Bicycle Archive · Specification report

2007 Sun Bicycles EZ-Tandem AX

Velopedia Archive ID 94834

Overview

Model year	2007
Brand	Sun Bicycles
Model	EZ-Tandem AX
Bicycle type	Recumbent (tandem)
Archive ID	94834
Original MSRP	$2,795.00
Colors	Blue
Sizes	36-44" X-Seam
Weight	54 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 X-9
Front derailleur	Shimano FD-2203, dual-pull/clamp-on 31.8mm
Rear derailleur	SRAM X9
Crankset	IPS Aluminum Tandem, 30/42/52 teeth
Bottom bracket	Sealed cartridge, 117.5mm spindle
BB shell width	68mm English
Rear cogs	9-speed, 11 - 34 teeth
Chain	KMC Z9000, 1/2 x 3/32"
Pedals	Wellgo

Brakes

Brakes	Avid Mechanical Disc brakes, Avid Speed Dial 7 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	American Classic Disc
Rims	Sun Rims Single Track, 36-hole/48-hole
Spokes	Stainless steel, 13ga. Front / 14ga. Rear straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1.50" Kenda Kwest
Rear tire	26 x 1.50" Kenda Kwest
Wheel size	Front: 20", Rear: 26" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 14, 2026.