comfort/commuter
City/commuter
Original MSRP
$649.00
$649.00
Colors
Blue
Emerald Green
Sizes
S, M, L
S, M, L
Weight
—
33 lb
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
6061 aluminum
6061 aluminum
Fork
Suntour NEX 4010, 63mm travel
Suntour NEX 4010, 63mm travel
Fork Material
Single
Single
Drivetrain
Component Group
Commuter Mix
Commuter Mix
Shifters
Shimano Acera ST-M360 EZ Fire
Shimano EF-60
Front Derailleur
Shimano Altus
Shimano Altus
Rear Derailleur
Shimano Alivio
Shimano Alivio
Crankset
Shimano M361 w/chainguard, 28/38/48 teeth
Shimano M341, 28/38/48 teeth
Bottom Bracket
—
Shimano UN-26, 123mm spindle
BB Shell Width
—
68mm
Cassette
Shimano HG-40
Shimano HG-40
Rear Cogs
8-speed, 11 - 34 teeth
8-speed, 11 - 34 teeth
Chain
—
KMC Z72
Pedals
Wellgo Alloy Comfort
Wellgo City Comfort
Brakes
Brakes
Tektro IO Mechanical Disc w/ 6" Rotor
Tektro IO Mechanical Disc w/ 6" Rotor
Cockpit & Contact Points
Headset
—
1 1/8" integrated Ritchey Logic Zero
Handlebar
Brodie Comfort Bend
Brodie Comfort Bend
Handlebar Extensions
Not included
Not included
Stem
Brodie Comfort Adjustable
Brodie Comfort Adjustable
Saddle
Freedom Relax Sport
Brodie Comfort
Seatpost
Brodie Comfort Suspension, 27.2mm diameter
Brodie Comfort Suspension, 27.2mm diameter
Wheels & Tires
Hubs
Front: Formula, Rear: Shimano M475
Front: Formula DC20, Rear: Shimano M475
Rims
Shining A-M3
Alex DC-19, 32-hole
Spokes
Stainless steel
Stainless steel, 14ga. (2.0mm) straight gauge
Spoke Nipples
—
Brass
Front Tire
700 x 38c Kenda Euro Tour
700 x 38c Kenda Euro Tour
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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