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 2009 Diamondback Mini Lucky.
- Gearing
2009 Diamondback Mini Lucky has a 6% lower climbing ratio than 2003 Diamondback Mini Lucky.
A lower ratio gives more mechanical advantage; rear-wheel rollout determines distance per crank turn.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Ratio2.57:1
Speed unavailable: wheel or tire size is missing or unclear.
Ratio2.75:1
Estimated speed at 90 RPMGear
Uses front tire 20×1.95; 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
2009 Diamondback Mini Lucky
2003 Diamondback Mini Lucky
Overview
Model Year
2009
2003
Brand
Diamondback
Diamondback
Model
Mini Lucky
Mini Lucky
Bicycle Type
BMX
Freestyle/jumping
Original MSRP
Not documented
$279.99
Colors
Nickel/Blue
Murk
Sizes
—
Expert
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
6061-T6 aluminum
Chromoly, double-butted
Fork
—
Lexington Jump
Fork Material
Hi-tensile steel/chromoly steerer, unicrown crown
Chromoly, unicrown crown
Drivetrain
Component Group
BMX
—
Crankset
3-Piece Tubular Chromoly 140mm, 36 teeth
3-piece chromoly, 44 teeth
Bottom Bracket
Loose ball w/ 8 spline
Sealed
BB Shell Width
—
American
Cassette
Freewheel
—
Rear Cogs
1-speed, 14 teeth
1-speed, 16 teeth
Chain
KMC Kool Chain, 1/2 x 1/8"
KMC K-710, 1/2 x 1/8"
Pedals
Mini Alloy Platform
Aluminum platform
Brakes
Brakes
Tektro 907 U-brake rear brakes, Tektro 2 finger rear levers
Aluminum U-brake rear brakes, aluminum rear levers
Cockpit & Contact Points
Headset
1 1/8" FSA Threadless
1 1/8" threadless aluminum
Handlebar
Hi-Ten 2-piece
Chromoly BMX
Handlebar Extensions
Not included
—
Stem
Alloy 4-bolt
Aluminum
Saddle
DB Padded Jump
Diamondback BMX
Seatpost
Steel micro-adjust, 25.4mm diameter
Steel, 25.4mm diameter
Wheels & Tires
Hubs
Aluminum shell w/ 3/8" axle
Aluminum
Rims
Front: Alienation PBR Black, Rear: Alienation PBR, 32-hole
Aluminum, double wall, 48-hole
Spokes
14ga. (2.0mm)
Stainless steel, 14ga. (2.0mm) straight gauge
Spoke Nipples
—
Brass nipples
Front Tire
16 x 2.125" Kenda K-Rad
20 x 1.95" DB Crazy Train
Rear Tire
16" Kenda Kontact
—
Wheel Size
16" wheels
20" wheels
Geometry · choose a size for each bicycle
Geometry size
—
Head-tube angle
—
74°
Seat-tube angle
—
71°
Chainstay / rear center
—
374.6 mm
Wheelbase
—
947.4 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.