VelopediaBicycle Archive · Specification report

1998 AMP Research B4 F3XC Carbon (02)

Velopedia Archive ID 79371

Overview

Model year1998
BrandAMP Research
ModelB4 F3XC Carbon (02)
Bicycle typeMountain bike, front & rear suspension
Archive ID79371
Original MSRP$2,525.00
ColorsBall-Burnished, Candy Apple Red
SizesLarge, medium, small, xsmall

Frameset

Frame constructionTIG-welded
Frame materialAlcoa 6013 T6 aluminum, carbon fiber rear triangle
ForkAMP Research F3 XC
Fork materialAluminum/carbon fiber, linkage crown
Rear shockAMP Research, 3.0" travel

Drivetrain

Component groupShimano Deore XT
ShiftersShimano Deore XT RapidFire SL
Front derailleurShimano Deore XT, top-pull
Rear derailleurShimano Deore XT
CranksetShimano Deore XT, 22/32/42 teeth
Bottom bracketShimano BB-UN72
Rear cogs8-speed, 11 - 28 teeth
ChainShimano CN-IG70, 1/2 x 3/32"
PedalsNot included

Brakes

BrakesAMP D1 Hydraulic Disc Brake System brakes, Shimano Deore XT levers

Cockpit & contact points

Headset1 1/8" threadless Aheadset
HandlebarControl Tech aluminum
Handlebar extensionsNot included
StemControl Tech
SaddleVetta TT
SeatpostControl Tech or Thomson, 31.6mm diameter

Wheels & tires

HubsFront: AMP Research, Rear: Shimano Deore XT
RimsMavic 238
Front tireBuyer's choice
Wheel sizeBuyer's choice wheels

Geometry · Legacy reference

Top tube574 mm
Head-tube angle71°
Seat-tube angle73°
Chainstay / rear center426.7 mm
Wheelbase1066.8 mm
Fork offset / rake57.1 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 22, 2026.