Bicycle Archive · Specification report

1998 AMP Research B5 F4BLT Carbon (03)

Velopedia Archive ID 75137

Overview

Model year	1998
Brand	AMP Research
Model	B5 F4BLT Carbon (03)
Bicycle type	Mountain bike, front & rear suspension
Archive ID	75137
Original MSRP	$1,950.00
Colors	Ball-Burnished, Solar Yellow
Sizes	Large, medium, small

Frameset

Frame construction	TIG-welded
Frame material	Alcoa Alcalyte 6013 T6 aluminum
Fork	AMP Research F4BLT
Fork material	Aluminum/carbon fiber, linkage crown
Rear shock	AMP Research, 5.0" travel

Drivetrain

Component group	Shimano STX
Shifters	Shimano STX RapidFire SL
Front derailleur	Shimano STX top-swing, top-pull
Rear derailleur	Shimano STX
Crankset	Shimano STX, 22/32/42 teeth
Bottom bracket	Shimano BB-LP26
Rear cogs	8-speed, 11 - 28 teeth
Chain	Shimano CN-IG51, 1/2 x 3/32"
Pedals	Not included

Brakes

Brakes	Shimano STX cantilever brakes, Shimano STX levers

Cockpit & contact points

Headset	1 1/8" threadless Aheadset
Handlebar	Control Tech aluminum
Handlebar extensions	Not included
Stem	Control Tech
Saddle	Vetta TT
Seatpost	Control Tech or Thomson, 31.6mm diameter

Wheels & tires

Hubs	Shimano STX
Rims	Mavic 238
Front tire	Buyer's choice
Wheel size	Buyer's choice wheels

Geometry · Legacy reference

Top tube	574 mm
Head-tube angle	71°
Seat-tube angle	73°
Chainstay / rear center	426.7 mm
Wheelbase	1066.8 mm

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