Bicycle Archive · Specification report

1999 Co-Motion Sky Cap

Velopedia Archive ID 88379

Overview

Model year	1999
Brand	Co-Motion
Model	Sky Cap
Bicycle type	Tandem (folding)
Archive ID	88379
Original MSRP	$4,340.00
Sizes	Captain 21"/stoker 18", captain 22"/stoker 19", captain 23"/stoker 20"
Weight	40.4 lb

Frameset

Frame construction	TIG-welded
Frame material	Reynolds 525 w/Reynolds 725
Fork	Co-Motion
Fork material	4130 chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	Tandem Mix
Shifters	Shimano Ultegra bar-end
Front derailleur	Shimano Ultegra, bottom-pull
Rear derailleur	Shimano Deore XT SGS
Crankset	Ritchey Tandem, 32/44/54 teeth
Bottom bracket	Shimano BB-UN51
BB shell width	68mm English
Rear cogs	9-speed, 11 - 32 teeth
Chain	Shimano CN-HG92, 1/2 x 3/32"
Pedals	Not included

Brakes

Brakes	Avid 1D-25 brakes, Dia-Compe 287 levers

Cockpit & contact points

Headset	1 1/8" threadless Race Face Thermo SP
Handlebar	Profile Hammer
Handlebar extensions	N/A
Stem	Salsa Moto Ace
Seatpost	Zoom Microset/Softride Beam, 29.8mm diameter

Wheels & tires

Hubs	Phil Wood tandem
Rims	Mavic T 217 SUP
Spokes	DT stainless steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	700 x 28c Avocet Fast Grip
Wheel size	700c wheels

Geometry · Legacy reference

Top tube	571.5 mm
Head-tube angle	73°
Seat-tube angle	73°

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.