VelopediaBicycle Archive ยท Specification report

2004 K2 Mach 4.0

Velopedia Archive ID 92521

Overview

Model year2004
BrandK2
ModelMach 4.0
Bicycle typeRoad/sport
Archive ID92521
Original MSRP$1,349.99
ColorsSilver/Charcoal
SizesLarge, medium, small, xsmall

Frameset

Frame constructionTIG-welded
Frame material7000 aluminum
ForkK2 Carbon
Fork materialCarbon fiber, unicrown crown
Rear shockN/A

Drivetrain

Component groupRoad Mix
ShiftersShimano Ultegra STI Dual Control
Front derailleurShimano Ultegra Triple
Rear derailleurShimano Ultegra GS
CranksetRitchey Pro, 30/42/52 teeth
Bottom bracketTruVativ ISIS Drive
BB shell width68mm English
Rear cogs9-speed, 12 - 25 teeth
ChainShimano CN-HG53, 1/2 x 3/32"
PedalsShimano PD-5500 SPD-R

Brakes

BrakesShimano 105 Dual Pivot brakes, Shimano Ultegra STI Dual Control levers

Cockpit & contact points

Headset1 1/8" Ritchey Logic Comp
HandlebarRitchey Logic Pro 31.8
Handlebar extensionsNot included
StemRitchey Logic Pro 31.8
SaddleSelle Italia XO Sudo
SeatpostRitchey Pro Road

Wheels & tires

HubsRitchey Comp Road
RimsRitchey Comp Aero, 28-hole
SpokesDT stainless steel, 14ga. (2.0mm) straight gauge
Front tire700 x 25c Vittoria Rubino Tech
Wheel size700c wheels

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