Bicycle Archive · Specification report

2006 Sun Bicycles EZ-3 USX

Velopedia Archive ID 94074

Overview

Model year	2006
Brand	Sun Bicycles
Model	EZ-3 USX
Bicycle type	Recumbent (tricycle)
Archive ID	94074
Original MSRP	$985.00
Colors	Silver/Black
Sizes	37-46" X-Seam
Weight	65 lb

Frameset

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

Drivetrain

Component group	Recumbent Mix
Shifters	SRAM MRX-Plus
Front derailleur	Shimano Tourney TY-32, bottom-pull/clamp-on 31.8mm
Rear derailleur	Shimano RD-M340
Crankset	3-piece aluminum, 30/42/52 teeth
Bottom bracket	Sealed mechanism, 120mm spindle
BB shell width	68mm English
Rear cogs	7-speed, 13 - 28 teeth
Chain	KMC Z51, 1/2 x 3/32"
Pedals	Wellgo

Brakes

Brakes	ProMax forged linear-pull front/Winzip Disc rear brakes, Promax aluminum front/Promax Aluminum w/Lock rear levers

Cockpit & contact points

Headset	1 1/8" threaded Tien Hsin
Handlebar	Sun USS
Handlebar extensions	N/A
Stem	Aluminum threadless
Saddle	Sun Steel Cool Back
Seatpost	N/A

Wheels & tires

Hubs	Front: aluminum, Q/R, Rear: Sun Tadpole Aluminum
Rims	Aluminum single wall, 36-hole
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.