VelopediaBicycle Archive · Specification report

1997 Gary Fisher Mt. Jam

Velopedia Archive ID 68862

Overview

Model year1997
BrandGary Fisher
ModelMt. Jam
Bicycle typeJuvenile mountain bike, suspension
Archive ID68862
Original MSRP$249.99
ColorsChrome-plated
SizesBoys 11.5"
Weight27.4 lb

Frameset

Frame constructionTIG-welded
Frame materialHi-tensile steel
ForkRST 161
Fork materialAluminum/chromoly, triple-clamp crown
Rear shockN/A

Drivetrain

ShiftersGrip Shift MRX-160
Front derailleurShimano Tourney TY-22 top-swing, bottom-pull/clamp-on 28.6 mm
Rear derailleurShimano Tourney TY-22
CranksetSR, 28/38/48 teeth
Bottom bracketYST BB 613
BB shell width73mm English
Rear cogs6-speed, 14 - 28 teeth
ChainKMC UG-50, 1/2 x 3/32"
PedalsResin

Brakes

BrakesAluminum cantilever brakes, aluminum levers

Cockpit & contact points

Headset1" steel
HandlebarSteel
Handlebar extensionsNot included
StemSteel
SaddleFisher Supersoft
SeatpostPillar, steel, 26.6 mm diameter

Wheels & tires

HubsAluminum nutted
RimsWeinmann 519, 36-hole
SpokesSteel, 1.8mm straight gauge
Spoke nipplesBrass nipples
Front tire24 x 1.95" Kenda
Wheel size24" wheels

Geometry · Legacy reference

Top tube525 mm
Head-tube angle70.5°
Seat-tube angle74.5°
Chainstay / rear center394 mm
Wheelbase981 mm
Fork offset / rake38.1 mm

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