Bicycle Archive · Specification report

2003 Haro Backtrail X0

Velopedia Archive ID 38527

Overview

Model year	2003
Brand	Haro
Model	Backtrail X0
Bicycle type	Freestyle/jumping
Archive ID	38527
Original MSRP	$189.99
Colors	Anodized Blue, Chrome
Sizes	Junior

Frameset

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

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Fusion 1-Peice, 44 teeth
Bottom bracket	Fusion sealed
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	KMC Z410, 1/2 x 1/8"
Pedals	Haro Small Block resin

Brakes

Brakes	Tektro alloy U-brake rear brakes, Tektro aluminum rear levers

Cockpit & contact points

Headset	1 1/8" threadless Tien Hsin Power Pro
Handlebar	Haro XO Jr.
Handlebar extensions	N/A
Stem	Fusion
Saddle	Haro Landing Strip
Seatpost	Fusion steel pillar, 25.4mm diameter

Wheels & tires

Hubs	Haro OS
Rims	Alex X-303, 48-hole
Spokes	UCP, 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

Geometry · Legacy reference

Top tube	482.6 mm
Head-tube angle	74.5°
Seat-tube angle	70°
Chainstay / rear center	365 mm
Wheelbase	883.9 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 2, 2026.