VelopediaBicycle Archive · Specification report

1999 Giant Boulder

Velopedia Archive ID 81428

Overview

Model year1999
BrandGiant
ModelBoulder
Bicycle typeMountain bike, non-suspension
Archive ID81428
Original MSRP$250.00
ColorsGrey, Red
Sizes14.5", 17.5", 19.5", 21.5", 23.5", womens 14.5", womens 17.5", womens 19.5"

Frameset

Frame constructionTIG-welded
Frame materialChromoly main triangle/hi-tensile steel rear stays
ForkGiant
Fork materialChromoly, unicrown crown
Rear shockN/A

Drivetrain

Component groupMountain Mix
ShiftersGrip Shift
Front derailleurShimano Tourney, bottom-pull/bottom bracket mount
Rear derailleurShimano Acera
CranksetSR XR17, 22/32/42 teeth
Bottom bracketSteel, adjustable
Rear cogs7-speed, 11 - 28 teeth
ChainKMC Z-51, 1/2 x 3/32"
PedalsMTB nylon

Brakes

BrakesDirect Pull w/linear spring brakes, Alloy Direct Pull levers

Cockpit & contact points

Headset1" steel w/water seal
HandlebarSteel MTB, 30mm rise
Handlebar extensionsN/A
StemSteel MTB, 40-degree rise
SaddleGiant MTB Comfort
SeatpostAlloy, 250mm, 27.2mm diameter

Wheels & tires

HubsFront: aluminum, Q/R, Rear: Shimano Altus cassette
RimsAlloy, single wall
SpokesStainless steel, 2.0mm
Front tire26 x 1.95" CST
Wheel size26" wheels

Geometry · Legacy reference

Top tube545.1 mm
Head-tube angle70°
Seat-tube angle73°
Chainstay / rear center439.4 mm
Wheelbase1052.3 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 30, 2026.