VelopediaBicycle Archive · Specification report

2004 Specialized Big Hit Grom

Velopedia Archive ID 31757

Overview

Model year2004
BrandSpecialized
ModelBig Hit Grom
Bicycle typeMountain bike, front & rear suspension
Archive ID31757
Original MSRP$770.00
ColorsRed
SizesShort

Frameset

Frame constructionTIG-welded
Frame materialSpecialized A1 aluminum
ForkMarzocchi MZ Comp, 100mm travel
Fork materialAluminum, dual crown
Rear shockCoil

Drivetrain

Component groupMountain Mix
ShiftersShimano Alivio RapidFire
Front derailleurN/A
Rear derailleurShimano Deore
CranksetTruVativ Hussefelt, 38 teeth
Bottom bracketTruVativ ISIS DH, 113mm spindle
BB shell width73mm English
Rear cogs8-speed, 11 - 32 teeth
ChainShimano CN-IG31, 1/2 x 3/32"
PedalsAluminum platform

Brakes

BrakesHayes HMX-2 Mechanical Disc brakes, Tektro Jr. V levers

Cockpit & contact points

Headset1 1/8" threadless Aheadset Tank MX
HandlebarSpecialized aluminum
Handlebar extensionsNot included
StemTruVativ Hussefelt
SaddleSpecialized Jumping
SeatpostAluminum, 30.9mm diameter

Wheels & tires

HubsAluminum disc Q/R
RimsSun Rims Ditch Witch, 36-hole
SpokesStainless steel, 14ga. (2.0mm) straight gauge
Spoke nipplesBrass nipples
Front tire24 x 2.30" Specialized Roller
Wheel size24" wheels

Geometry · Legacy reference

Head-tube angle68.5°
Seat-tube angle69°
Chainstay / rear center420 mm
Wheelbase1117 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 4, 2026.