VelopediaBicycle Archive ยท Specification report

1998 Specialized Hotrock 20

Velopedia Archive ID 78615

Overview

Model year1998
BrandSpecialized
ModelHotrock 20
Bicycle typeJuvenile
Archive ID78615
Original MSRP$215.00
ColorsBlack, magenta pearl, mirror blue
SizesBoys, girls

Frameset

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

Drivetrain

Component groupMountain Mix
ShiftersGrip Shift MRX-170
Front derailleurN/A
Rear derailleurShimano Tourney TY-22
Crankset1-piece steel, 40 teeth
BB shell width68mm English
Rear cogs6-speed, 14 - 28 teeth
ChainUG, 1/2 x 3/32"
PedalsResin

Brakes

BrakesLinear-pull brakes, aluminum levers

Cockpit & contact points

Headset1" steel
HandlebarSteel
Handlebar extensionsNot included
StemHi-tensile steel
SaddleSpecialized Mini Mountain
SeatpostPillar, aluminum, 30.4mm diameter

Wheels & tires

HubsSteel, nutted
RimsAluminum, 36-hole
SpokesSteel, 2.0mm straight gauge
Spoke nipplesBrass nipples
Front tire20 x 1.80" Specialized Dirt Control
Wheel size20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 3, 2026.