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.
No key difference could be established from the available data. Check the full table for the details.
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.
Ratio2.75:1
Estimated speed at 90 RPMGear
Uses front tire 20×2.125; 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
1998 Diamondback Venom
1997 Diamondback Venom
Overview
Model Year
1998
1997
Brand
Diamondback
Diamondback
Model
Venom
Venom
Bicycle Type
Freestyle/jumping
Freestyle/jumping
Original MSRP
$240.00
$240.00
Colors
Flat grey w/chrome-plated fork
Chrome-plated, Grey
Sizes
Boys
Boys 9.5"
Weight
—
28 lb
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
Chromoly/hi-tensile steel
Chromoly/hi-tensile steel
Fork
Diamondback
Durotec
Fork Material
Chromoly/hi-tensile steel, unicrown crown
Hi-tensile steel, unicrown crown
Drivetrain
Crankset
Diamondback, 44 teeth
Diamondback, 44 teeth
Bottom Bracket
YST BB 621
Victor VPB-35
BB Shell Width
American 24tpi
68mm Threadless
Rear Cogs
1-speed, 16 teeth
1-speed, 16 teeth
Chain
KMC 410A, 1/2 x 1/8"
KMC 410, 1/2 x 3/32"
Pedals
Platform, resin
HTI P71
Brakes
Brakes
Chang Star 857A
Dia-Compe 883 brakes, Lee Chi 316A-1 levers
Cockpit & Contact Points
Headset
1" YST steel
1" Victor VP-H75 w/detangler
Handlebar
Diamondback freestyle
Hsin Lung
Stem
Diamondback aluminum
Kalloy
Saddle
Diamondback freestyle
Velo VL-247
Seatpost
CC SP-26, 25.4mm diameter
CC SP-26, 22.2 mm (7/8 inch) diameter
Wheels & Tires
Hubs
King Kong aluminum, nutted
King Kong 310
Rims
Kin Lin RT-6n, 48-hole
Weinmann 4019, 48-hole
Spokes
Shuhn Lih steel, 2.0mm straight gauge
Shuhn Lih steel, 2.0mm straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
20 x 1.95" freestyle
20 x 2.125" Diamondback
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
914.4 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.