Bicycle Archive · Specification report

2007 Sun Bicycles EZ-3 AX

Velopedia Archive ID 94825

Overview

Model year	2007
Brand	Sun Bicycles
Model	EZ-3 AX
Bicycle type	Recumbent (tricycle)
Archive ID	94825
Colors	Red/Black
Sizes	32-48" X-Seam
Weight	50 lb

Frameset

Frame construction	TIG-welded
Frame material	7005 aluminum
Fork	Sun
Fork material	Chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	Recumbent Mix
Shifters	SRAM SX5
Front derailleur	Shimano FD-2203, bottom-pull/clamp-on 31.8mm
Rear derailleur	SRAM SX5
Crankset	FSA CFM, 30/42/52 teeth
Bottom bracket	Tien Hsin BB-7420ST, 120mm spindle
BB shell width	68mm English
Rear cogs	9-speed, 11 - 32 teeth
Chain	KMC Z9000, 1/2 x 3/32"
Pedals	Wellgo

Brakes

Brakes	ProMax disc brakes, Promax alloy levers

Cockpit & contact points

Headset	1 1/8" threaded Tien Hsin
Handlebar	Sun Alloy Ape Hanger
Handlebar extensions	Not included
Stem	Aluminum threadless
Saddle	Sun Alloy Cool Back
Seatpost	N/A

Wheels & tires

Hubs	Front: aluminum, Q/R, Rear: Sun Alloy Trike
Rims	Sun Rims Single Track, 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.