Velopedia Bicycle Archive
Compare Bicycles
Compare published geometry, gearing and specifications for up to three bicycles.
Edit comparison
Add a bicycle
Search the Archive without leaving this comparison.
1 of 2 bicycles
At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Identity & price
These bicycles are categorized differently: 2009 Diamondback Mini Viper is BMX; 2011 Diamondback Mini Viper is Kids.
- Data limitation
No geometry is recorded for 2009 Diamondback Mini Viper and 2011 Diamondback Mini Viper.
- Data limitation
Only 2009 Diamondback Mini Viper 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
2009 Diamondback Mini Viper
2011 Diamondback Mini Viper
Overview
Model Year
2009
2011
Brand
Diamondback
Diamondback
Model
Mini Viper
Mini Viper
Bicycle Type
BMX
Juvenile
Colors
Orange
Blue/white
Sizes
—
—
Weight
—
—
Frameset
Frame Construction
TIG-welded
Steel
Frame Material
High-Tensile steel
High-Tensile steel
Fork
—
Hi Ten
Fork Material
High-tensile steel, unicrown crown
Steel
Drivetrain
Component Group
BMX
BMX Mix
Crankset
1-piece steel, 36 teeth
Steel One Piece
Bottom Bracket
Loose ball
Loose ball
Cassette
Cog
Cog
Rear Cogs
1-speed, 18 teeth
1-speed, 18 teeth
Chain
KMC Z410, 1/2 x 1/8"
KMC Z410, 1/2 x 1/8"
Pedals
Resin platform
Resin platform
Brakes
Brakes
Coaster brake rear
—
Cockpit & Contact Points
Headset
1" Threaded
1" Threaded
Handlebar
Hi-Ten 2-piece
Hi-Ten 2-piece
Handlebar Extensions
Not included
Not included
Stem
Steel quill
Quill Steel
Saddle
DB BMX padded
DB BMX padded
Seatpost
Steel pillar
Steel pillar
Wheels & Tires
Hubs
Front: Steel 3/8" axle, Rear: Steel coaster brake 3/8" axle
Steel shell w/ 3/8" axle
Rims
Aluminum, 28-hole
Aluminum, 28-hole
Spokes
14ga. (2.0mm)
14ga. (2.0mm)
Front Tire
16 x 1.75" Comp III style
16 x 1.75" Comp III style
Wheel Size
16" wheels
16" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.