Bicycle Archive · Specification report

2007 Specialized Hotrock 20 Girls Coaster

Velopedia Archive ID 16612

Overview

Model year	2007
Brand	Specialized
Model	Hotrock 20 Girls Coaster
Bicycle type	Juvenile
Archive ID	16612
Original MSRP	$170.00
Colors	Pink, Purple
Sizes	One size fits all

Frameset

Frame construction	TIG-welded
Frame material	Specialized A1 Premium Aluminum
Fork	Specialized
Fork material	Steel, unicrown crown
Rear shock	N/A

Drivetrain

Component group	Juvenile Mix
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Heat treated Hi-Ten, 36 teeth
Bottom bracket	Loose ball
Rear cogs	1-speed
Chain	KMC Z410
Pedals	Composite platform

Brakes

Brakes	Coaster rear brakes, Tektro Jr. levers

Cockpit & contact points

Headset	1 1/8" threadless
Handlebar	Hi-Ten 2pc
Handlebar extensions	Not included
Stem	Alloy A-Head
Saddle	Specialized Hotrock Jumping
Seatpost	Steel, 25.4mm diameter

Wheels & tires

Hubs	Joy Tech steel nutted
Rims	Alloy single wall , 36-hole
Spokes	UCP, 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.