Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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1 of 2 bicycles
At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Data limitation
No geometry is recorded for 2001 Diamondback Mini Impression.
- Data limitation
Only 2003 Diamondback Mini Impression has enough published drivetrain data for gearing calculations.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Gearing unavailable for this size.
Ratio2.00:1
Estimated speed at 90 RPMGear
Uses front tire 16×1.75; 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.
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.
Specification
2001 Diamondback Mini Impression
2003 Diamondback Mini Impression
Overview
Model Year
2001
2003
Brand
Diamondback
Diamondback
Model
Mini Impression
Mini Impression
Bicycle Type
Juvenile
Juvenile
Original MSRP
$119.99
$99.99
Colors
Cotton Candy, Wildberry
Petal Lavender, Petal Pink
Sizes
Girls 12"
Juvenile
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
Hi-tensile steel, oversize
Hi-tensile steel
Fork
Diamondback
—
Fork Material
Hi-tensile steel, oversize, unicrown crown
Hi-tensile steel, unicrown crown
Drivetrain
Crankset
1-piece steel
1-piece 4 1/2", 36 teeth
Bottom Bracket
Sealed cartridge, 102mm spindle
Steel
BB Shell Width
American
—
Rear Cogs
1-speed, 18 teeth
1-speed, 18 teeth
Chain
1/2 x 3/32"
KMC Z410, 1/2 x 1/8"
Pedals
Resin
Wellgo LU-968
Brakes
Brakes
Coaster rear
Coaster brake rear
Cockpit & Contact Points
Headset
1" steel
1" steel
Handlebar
Steel, rise
Steel BMX
Handlebar Extensions
Not included
—
Stem
Steel
Steel
Saddle
DiamondBack Jr.
Diamondback BMX
Seatpost
Steel
Steel, 25.6mm diameter
Wheels & Tires
Hubs
Front: steel, Rear: coaster brake
Front: steel, nutted, Rear: steel, coaster brake
Rims
Aluminum, 28-hole
Steel, 28-hole
Spokes
UCP, 2.0mm straight gauge
Stainless steel, 14ga. (2.0mm) straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
16 x 1.95" Diamondback
16 x 1.75" Kenda K-63
Wheel Size
16" wheels
16" wheels
Geometry · choose a size for each bicycle
Geometry size
—
Head-tube angle
—
71°
Seat-tube angle
—
71°
Chainstay / rear center
—
309.9 mm
Wheelbase
—
726.4 mm
Fork offset / rake
—
30.5 mm
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run. Legacy reference geometry is model-level historical data whose corresponding frame size is not identified; compare those dimensions as reference values rather than size-normalized fit data.