VelopediaBicycle Archive · Specification report

1998 Free Agent Ground Zero

Velopedia Archive ID 79453

Overview

Model year1998
BrandFree Agent
ModelGround Zero
Bicycle typeBMX
Archive ID79453
Original MSRP$329.00
ColorsBlue
SizesPro

Frameset

Frame constructionTIG-welded
Frame material7005 aluminum
ForkSpinner
Fork materialChromoly, oversize, unicrown crown
Rear shockN/A

Drivetrain

Component groupN/A
ShiftersN/A
Front derailleurN/A
Rear derailleurN/A
Crankset1-piece chromoly, 44 teeth
Bottom bracketVictor VPB-35
BB shell widthAmerican 24tpi
Rear cogs1-speed, 16 teeth
ChainKMC 410GS, 1/2 x 1/8"
PedalsXerama SP-102

Brakes

BrakesFree Agent linear-pull brakes, Vanguard VG-409P levers

Cockpit & contact points

Headset1 1/8" threadless Tioga
HandlebarFree Agent cromo
Handlebar extensionsN/A
StemFree Agent aluminum
SaddleFree Agent kevlar
SeatpostKalloy SP-242, 26.6mm diameter

Wheels & tires

HubsFalcon HB-30FQ
RimsSun Rims Z-25, 36-hole
SpokesShuhn Lih steel, 2.0mm straight gauge
Spoke nipplesBrass nipples
Front tireFront: 20 x 2.125" Innova IA-2101, Rear: 20 x 1.75" Innova IA-2101
Wheel size20" wheels

Geometry · Legacy reference

Top tube534 mm
Head-tube angle74°
Seat-tube angle72°
Chainstay / rear center402 mm
Wheelbase976 mm
Fork offset / rake40.6 mm

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