Bicycle Archive · Specification report

2007 Specialized Hotrock 20 Girls

Velopedia Archive ID 16611

Overview

Model year	2007
Brand	Specialized
Model	Hotrock 20 Girls
Bicycle type	Juvenile mountain bike, suspension
Archive ID	16611
Original MSRP	$270.00
Colors	White, Pink
Sizes	One size fits all

Frameset

Frame construction	TIG-welded
Frame material	Specialized A1 Premium Aluminum
Fork	RST 200K, 50mm
Fork material	Steel/aluminum, single crown
Rear shock	N/A

Drivetrain

Component group	Juvenile Mix
Shifters	Shimano RS-31 Revo Twist
Front derailleur	N/A
Rear derailleur	Shimano TY
Crankset	Sugino, 36 teeth
Bottom bracket	VP loose ball, 128mm spindle
BB shell width	68mm
Rear cogs	6-speed, 14 - 28 teeth
Chain	Shimano HG-40
Pedals	Composite platform

Brakes

Brakes	Tektro V-brake brakes, Tektro Jr. levers

Cockpit & contact points

Headset	1 1/8" threadless
Handlebar	Hi-Ten
Handlebar extensions	Not included
Stem	Alloy A-Head
Saddle	Specialized Hotrock Jumping
Seatpost	Alloy micro adjust, 27.2mm diameter

Wheels & tires

Hubs	Alloy nutted
Rims	Alex C-1000 alloy single wall, 36-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Front tire	20 x 2.125" Specialized Roller
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on August 23, 2026.