VelopediaBicycle Archive · Specification report

1999 SE Racing Assassin X

Velopedia Archive ID 84114

Overview

Model year1999
BrandSE Racing
ModelAssassin X
Bicycle typeBMX
Archive ID84114
Original MSRP$399.99
ColorsBall-Burnished, Metallica Grey, Moto Madness Green
SizesPro XL
Weight26 lb

Frameset

Frame constructionTIG-welded
Frame material7005 aluminum
ForkSE Racing Landing Gear
Fork material4130 chromoly, unicrown crown
Rear shockN/A

Drivetrain

Component groupN/A
ShiftersN/A
Front derailleurN/A
Rear derailleurN/A
Crankset1-piece chromoly 180mm, 44 teeth
Bottom bracketYST BB 621
BB shell widthAmerican 24tpi
Rear cogs1-speed, 16 teeth
ChainKMC 410, 1/2 x 1/8"
PedalsWellgo LU-313

Brakes

BrakesChang Star UB-885AS rear brakes, Chang Star UL-N281DT rear levers

Cockpit & contact points

Headset1 1/8" threadless Tioga TG
HandlebarSE Racing Crowbar
Handlebar extensionsN/A
StemWei Hau MX-241
SaddleVelo VL-283
SeatpostKalloy SP-4130 micro-adjust, 26.8mm diameter

Wheels & tires

HubsFormula OV 31
RimsAlex VP-20F, 36-hole
SpokesDa-Sen steel, 2.0mm straight gauge
Spoke nipplesBrass nipples
Front tireFront: 20 x 2.125" Kenda K-50 Comp III type, Rear: 20 x 1.75" Kenda K-50 Comp III type
Wheel size20" wheels

Geometry · Legacy reference

Top tube533.4 mm
Head-tube angle75°
Seat-tube angle72°
Chainstay / rear center391.2 mm
Fork offset / rake31.8 mm

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