Bicycle Archive · Specification report

2002 Eastern Bikes Atom Hercules

Velopedia Archive ID 36940

Overview

Model year	2002
Brand	Eastern Bikes
Model	Atom Hercules
Bicycle type	Freestyle/jumping
Archive ID	36940
Original MSRP	$364.99
Colors	Black
Sizes	Pro

Frameset

Frame construction	TIG-welded
Frame material	Chromoly
Fork	Eastern Bikes
Fork material	Chromoly, oversize, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	3-piece chromoly, 44 teeth
Bottom bracket	Loose ball
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	1/2 x 1/8"
Pedals	Wellgo aluminum

Brakes

Brakes	Tektro 906Afs U-brakes front/Tektro 906A U-brake rear brakes, Dia-Tech MX 101 levers

Cockpit & contact points

Headset	1 1/8" steel, SST rotor
Handlebar	Eastern 4-piece chromoly
Handlebar extensions	N/A
Stem	Big Block aluminum
Saddle	Eastern Jumpseat
Seatpost	Chromoly micro-adjust

Wheels & tires

Hubs	Aluminum
Rims	Alex MX 22, 48-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1.95" Kenda Kikzumbut
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	520.7 mm
Head-tube angle	74.5°
Chainstay / rear center	368.3 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 1, 2026.