VelopediaBicycle Archive · Specification report

1998 Rocky Mountain Vertex T.O.

Velopedia Archive ID 77356

Overview

Model year1998
BrandRocky Mountain
ModelVertex T.O.
Bicycle typeMountain bike, front suspension
Archive ID77356
Original MSRP$3,249.00
ColorsRed/white
Sizes16", 17.5", 18.5", 19.5", 21"
Weight23 lb

Frameset

Frame constructionWelded
Frame materialEaston HBO Elite aluminum
ForkMarzocchi Bomber Z-2 Atom Bomb
Fork materialAluminum, triple-clamp crown
Rear shockN/A

Drivetrain

Component groupShimano XTR
ShiftersShimano XTR RapidFire SL
Front derailleurShimano XTR top-swing, top-pull/clamp-on 31.8mm
Rear derailleurShimano XTR SGS
CranksetRace Face Turbine LP, 22/32/44 teeth
Bottom bracketRace Face Taperlock
Rear cogs8-speed, 12 - 32 teeth
ChainShimano CN-IG90, 1/2 x 3/32"
PedalsShimano PD-M747 SPD

Brakes

BrakesShimano XTR V-Brake brakes, Shimano XTR levers

Cockpit & contact points

Headset1 1/8" threadless Race Face Real Seal
HandlebarRace Face Air aluminum
Handlebar extensionsNot included
StemSyncros Hinge
SaddleSelle Italia Flite
SeatpostRace Face XY

Wheels & tires

HubsShimano XTR
RimsSun Rims 0 XC
SpokesDT stainless steel, 2.0mm double-butted
Front tire26 x 1.95" Hutchinson Chameleon
Wheel size26" wheels

Geometry · Legacy reference

Top tube585 mm
Head-tube angle71°
Seat-tube angle73.5°
Fork offset / rake40.6 mm

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