Bicycle Archive · Specification report

2011 Specialized Hotrock 24 21 Speed

Velopedia Archive ID 22184

Overview

Model year	2011
Brand	Specialized
Model	Hotrock 24 21 Speed
Bicycle type	Juvenile mountain bike, suspension
Archive ID	22184
Colors	Blk, Wht
Sizes	11"

Frameset

Frame construction	TIG-welded
Frame material	A1 Premium aluminum
Fork	SR Suntour SF11
Fork material	Alloy, single crown
Rear shock	N/A

Drivetrain

Component group	Juvenile Mix
Shifters	Shimano RS-31 Revo Twist
Front derailleur	Shimano FD C050
Rear derailleur	Shimano TX-31
Crankset	Forged Alloy, 24/34/42 teeth
Bottom bracket	Water sealed, 128mm spindle
BB shell width	68mm
Cassette	Shimano MF-TZ21
Rear cogs	7-speed, 14 - 28 teeth
Chain	KMC Z7
Pedals	Composite

Brakes

Brakes	V Brake brakes, Junior reduced reach levers

Cockpit & contact points

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

Wheels & tires

Hubs	Forged alloy
Rims	Alex C-1000, 32-hole
Spokes	Stainless, 14ga. (2.0mm)
Front tire	24 x 2.125" Specialized Roller
Wheel size	24" wheels

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