Bicycle Archive · Specification report

2005 K2 Astral 4.0

Velopedia Archive ID 93193

Overview

Model year	2005
Brand	K2
Model	Astral 4.0
Bicycle type	Hybrid
Archive ID	93193
Colors	Blue/Silver
Sizes	Small, medium, large, xlarge

Frameset

Frame construction	TIG-welded
Frame material	7000 aluminum
Fork	K2
Fork material	Aluminum, unicrown crown
Rear shock	N/A

Drivetrain

Component group	Hybrid Mix
Shifters	Shimano ST-R443
Front derailleur	Shimano FD-R443, bottom-pull/clamp-on
Rear derailleur	Shimano Tiagra GS
Crankset	TruVativ Five-D, 28/38/48 teeth
Rear cogs	8-speed, 11 - 28 teeth
Chain	KMC HG-53, 1/2 x 3/32"
Pedals	Aluminum cage w/clips & straps

Brakes

Brakes	Tektro linear-pull brakes, Tektro levers

Cockpit & contact points

Headset	1 1/8" integrated TH intelliset
Handlebar	Aluminum flat bar
Handlebar extensions	Not included
Stem	Aluminum, adjustable
Saddle	K2 ComfortTech
Seatpost	Aluminum micro-adjust

Wheels & tires

Hubs	Aluminum, Q/R
Rims	Alex DA-16, 32-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	700 x 28c Vittoria Randonneur
Wheel size	700c wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 30, 2026.