Bicycle Archive · Specification report

2007 Specialized Hotrock A1 FSR

Velopedia Archive ID 16619

Overview

Model year	2007
Brand	Specialized
Model	Hotrock A1 FSR
Bicycle type	Juvenile mountain bike, suspension
Archive ID	16619
Original MSRP	$660.00
Colors	Flo Red
Sizes	One size fits all

Frameset

Frame construction	TIG-welded
Frame material	Specialized A1 Premium Aluminum
Fork	RST Capa T7A, 50mm
Fork material	Steel/aluminum, single crown
Rear shock	Tough Shock FDR

Drivetrain

Component group	Juvenile Mix
Shifters	Shimano RS-41 Revo Twist
Front derailleur	Shimano Acera
Rear derailleur	Shimano Altus
Crankset	TruVativ ISO-Flow, 22/32/42 teeth
Bottom bracket	TruVativ cartridge, 113mm spindle
BB shell width	68mm
Rear cogs	7-speed, 14 - 28 teeth
Chain	Shimano HG-40
Pedals	Steel cage, composite body

Brakes

Brakes	Tektro V-brake brakes, Tektro Jr. levers

Cockpit & contact points

Headset	1 1/8" threadless
Handlebar	Alloy riser
Handlebar extensions	Not included
Stem	Alloy A-Head
Saddle	Specialized Body Geometry ATB Kid's
Seatpost	Alloy micro adjust, 27.2mm diameter

Wheels & tires

Hubs	Alloy QR
Rims	Specialized/Alex HRXC, 32-hole
Spokes	Stainless steel, 15ga. (1.8mm) straight gauge
Front tire	24 x 1.80" Specialized Roll-X
Wheel size	24" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on August 22, 2026.