VelopediaBicycle Archive · Specification report

2002 Giant OCR-1

Velopedia Archive ID 91703

Overview

Model year2002
BrandGiant
ModelOCR-1
Bicycle typeRoad race & triathlon
Archive ID91703
Original MSRP$1,000.00
ColorsBlack/Red
SizesLarge, medium, small

Frameset

Frame constructionTIG-welded
Frame materialAluxx SL aluminum
ForkGiant Composite Aero
Fork materialCarbon fiber composite w/aluminum steerer, aero crown
Rear shockN/A

Drivetrain

Component groupShimano 105 Triple
ShiftersShimano 105 STI Dual Control
Front derailleurShimano 105, braze-on
Rear derailleurShimano 105 GS
CranksetShimano 105 Triple, 30/42/52 teeth
Bottom bracketShimano BB-5500
BB shell width68mm English
Rear cogs9-speed, 12 - 25 teeth
ChainShimano CN-HG72, 1/2 x 3/32"
PedalsShimano PD-M505 SPD

Brakes

BrakesShimano 105 Dual Pivot brakes, Shimano 105 STI Dual Control levers

Cockpit & contact points

Headset1" Aheadset
HandlebarAnatomic drop bar
Handlebar extensionsNot included
StemGiant Adjustable alloy
SaddleGiant OCR
SeatpostAluminum micro-adjust, 27.2mm diameter

Wheels & tires

HubsShimano 105
RimsMavic CXP 21, 32-hole
SpokesStainless steel
Spoke nipplesBrass nipples
Front tire700 x 23c Hutchinson Reflex
Wheel size700c wheels

Geometry · Legacy reference

Top tube555 mm
Head-tube angle73°
Seat-tube angle73.5°
Chainstay / rear center406.9 mm
Wheelbase980.9 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 8, 2026.