Bicycle Archive · Specification report

2011 Specialized Hotrock 20 ST Girl

Velopedia Archive ID 22191

Overview

Model year	2011
Brand	Specialized
Model	Hotrock 20 ST Girl
Bicycle type	Juvenile mountain bike, non-suspension
Archive ID	22191
Colors	Pnk
Sizes	1 size

Frameset

Frame construction	TIG-welded
Frame material	A1 Premium aluminum
Fork material	Alloy, single crown
Rear shock	N/A

Drivetrain

Component group	Juvenile Mix
Front derailleur	N/A
Crankset	Forged Alloy, 36T teeth
Bottom bracket	Water sealed, 128mm spindle
BB shell width	68mm
Chain	KMC Z-50, 1/2 x 3/32"
Pedals	Composite

Brakes

Brakes	V Brake

Cockpit & contact points

Headset	1 1/8" threadless
Handlebar	Hi-Ten riderbar
Handlebar extensions	Not included
Stem	Alloy
Saddle	Specialized BG Kid's
Seatpost	Alloy Micro Adjust, 27.2mm diameter

Wheels & tires

Hubs	Forged alloy
Rims	32-hole
Spokes	Stainless, 14ga. (2.0mm)
Front tire	20 x 1.5" Specialized Nimbus
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.