Bicycle Archive · Specification report

1998 Sunn Lecoupe

Velopedia Archive ID 76274

Overview

Model year	1998
Brand	Sunn
Model	Lecoupe
Bicycle type	BMX
Archive ID	76274
Original MSRP	$654.00
Colors	Yellow
Sizes	Pro, Pro XL

Frameset

Frame construction	TIG-welded
Frame material	Chromoly
Fork	Sunn
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	Profile Racing, 44 teeth
Bottom bracket	Profile sealed bearing
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	Sachs, 1/2 x 1/8"
Pedals	Rudd

Brakes

Brakes	front/Avid 1D-10 rear rear brakes, Avid AD-1.0 levers

Cockpit & contact points

Headset	1 1/8" threadless Aheadset
Handlebar	Barbar
Handlebar extensions	Not included
Stem	Rudd
Saddle	Selle Italia Nitrox
Seatpost	Rudd alloy

Wheels & tires

Hubs	Rudd alloy
Rims	Mavic XX, 36-hole
Spokes	Mach 1 stainless steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	Front: 20 x 2.125" Hutchinson Hooper, Rear: 20 x 1.75" Hutchinson Hooper
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	520 mm
Head-tube angle	74°
Seat-tube angle	72°
Chainstay / rear center	395 mm
Wheelbase	970 mm
Fork offset / rake	30 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 29, 2026.