Bicycle Archive · Specification report

2004 SE Racing Assassin X-Pert

Velopedia Archive ID 31805

Overview

Model year	2004
Brand	SE Racing
Model	Assassin X-Pert
Bicycle type	BMX
Archive ID	31805
Original MSRP	$250.00
Colors	Electric Red, SE Blue
Sizes	20"

Frameset

Frame construction	TIG-welded
Frame material	SE Racing Certified 7005 Aluminum
Fork	SE Racing Landing Gear Mini
Fork material	Hi-tensile steel
Rear shock	N/A

Drivetrain

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

Brakes

Brakes	Tektro 313A V-brake rear brakes, Tektro 2 finger, alloy rear 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 BMX
Seatpost	SE Racing micro adjust, 350mm

Wheels & tires

Hubs	SE Racing sealed bearing, alloy
Rims	ALex F303, 36-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Front tire	Front: 20 x 2.125" Kenda Wide Track, Rear: 20 x 1.75" Kenda Wide Track
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	520.7 mm
Head-tube angle	74°
Seat-tube angle	71°
Chainstay / rear center	381 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.