Bicycle Archive · Specification report

2003 Sun Bicycles Atlas Tandem

Velopedia Archive ID 91849

Overview

Model year	2003
Brand	Sun Bicycles
Model	Atlas Tandem
Bicycle type	Tandem (cruiser)
Archive ID	91849
Original MSRP	$550.00
Colors	Safety Yellow
Sizes	Captain 18.5"/stoker 16"

Frameset

Frame construction	TIG-welded
Frame material	Hi-tensile steel
Fork	Sun Bicycles
Fork material	Hi-tensile steel, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	1-piece chromoly, 36/44 teeth
Bottom bracket	Sealed
Rear cogs	1-speed, 18 teeth
Chain	KMC Z410RB, 1/2 X 1/8"
Pedals	Victor VP rubber

Brakes

Brakes	Tektro alloy direct pull/coaster brake rear brakes, Tektro aluminum levers

Cockpit & contact points

Headset	1" threaded sealed mechanism
Handlebar	Steel
Handlebar extensions	N/A
Stem	Steel
Saddle	Cruiser
Seatpost	Aluminum, 28.6mm diameter

Wheels & tires

Hubs	Front: steel, nutted, Rear: Shimano Coaster Brake
Rims	Aluminum, 36-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	26 x 2.125" Kenda K-80
Wheel size	26" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 15, 2026.