Bicycle Archive · Specification report

2010 Specialized Hotrock 20 Girls Coaster

Velopedia Archive ID 19283

Overview

Model year	2010
Brand	Specialized
Model	Hotrock 20 Girls Coaster
Bicycle type	Juvenile
Archive ID	19283
Colors	Gloss Silver/White, Gloss Purple

Frameset

Frame construction	TIG-welded
Frame material	A1 Premium aluminum
Fork	Rigid Steel
Fork material	High-tensile steel, unicrown crown
Rear shock	N/A

Drivetrain

Component group	Juvenile Mix
Shifters	N/A
Crankset	Heat treated Hi-Ten, 36 teeth
Bottom bracket	Loose ball
BB shell width	N/A
Rear cogs	1-speed
Chain	KMC Z410, 1/2 x 1/8"
Pedals	Composite

Brakes

Brakes	Coaster Brake, Tektro Alloy V-Brake rear brakes, Alloy linear rear levers

Cockpit & contact points

Headset	1 1/8" Threadless
Handlebar	Steel
Handlebar extensions	Not included
Stem	Alloy
Saddle	Specialized
Seatpost	Steel, 25.4mm diameter

Wheels & tires

Hubs	Front: Joy Tech steel, Rear: Joy Tech coaster
Rims	Alloy, 36-hole
Spokes	Stainless, 14ga. (2.0mm)
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 October 5, 2026.