Bicycle Archive · Specification report

2003 Haro Backtrail X4

Velopedia Archive ID 38532

Overview

Model year	2003
Brand	Haro
Model	Backtrail X4
Bicycle type	Freestyle/jumping
Archive ID	38532
Original MSRP	$419.99
Colors	Raw, SG Black
Sizes	Pro

Frameset

Frame construction	TIG-welded
Frame material	Chromoly
Fork	Haro Straight Shooter
Fork material	Chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Fusion 3-piece chromoly 180mm, 39 teeth
Bottom bracket	Sealed cartridge
BB shell width	American
Rear cogs	1-speed, 14 teeth
Chain	KMC Z710HX
Pedals	Haro Small Block

Brakes

Brakes	DiaTech 996 U-Brake rear brakes, Odyssey Modulever rear levers

Cockpit & contact points

Headset	1 1/8" threadless Aheadset Cromo
Handlebar	Haro Slim Bar
Handlebar extensions	N/A
Stem	Haro Big-Block
Saddle	Haro Landing Pad
Seatpost	Haro Twin Torque Cromoly micro-adjust, 25.4mm diameter

Wheels & tires

Hubs	Front: Haro Fat Hub, Rear: Haro Megahub
Rims	Alex MT-28, 48-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	Front: 20 x 2.25" Haro Catapult, Rear: 20 x 2.10" Haro Catapult
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 1, 2026.