Bicycle Archive · Specification report

2005 Sun Bicycles EZ-3 SX Tadpole

Velopedia Archive ID 93012

Overview

Model year	2005
Brand	Sun Bicycles
Model	EZ-3 SX Tadpole
Bicycle type	Recumbent (tricycle)
Archive ID	93012
Original MSRP	$1,095.00
Colors	Yellow

Frameset

Frame construction	TIG-welded
Frame material	Hi-tensile steel
Fork	Sun
Fork material	High-tensile steel, unicrown crown

Drivetrain

Component group	Recumbent Mix
Shifters	SRAM 3.0
Front derailleur	Shimano
Rear derailleur	SRAM ESP 3.0
Crankset	Aluminum, 30/42/52 teeth
Bottom bracket	Sealed cartridge
Rear cogs	8-speed, 11 - 32 teeth
Chain	1/2 x 3/32"

Brakes

Brakes	Quad QMD-6 mechanical disc brakes, Promax alloy levers

Cockpit & contact points

Headset	Steel sealed
Handlebar	Steel
Handlebar extensions	N/A
Stem	Aluminum
Saddle	Sun
Seatpost	N/A

Wheels & tires

Hubs	Front: Tadpole aluminum, Rear: Promax DB-600R
Rims	Aluminum single wall
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1.50" Kenda Kwest
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 26, 2026.