VelopediaBicycle Archive · Specification report

1999 Tomac 204 Magnum

Velopedia Archive ID 87298

Overview

Model year1999
BrandTomac
Model204 Magnum
Bicycle typeMountain bike, front & rear suspension
Archive ID87298
ColorsGuards Red
SizesLarge, medium, small

Frameset

Frame constructionMIG-welded
Frame materialEaston Custom Magnum
ForkAnswer Manitou X-Vert Carbon, 7.0" travel
Fork materialAluminum/magnesium, double triple-clamp crown
Rear shockAnswer Bazooka Big Shaft, 8.0" travel

Drivetrain

Component groupMountain Mix
ShiftersSRAM ESP 9.0 SL rear
Front derailleurMountain Race Products DH-1, chain retention device
Rear derailleurSRAM ESP 9.0 SL
CranksetRace Face Turbine DH
Bottom bracketRace Face Taperlock, 145mm spindle
BB shell width100mm English
Rear cogs9-speed, 11 - 28 teeth
ChainSachs SC-M90, 1/2 x 3/32"
PedalsAtomic Flatboy

Brakes

BrakesMagura Gustav M Disc brakes, Magura Gustav M levers

Cockpit & contact points

Headset1 1/8" threadless Race Face Real Seal
HandlebarProfile
Handlebar extensionsNot included
StemProfile
SaddleTioga Multicontrol XL
SeatpostProfile, 31.6mm diameter

Wheels & tires

HubsMavic Dee Max Disc
RimsMavic Dee Max, 36-hole
SpokesMavic stainless steel, 2.0mm double-butted
Spoke nipplesBrass nipples
Front tire26 x 2.30" Tioga Factory DH kevlar
Wheel size26" wheels

Geometry · Legacy reference

Top tube596.9 mm
Head-tube angle68°
Seat-tube angle65°
Chainstay / rear center438.1 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 23, 2026.