Bicycle Archive · Specification report

1993 Balance ST640

Velopedia Archive ID 42098

Overview

Model year	1993
Brand	Balance
Model	ST640
Bicycle type	Road race & triathlon
Archive ID	42098
Original MSRP	$1,249.00
Sizes	52, 54, 56, 58, 60, 62
Weight	21 lb

Frameset

Frame construction	TIG-welded steel
Frame material	Tange Prestige TB
Fork	Chrome-moly taper gauge

Drivetrain

Component group	Shimano 600 Ultegra STI
Shifters	Shimano 600 Ultegra STI
Front derailleur	Shimano 600 Ultegra
Rear derailleur	Shimano 600 Ultegra
Crankset	Shimano 600 Ultegra, 42/53 teeth
Rear cogs	8-speed, 12 - 23 teeth
Chain	Shimano Hyperglide
Pedals	Shimano 600 Ultegra clipless

Brakes

Brakes	Shimano 600 Ultegra brakes, levers

Cockpit & contact points

Handlebar	SR 6-bend
Stem	SR alloy
Saddle	Bontrager Ti
Seatpost	Balance Stilt

Wheels & tires

Hubs	Shimano 600 Ultegra
Rims	Araya CT-19, 32-hole
Front tire	700 x 20c
Wheel size	700c wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 13, 2026.