Velopedia Bicycle Archive

Compare Bicycles

Compare published geometry, gearing and specifications for up to three bicycles.

1 of 2 bicycles

At a glance

Key differences

Supported differences are shown below. Data limitations are labeled separately.

  1. Data limitation

    No geometry is recorded for 1999 Scorpio AT-50 and 1996 Scorpio AT-50.

Gearing comparison

Lower gears help on climbs. Higher gears suit higher speeds.

RPM

RPM = pedal turns per minute.

1999 Scorpio AT-5048/38/28T · 14–28T · 5-speed
Lowest1.00:1Highest3.43:1Total range343%
Estimated speed at 90 RPMLowest gear6.9 mphHighest gear23.8 mph

Uses front tire 26×1.95; rear size isn’t listed.

1996 Scorpio AT-5048/38/28T · 13–28T · 6-speed
Lowest1.00:1Highest3.69:1Total range369%
Estimated speed at 90 RPMLowest gear6.9 mphHighest gear25.6 mph

Uses front tire 26×1.95; 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.

Try other gearing

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.
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Specification
1999 Scorpio At-50
1996 Scorpio At-50
Overview
Model Year
1999
1996
Brand
Scorpio
Scorpio
Model
At-50
At-50
Bicycle Type
Mountain bike, front suspension
Mountain bike, non-suspension
Original MSRP
$159.99
$179.00
Colors
Silver
Purple
Sizes
16", 18"
16", 18"
Weight
33 lb
30 lb
Frameset
Frame Construction
TIG-welded
TIG-welded steel
Frame Material
Hi-tensile steel
Hi-tensile steel
Fork
Pilot Suspension, 2.0" travel
Pilot
Fork Material
Chromoly/hi-tensile steel, unicrown crown
Hi-tensile steel, unicrown crown
Drivetrain
Component Group
Mountain Mix
—
Shifters
Shimano Tourney TY-15 top-mount
Grip Shift Quickshift
Front Derailleur
Pilot DX, bottom-pull/clamp-on 28.6mm
Pilot, bottom-pull/clamp-on 28.6 mm
Rear Derailleur
Shimano Tourney TY-15
Shimano Tourney TY-20
Crankset
1-piece 6 1/2", 28/38/48 teeth
Dotek 3-piece, 28/38/48 teeth
Bottom Bracket
One piece
—
BB Shell Width
American
—
Rear Cogs
5-speed, 14 - 28 teeth
6-speed, 13 - 28 teeth
Chain
KMC 408CP, 1/2 x 3/32"
KMC HP-20, 1/2 x 3/32"
Pedals
Wellgo LU-883
Resin
Brakes
Brakes
Chang Star VB-963 DG brakes, Chang Star VL-387D levers
Shimano Deore DX brakes, alloy levers
Cockpit & Contact Points
Headset
1" YST steel
1" steel
Handlebar
Hsin Lung steel
Pilot
Handlebar Extensions
Not included
Not included
Stem
Hsin Lung steel
Pilot
Saddle
Pilot
Pilot
Seatpost
Steel, 25.4mm diameter
Steel, 25.4 mm diameter
Wheels & Tires
Hubs
Joy Tech steel, nutted
—
Rims
Weinmann 119, 36-hole
Alesa alloy, 36-hole
Spokes
Shuhn Lih steel, 2.0mm straight gauge
Steel, 2.0mm straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
26 x 1.95" Kenda K-850
26 x 1.95" Cheng Shin C-1020N
Wheel Size
26" wheels
26" wheels

Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.

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