VelopediaBicycle Archive · Specification report

1999 Specialized Hotrock 24"

Velopedia Archive ID 89726

Overview

Model year1999
BrandSpecialized
ModelHotrock 24"
Bicycle typeJuvenile mountain bike, non-suspension
Archive ID89726
Original MSRP$239.99
ColorsSeafoam, Speed Green, Team Red
SizesBoys, girls

Frameset

Frame constructionTIG-welded
Frame materialChromoly
ForkSpecialized
Fork materialHi-tensile steel, unicrown crown
Rear shockN/A

Drivetrain

Component groupJuvenile Mix
ShiftersGrip Shift MRX-201
Front derailleurShimano Tourney TY-32
Rear derailleurShimano Tourney TY-30
CranksetSR aluminum, 28/38/48 teeth
Bottom bracketYST BB 613
Rear cogs7-speed, 14 - 28 teeth
ChainShimano CN-UG50, 1/2 x 3/32"
PedalsWellgo LU-947

Brakes

BrakesChang Star linear-pull brakes, Chang Star aluminum levers

Cockpit & contact points

HeadsetSealed mechanism
HandlebarSteel, rise
Handlebar extensionsN/A
StemSpecialized
SaddleSpecialized Mini Mountain
SeatpostPillar, steel, 30.4mm diameter

Wheels & tires

HubsJoy Tech steel, nutted
RimsSpecialized alloy, 36-hole
SpokesChung Nan steel, 2.0mm straight gauge
Spoke nipplesBrass nipples
Front tire24 x 1.80" Specialized Ground Control
Wheel size24" wheels

Geometry · Legacy reference

Top tube495 mm
Head-tube angle70°
Seat-tube angle73°
Chainstay / rear center420 mm
Wheelbase994 mm
Fork offset / rake40 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 4, 2026.