Bicycle Archive · Specification report

2004 SE Racing Quadrangle 2.0

Velopedia Archive ID 31812

Overview

Model year	2004
Brand	SE Racing
Model	Quadrangle 2.0
Bicycle type	Freestyle/jumping
Archive ID	31812
Original MSRP	$350.00
Colors	Abyss Blue, Blood
Sizes	20"

Frameset

Frame material	SE Racing Certified 4130 CrMo
Fork	SE Racing Landing Gear
Fork material	4130 chromoly
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	SE Racing 3-pc, Forged, 175mm, 44 teeth
Bottom bracket	Euro sealed cartridge, BMX splined
Rear cogs	1-speed, 16 teeth
Chain	KMC Z410, 1/2 x 1/8"
Pedals	Welgo alloy platform

Brakes

Brakes	Tektro 907A U-brake brakes, Tektro 274A 2 finger, alloy levers

Cockpit & contact points

Headset	1 1/8" Aheadset
Handlebar	SE Racing Wing Bar, 4130 CrMo
Handlebar extensions	N/A
Stem	Se Racing BMX, alloy
Saddle	SE Racing Freestyle
Seatpost	SE Racing micro adjust, 2-bolt, 300mm

Wheels & tires

Hubs	SE Racing oversized, alloy, 14mm
Rims	SE Racing alloy, 48-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Front tire	20 x 1.95" Kenda Krackpot
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	520.7 mm
Head-tube angle	74°
Seat-tube angle	70°
Chainstay / rear center	365.8 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 4, 2026.