Bicycle Archive · Specification report

1998 Sunn Revolt GP Flex

Velopedia Archive ID 79387

Overview

Model year	1998
Brand	Sunn
Model	Revolt GP Flex
Bicycle type	Mountain bike, front & rear suspension
Archive ID	79387
Original MSRP	$1,818.00
Colors	Black
Sizes	Large, medium, small, xlarge

Frameset

Frame construction	TIG-welded
Frame material	Fuji Flex
Fork	Obsys 55
Fork material	7075 aluminum, triple-clamp crown
Rear shock	Sunn Flex, 1.0" travel

Drivetrain

Component group	Grip Shift ESP 9.0SL
Shifters	Grip Shift ESP 9.0SL
Front derailleur	Grip Shift ESP 9.0SL, bottom-pull
Rear derailleur	Grip Shift ESP 9.0SL
Crankset	Race Face Turbine LP, 24/36/46 teeth
Bottom bracket	Fsa
BB shell width	68mm English
Rear cogs	8-speed, 11 - 30 teeth
Chain	Sachs PC-61, 1/2 x 3/32"
Pedals	Not included

Brakes

Brakes	Avid 1D-20 brakes, Avid SD-2.0 L levers

Cockpit & contact points

Headset	1 1/8" threadless FSA Orbit
Handlebar	Brute 145
Handlebar extensions	Not included
Stem	Syncros Hinge
Saddle	Selle Italia Nitrox
Seatpost	Syncros Hardcore aluminum

Wheels & tires

Hubs	Sunn Brubz3
Rims	Mavic X517, 32-hole
Spokes	Mach 1 stainless steel, 1.8mm straight gauge
Spoke nipples	Brass nipples
Front tire	26 x 1.95" Hutchinson Python
Wheel size	26" wheels

Geometry · Legacy reference

Top tube	560 mm
Head-tube angle	71°
Seat-tube angle	73°
Chainstay / rear center	430 mm
Wheelbase	1069 mm
Fork offset / rake	40 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 29, 2026.