VelopediaBicycle Archive · Specification report

1998 Sunn Radical +

Velopedia Archive ID 76161

Overview

Model year1998
BrandSunn
ModelRadical +
Bicycle typeMountain bike, front & rear suspension
Archive ID76161
Original MSRP$6,000.00
ColorsDesert Storm
Sizes18"
Weight35.64 lb

Frameset

Frame constructionTIG-welded
Frame materialColumbus Nirvacrom
ForkSunn Obsys DH
Fork materialAluminum, double triple-clamp crown
Rear shockSunn Obsys, 5.5" travel

Drivetrain

Component groupMountain Mix
ShiftersGrip Shift ESP 9.0SL rear
Front derailleurSunn chainguide, chain retention device
Rear derailleurGrip Shift ESP 9.0SL
CranksetRace Face Turbine LP, 44 teeth
Bottom bracketRace Face Taperlock
Rear cogs8-speed, 11 - 30 teeth
Chain1/2 x 3/32"
PedalsNot included

Brakes

BrakesFormula Hydraulic disc brakes, Formula Hydraulic levers

Cockpit & contact points

Headset1 1/8" threadless FSA
HandlebarBrute DH
Handlebar extensionsNot included
StemSyncros Hardcore
SeatpostRudd alloy

Wheels & tires

HubsSunn Brubz Disc
RimsMavic D 521, 36-hole
SpokesDT stainless steel, 2.0mm straight gauge
Spoke nipplesBrass nipples
Front tire26 x 2.10" Hutchinson On The Rocks 2
Wheel size26" wheels

Geometry · Legacy reference

Top tube572 mm
Head-tube angle68.5°
Seat-tube angle69.5°
Chainstay / rear center445 mm
Wheelbase1120 mm
Fork offset / rake51 mm

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