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 Diamondback Impression and 2012 Diamondback Impression.

Gearing comparison

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

RPM

RPM = pedal turns per minute.

2010 Diamondback Impression36T · 18T · 1-speed
Ratio2.00:1
Estimated speed at 90 RPMGear10.4 mph

Uses front tire 20×1.75; rear size isn’t listed.

2012 Diamondback Impression36T · 18T
Ratio2.00:1

Speed unavailable: wheel or tire size is missing or unclear.

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 Diamondback Impression
2012 Diamondback Impression
Overview
Model Year
2010
2012
Brand
Diamondback
Diamondback
Model
Impression
Impression
Bicycle Type
Juvenile
Youth
Original MSRP
Not documented
$190.00
Colors
Gloss Teal
Pink
Sizes
One Size
20
Weight
—
—
Frameset
Frame Construction
TIG-welded
—
Frame Material
Hi-Ten Remington Steel
Hi-ten remington steel
Fork
—
Hi-Ten
Fork Material
Hi-Ten Remington steel, unicrown crown
—
Drivetrain
Component Group
Juvenile Mix
—
Crankset
1-piece steel 140mm, 36 teeth
1pc 36t
Bottom Bracket
Loose ball
Looseball
Cassette
Cog
18t
Rear Cogs
1-speed, 18 teeth
—
Chain
—
KMC Z-410
Pedals
Resin platform
nylon flat pedal
Brakes
Brakes
Alloy Linear Pull/Coaster Brake rear brakes, Alloy linear rear levers
Coaster brake/V-brake
Cockpit & Contact Points
Headset
1" Threaded
1" threaded
Handlebar
Hi-Ten 2-piece 24" wide x 6" rise
Hi-Ten 2-piece
Handlebar Extensions
Not included
—
Stem
Steel quill
Steel quill
Saddle
DB Miss BMX Padded
DB Miss BMX padded
Seatpost
Steel pillar, 25.4mm diameter
Steel 25.4 mm
Wheels & Tires
Hubs
Front: Nutted, Rear: Nutted Coaster
—
Rims
Alex R-1000, 36-hole
—
Spokes
14ga. (2.0mm)
—
Front Tire
20 x 1.75" DB Smooth
DB Smooth 20x1.75
Wheel Size
20" wheels
—

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

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