Bicycle Archive · Specification report

1997 Specialized Hardrock 20

Velopedia Archive ID 69661

Overview

Model year	1997
Brand	Specialized
Model	Hardrock 20
Bicycle type	Juvenile
Archive ID	69661
Original MSRP	$224.99
Colors	Black, pink
Sizes	Boys, girls

Frameset

Frame construction	TIG-welded
Frame material	SBC DirectDrive
Fork	Sbc
Fork material	Hi-tensile steel, unicrown crown
Rear shock	N/A

Drivetrain

Shifters	Grip Shift MRX-170
Front derailleur	N/A
Rear derailleur	Shimano Tourney TY-22
Crankset	1-piece steel, 40 teeth
Bottom bracket	One piece
BB shell width	American 24tpi
Rear cogs	6-speed, 14 - 28 teeth
Chain	1/2 x 3/32"
Pedals	Resin

Brakes

Brakes	Aluminum cantilever brakes, Dia-Compe PC-1N Junior levers

Cockpit & contact points

Headset	1"
Handlebar	Steel
Handlebar extensions	N/A
Stem	Steel
Saddle	SBC Mini
Seatpost	Pillar, steel, 26.2 mm diameter

Wheels & tires

Hubs	Steel, nutted
Rims	Aluminum, 36-hole
Spokes	Steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1.80" Specialized Ground Control
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 9, 2026.