Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Data limitation
Only 2002 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.
Ratio2.00:1
Estimated speed at 90 RPMGear
Uses front tire 16×1.75; rear size isn’t listed.
Gearing unavailable for this size.
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
2002 Diamondback Mini Impression
2004 Diamondback Mini Impression
Overview
Model Year
2002
2004
Brand
Diamondback
Diamondback
Model
Mini Impression
Mini Impression
Bicycle Type
Juvenile
Juvenile
Original MSRP
$100.00
$99.00
Colors
Blue, Pink
Petal Pink, Petal Purple
Sizes
Juvenile
Juvenile
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
Hi-tensile steel
Hi-tensile steel
Fork
—
Diamondback
Fork Material
Hi-tensile steel, unicrown crown
Hi-tensile steel, unicrown crown
Drivetrain
Crankset
1-piece 4 1/2", 36 teeth
1-piece 4 1/2"
Bottom Bracket
Steel
Steel
Rear Cogs
1-speed, 18 teeth
1-speed, 18 teeth
Chain
KMC Z-410, 1/2 x 1/8"
KMC, 1/2 x 1/8"
Pedals
Wellgo LU-968
BMX style resin
Brakes
Brakes
Coaster brake rear
Coaster brake rear
Cockpit & Contact Points
Headset
1" steel
1" steel
Handlebar
Steel BMX
BMX Style w/crossbar
Stem
Steel
Steel
Saddle
Diamondback BMX
Diamondback BMX Padded
Seatpost
Steel, 25.6mm diameter
Steel Pillar
Wheels & Tires
Hubs
Front: steel, nutted, Rear: steel, coaster brake
Front: steel, nutted, Rear: steel, coaster brake
Rims
Steel, 28-hole
Aluminum, 28-hole
Spokes
Stainless steel, 14ga. (2.0mm) straight gauge
UCP, 14ga. (2.0mm) straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
16 x 1.75" Kenda K-63
16 x 1.75" DB Smooth Tread
Wheel Size
16" wheels
16" wheels
Geometry · choose a size for each bicycle
Geometry size
Head-tube angle
71°
71°
Seat-tube angle
71°
71°
Chainstay / rear center
309.9 mm
309.9 mm
Wheelbase
726.4 mm
726.4 mm
Fork offset / rake
30.5 mm
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.