Bicycle Archive · Specification report

1998 Haro Ultra

Velopedia Archive ID 78493

Overview

Model year	1998
Brand	Haro
Model	Ultra
Bicycle type	Freestyle/jumping
Archive ID	78493
Original MSRP	$700.00
Colors	Chrome-plated, grey
Sizes	Boys
Weight	33 lb

Frameset

Frame construction	TIG-welded
Frame material	Chromoly
Fork	Haro Ground Zero
Fork material	4130 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, 37 teeth
Bottom bracket	Fusion sealed
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	KMC 410, 1/2 x 1/8"
Pedals	Fusion DX style platform, aluminum

Brakes

Brakes	Dia-Compe 990 brakes, Dia-Compe MX-99 levers

Cockpit & contact points

Headset	1 1/8" threadless Aheadset SB-1 w/SST Oryg detangler
Handlebar	Haro Kneesaver II
Handlebar extensions	N/A
Stem	Haro
Saddle	Haro Freestyle Shorty
Seatpost	Fusion, 25.4mm diameter

Wheels & tires

Hubs	Front: Haro Megahub, Rear: Nankai Freecoaster
Rims	Araya Super 7X, 48-hole
Spokes	Stainless steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 2.10" Haro Multisurface III
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	487.7 mm
Head-tube angle	75°
Seat-tube angle	69°
Chainstay / rear center	375.9 mm
Wheelbase	886.5 mm

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