VelopediaBicycle Archive · Specification report

2003 Litespeed Siena 105

Velopedia Archive ID 39115

Overview

Model year2003
BrandLitespeed
ModelSiena 105
Bicycle typeRoad race & triathlon
Archive ID39115
Original MSRP$3,005.00
ColorsBrushed
Sizes51cm, 53cm, 55cm, 57cm, 59cm

Frameset

Frame constructionTIG-welded
Frame material3Al/2.5V titanium/carbon fiber composite
ForkLSP Carbon
Fork materialCarbon fiber composite, aero crown
Rear shockN/A

Drivetrain

Component groupShimano 105
ShiftersShimano 105 STI Dual Control
Front derailleurShimano 105, bottom-pull/clamp-on 31.8mm
Rear derailleurShimano 105 SS
CranksetShimano 105, 39/53 teeth
Bottom bracketShimano BB-5500, 109.5mm spindle
BB shell width68mm English
Rear cogs9-speed, 12 - 23 teeth
ChainShimano CN-HG53, 1/2 x 3/32"
PedalsNot included

Brakes

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

Cockpit & contact points

Headset1 1/8" threadless
HandlebarBuyer's choice
Handlebar extensionsNot included
StemBuyer's choice
SaddleBuyer's choice
Seatpost27.2mm diameter

Wheels & tires

HubsShimano R-540
RimsShimano WH-R540, 16-hole
SpokesShimano stainless steel, bladed
Spoke nipplesAluminum nipples
Front tire700 x 23c Continental Grand Prix 3000
Wheel size700c wheels

Geometry · Legacy reference

Top tube555 mm
Head-tube angle73.5°
Seat-tube angle73°
Chainstay / rear center406 mm
Wheelbase975 mm
Fork offset / rake44 mm

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