Bicycle Archive · Specification report

2005 Litespeed Tachyon 650c

Velopedia Archive ID 93845

Overview

Model year	2005
Brand	Litespeed
Model	Tachyon 650c
Bicycle type	Road race & triathlon
Archive ID	93845
Colors	Polished
Sizes	47cm, 49cm

Frameset

Frame construction	TIG-welded
Frame material	3Al/2.5V titanium
Fork	Lite TEC
Fork material	Carbon fiber, aero crown
Rear shock	N/A

Drivetrain

Component group	Road Mix
Shifters	Shimano Dura-Ace bar-end
Front derailleur	Shimano 105
Rear derailleur	Shimano 105 SS
Crankset	FSA Energy, 39/53 teeth
Bottom bracket	FSA Platinum ISIS, 108mm spindle
BB shell width	68mm English
Rear cogs	9-speed, 12 - 25 teeth
Chain	Shimano CN-HG73, 1/2 x 3/32"
Pedals	N/A

Brakes

Brakes	Shimano 105 Dual Pivot brakes, Dia-Compe 188 levers

Cockpit & contact points

Headset	1 1/8" threadless Cane Creek
Handlebar	Vision
Handlebar extensions	Vision Clip On
Stem	Vision Size More
Saddle	Velo
Seatpost	Aluminum

Wheels & tires

Hubs	Front: FSA RD-80, Rear: FSA RD-80
Rims	FSA RD 80
Front tire	650 x 23c Vittoria Rubino Pro
Wheel size	650c wheels

Geometry · Legacy reference

Top tube	550 mm
Head-tube angle	73.5°
Seat-tube angle	78°
Chainstay / rear center	400 mm
Wheelbase	1011 mm
Fork offset / rake	40 mm

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