Bicycle Archive · Specification report

1999 Haro Mirra 540

Velopedia Archive ID 89614

Overview

Model year	1999
Brand	Haro
Model	Mirra 540
Bicycle type	Freestyle/jumping
Archive ID	89614
Original MSRP	$290.00
Colors	Chrome-Plated, Cromolive, Yellow
Sizes	Pro
Weight	34.5 lb

Frameset

Frame construction	TIG-welded
Frame material	4130 chromoly main triangle/hi-tensile steel rear stays
Fork	Haro Straight Shooter
Fork material	Chromoly/hi-tensile steel, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Haro Megacrank, 44 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 Bulldog front/Tektro 909A rear brakes, Chang Star 257A levers

Cockpit & contact points

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

Wheels & tires

Hubs	Haro Fat Hub
Rims	Araya 707X, 48-hole
Spokes	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	520.7 mm
Head-tube angle	74°
Seat-tube angle	70°
Chainstay / rear center	361.9 mm
Wheelbase	933.4 mm
Fork offset / rake	28.6 mm

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