Bicycle Archive · Specification report

2011 Specialized Hotrock 20 Coaster

Velopedia Archive ID 22188

Overview

Model year	2011
Brand	Specialized
Model	Hotrock 20 Coaster
Bicycle type	Juvenile mountain bike, non-suspension
Archive ID	22188
Colors	Blu, Grn
Sizes	1 size

Frameset

Frame construction	TIG-welded
Frame material	A1 Premium aluminum
Fork material	Single
Rear shock	N/A

Drivetrain

Component group	Juvenile Mix
Front derailleur	N/A
Crankset	Heat treated Hi-Ten, 36T teeth
Bottom bracket	Heat treated Hi-Ten cups
Chain	KMC Z-410, 1/2 x 1/8"
Pedals	Composite

Brakes

Brakes	Coaster

Cockpit & contact points

Headset	1 1/8" threadless
Handlebar	Steel
Handlebar extensions	Not included
Stem	Alloy
Saddle	Specialized Kid's
Seatpost	Steel, 25.4mm diameter

Wheels & tires

Hubs	Steel
Rims	Alloy, 36-hole
Spokes	UCP, 14ga. (2.0mm)
Front tire	20 x 2.0" Specialized Rhythm Lite Sport
Wheel size	20" wheels

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