Bicycle Archive · Specification report

2003 Sun Bicycles Retro-7

Velopedia Archive ID 38644

Overview

Model year	2003
Brand	Sun Bicycles
Model	Retro-7
Bicycle type	Cruiser
Archive ID	38644
Original MSRP	$250.00
Colors	Red, Blue, Black
Sizes	18", womens 15", womens 18"
Weight	38 lb

Frameset

Frame construction	Brazed/welded
Frame material	Hi-tensile steel, oversize
Fork material	Hi-tensile steel, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	SRAM MRX
Front derailleur	N/A
Rear derailleur	Shimano Tourney TY-30
Crankset	1-piece 6 1/2", 44 teeth
Bottom bracket	One piece
BB shell width	American
Rear cogs	7-speed, 14 - 28 teeth
Chain	KMC Z410, 1/2 x 3/32"
Pedals	Wellgo LU-990

Brakes

Brakes	Tektro linear-pull brakes, Tektro linear-pull levers

Cockpit & contact points

Headset	1" steel
Handlebar	Steel
Handlebar extensions	N/A
Stem	Steel
Saddle	Viscount 2350
Seatpost	Steel, 25.4mm diameter

Wheels & tires

Hubs	Steel, nutted
Rims	Aluminum, 32-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	26 x 2.125" Kenda
Wheel size	26" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.