Bicycle Archive · Specification report

2000 Specialized Fatboy 415 FSX

Velopedia Archive ID 45159

Overview

Model year	2000
Brand	Specialized
Model	Fatboy 415 FSX
Bicycle type	Freestyle/jumping
Archive ID	45159
Original MSRP	$329.99
Colors	Burnt Red
Sizes	Large

Frameset

Frame construction	TIG-welded
Frame material	Chromoly main triangle/hi-tensile steel rear stays
Fork	Specialized
Fork material	Chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Specialized Strong Arm 2, 43 teeth
Bottom bracket	Specialized sealed bearing
Rear cogs	1-speed, 16 teeth
Chain	1/2 x 1/8"
Pedals	Specialized BMX Alloy

Brakes

Brakes	Tektro 990 U-brake brakes, Specialized alloy levers

Cockpit & contact points

Headset	1 1/8" threadless Tange Seiki alloy
Handlebar	Specialized chromoly
Handlebar extensions	Not included
Stem	Specialized alloy
Saddle	Specialized TRX
Seatpost	Specialized chromoly, 29.2mm diameter

Wheels & tires

Hubs	Front: Specialized Hex alloy, Rear: Specialized alloy
Rims	Alex MX 22, 48-hole
Spokes	UCP, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1.80" Specialized Casino
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	480 mm
Head-tube angle	74°
Seat-tube angle	71°
Chainstay / rear center	375 mm
Wheelbase	902 mm
Fork offset / rake	25.4 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 3, 2026.