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
Only 1998 Diamondback Venom 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.
Ratio2.75:1
Estimated speed at 90 RPMGear
Uses front tire 20×1.95; 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
1998 Diamondback Venom
2000 Diamondback Venom
Overview
Model Year
1998
2000
Brand
Diamondback
Diamondback
Model
Venom
Venom
Bicycle Type
Freestyle/jumping
Freestyle/jumping
Original MSRP
$240.00
$279.99
Colors
Flat grey w/chrome-plated fork
Black, Chrome-Plated
Sizes
Boys
Pro
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
Chromoly/hi-tensile steel
Chromoly down tube/hi-tensile steel
Fork
Diamondback
Diamondback
Fork Material
Chromoly/hi-tensile steel, unicrown crown
Chromoly, unicrown crown
Drivetrain
Crankset
Diamondback, 44 teeth
1-piece chromoly 175mm, 44 teeth
Bottom Bracket
YST BB 621
Diamondback spindle
BB Shell Width
American 24tpi
—
Rear Cogs
1-speed, 16 teeth
1-speed
Chain
KMC 410A, 1/2 x 1/8"
—
Pedals
Platform, resin
Platform, aluminum
Brakes
Brakes
Chang Star 857A
Alloy U-brake brakes, Dia-Compe alloy levers
Cockpit & Contact Points
Headset
1" YST steel
1 1/8" threadless
Handlebar
Diamondback freestyle
Diamondback steel
Handlebar Extensions
—
Not included
Stem
Diamondback aluminum
Alloy Ahead type
Saddle
Diamondback freestyle
Diamondback Freestyle
Seatpost
CC SP-26, 25.4mm diameter
Lay back, 25.4mm diameter
Wheels & Tires
Hubs
King Kong aluminum, nutted
Alloy
Rims
Kin Lin RT-6n, 48-hole
Alloy, 48-hole
Spokes
Shuhn Lih steel, 2.0mm straight gauge
Stainless steel
Spoke Nipples
Brass nipples
—
Front Tire
20 x 1.95" freestyle
20 x 1.95" Diamondback Freestyle
Wheel Size
20" wheels
20" wheels
Geometry · choose a size for each bicycle
Geometry size
Head-tube angle
73°
73°
Seat-tube angle
70°
70°
Chainstay / rear center
388.6 mm
388.6 mm
Wheelbase
914.4 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.