VelopediaBicycle Archive · Specification report

1998 Rocky Mountain Fusion

Velopedia Archive ID 75243

Overview

Model year1998
BrandRocky Mountain
ModelFusion
Bicycle typeMountain bike, front suspension
Archive ID75243
Original MSRP$699.00
ColorsPurple
Sizes14", 16", 17.5", 18.5", 19.5", 20"
Weight26.4 lb

Frameset

Frame constructionWelded
Frame materialChromoly, double-butted
ForkRock Shox Indy
Fork materialAluminum/magnesium, triple-clamp crown
Rear shockN/A

Drivetrain

Component groupMountain Mix
ShiftersGrip Shift ESP 500
Front derailleurShimano STX top-swing, top-pull/clamp-on 31.8mm
Rear derailleurGrip Shift ESP 7.0
CranksetShimano Alivio, 22/32/42 teeth
Bottom bracketShimano BB-LP26
Rear cogs7-speed, 11 - 28 teeth
ChainTaya TB-600, 1/2 x 3/32"
PedalsAluminum cage w/clips & straps

Brakes

BrakesAvid 1D-20 brakes, Avid AD-1.0 levers

Cockpit & contact points

Headset1 1/8" threadless Ritchey Logic
HandlebarRMB aluminum
Handlebar extensionsNot included
StemRMB forged aluminum
SaddleSelle Italia Aventgarde 1
SeatpostRMB aluminum

Wheels & tires

HubsShimano Alivio
RimsSun Rims CR18
SpokesDT stainless steel, 2.0mm straight gauge
Front tire26 x 2.10" Ritchey Mega-Bite Z-Max SC
Wheel size26" wheels

Geometry · Legacy reference

Top tube555 mm
Head-tube angle70.5°
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.