VelopediaBicycle Archive · Specification report

1998 Schwinn Circuit

Velopedia Archive ID 73751

Overview

Model year1998
BrandSchwinn
ModelCircuit
Bicycle typeRoad race & triathlon
Archive ID73751
Original MSRP$1,199.95
ColorsMetallic red
Sizes48 cm, 50 cm, 52 cm, 54 cm, 56 cm, 58 cm, 60 cm

Frameset

Frame constructionTIG-welded
Frame material7000 aluminum, butted
ForkRock Shox Ruby
Fork materialAluminum/magnesium, triple-clamp crown
Rear shockN/A

Drivetrain

Component groupRoad Mix
ShiftersShimano 105SC STI Dual Control
Front derailleurShimano RX-100 top-swing
Rear derailleurShimano RX-100 GS
CranksetShimano RX-100, 30/42/52 teeth
Rear cogs8-speed, 13 - 26 teeth
Chain1/2 x 3/32"
PedalsScott clipless

Brakes

BrakesShimano RX-100 Dual Pivot brakes, Shimano 105SC levers

Cockpit & contact points

Headset1" Tioga sealed
HandlebarScott Drop
Handlebar extensionsNot included
StemKalloy aluminum
SaddleSelle San Marco Slim
SeatpostJD Components 495

Wheels & tires

HubsFront: Formula aluminum, Q/R, Rear: Shimano RX-100
RimsMavic CXP 21, 32-hole
SpokesStainless steel, 2.0mm straight gauge
Front tire700 x 23c Schwinn Natural 66
Wheel size700c wheels

Geometry · Legacy reference

Top tube560 mm
Head-tube angle74°
Seat-tube angle73.5°
Chainstay / rear center410 mm
Wheelbase983 mm
Fork offset / rake38.1 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 2, 2026.