Bicycle Archive · Specification report

2003 Kestrel KM40 Ultegra Aero

Velopedia Archive ID 30318

Overview

Model year	2003
Brand	Kestrel
Model	KM40 Ultegra Aero
Bicycle type	Road race & triathlon
Archive ID	30318
Original MSRP	$3,712.00
Colors	Black/Carbon Weave, Red/Carbon Weave, Silver/Carbon Weave
Sizes	52cm, 56cm

Frameset

Frame construction	Monocoque
Frame material	Carbon fiber composite
Fork	EMS Pro 650
Fork material	Carbon fiber composite w/alloy steerer, aero crown
Rear shock	N/A

Drivetrain

Component group	Shimano Ultegra
Shifters	Shimano Ultegra bar-end
Front derailleur	Shimano Ultegra, braze-on
Rear derailleur	Shimano Ultegra
Crankset	Shimano Ultegra, 39/53 teeth
Bottom bracket	Shimano BB-6500, 109.5mm spindle
BB shell width	68mm American
Rear cogs	9-speed
Chain	Shimano Ultegra
Pedals	N/A

Brakes

Brakes	Shimano Ultegra Dual Pivot

Cockpit & contact points

Headset	1" threadless
Saddle	Selle Italia SLR
Seatpost	27.2mm diameter

Wheels & tires

Hubs	Spinergy Xaero
Rims	Spinergy Xaero Lite
Spokes	Spinergy
Front tire	650 x 23c
Wheel size	650c wheels

Geometry · Legacy reference

Top tube	570 mm
Head-tube angle	72.75°
Seat-tube angle	76°
Chainstay / rear center	390 mm
Wheelbase	1012 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 3, 2026.