Bicycle Archive · Specification report

1996 Scorpio At-400X

Velopedia Archive ID 55016

Overview

Model year	1996
Brand	Scorpio
Model	AT-400X
Bicycle type	Mountain bike, front suspension
Archive ID	55016
Original MSRP	$799.00
Colors	Dark blue
Sizes	16", 18", 20", 22"

Frameset

Frame construction	TIG-welded steel
Frame material	Tange chromoly
Fork	Rock Shox Judy XC
Fork material	Aluminum/magnesium, triple-clamp crown
Rear shock	N/A

Drivetrain

Component group	Shimano STX
Shifters	Shimano STX RapidFire SL
Front derailleur	Shimano STX, bottom-pull/clamp-on 31.8 mm
Rear derailleur	Shimano STX
Crankset	Dotek 3-piece, 22/34/42 teeth
Bottom bracket	Shimano BB-LP26
BB shell width	68mm English
Rear cogs	7-speed, 11 - 28 teeth
Chain	Shimano CN-UG50, 1/2 x 3/32"
Pedals	Alloy cage, resin body

Brakes

Brakes	Shimano Altus brakes, Shimano STX levers

Cockpit & contact points

Headset	1 1/8" threadless YST 541AE
Handlebar	Pilot
Handlebar extensions	Not included
Stem	Tahoma Sonne IV
Saddle	Pilot
Seatpost	Polygon PM-311, 29.8 mm diameter

Wheels & tires

Rims	Alesa 6017, double wall, 36-hole
Spokes	Stainless steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	26 x 2.10" Kenda K-836
Wheel size	26" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 22, 2026.