Co-Motion SPEEDSTER - ULTEGRA STI 2001 VS Burley DUET 1998 specs comparison

Co-Motion Speedster - Ultegra STI

General Infos

Model	Speedster - Ultegra STI
Manufacturer	Co-Motion
Year of production	2001
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- Captain 21/stoker 18 (inches) - captain 22/stoker 19 (inches) - captain 23/stoker 20 (inches)
Sizes	- Captain 21/stoker 18 (inches) - captain 22/stoker 19 (inches) - captain 23/stoker 20 (inches)

Wheels And Breaking System

Bike front tire	700 X 28c Avocet Fast Grip
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra STI Dual Control Levers Avid 1D-25 Brakes
Hubs for disc brakes	Hugi Tandem
Rims manufacturer	Velocity Diad
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Reynolds 525/725/631
Frame type	TIG-welded
Handlebar construction	Profile Ha (millimeters)er
Handlebar extender	Not Available
Handlebar stem details	Salsa Moto Ace
Headset size	1 1/8 (inches) Threadless Race Face Thermo SP

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG92
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	118.5 (millimeters) Spindle Shimano BB-6500
Crankset parts and sizes	30/42/52 Teeth Shimano Ultegra Tandem
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	11 - 32 Teeth 9-speed

Co-Motion Speedster - Ultegra STI Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Ultegra
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Unicrown Crown Co-Motion Custom Chromoly
Fork type	Co-Motion Tandem

Other Specs of Co-Motion Speedster - Ultegra STI

Component group sets	Not Available
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Co-Motion Dual Density
Seat post extension	29.8 (millimeters) Diameter Zoom Micro-adjust

Burley Duet

General Infos

Model	Duet
Manufacturer	Burley
Year of production	1998
Current price	Check price Here ==>
Color choice	-Hot rod red
Sizes	- Captain 20.5/stoker 18 (inches) - captain 22/stoker 19.5 (inches) - captain 23.5/stoker 21 (inches)

Wheels And Breaking System

Bike front tire	700 X 25c Ritchey Tom Slick
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano 105SC Levers Shimano Deore LX M-System Brakes
Hubs for disc brakes	Shimano Tandem HF-07
Rims manufacturer	48-hole Matrix Vapor
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Burley Exclusive True Temper Tandem Chromoly
Frame type	TIG-welded
Handlebar construction	Aluminum Burley Racing
Handlebar extender	Not Available
Handlebar stem details	Burley Chromoly
Headset size	1 1/8 (inches) Tange-Seiki Avenger

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG50
Bottom bracket shell width	82 (millimeters) Special Tandem
Bottom bracket type	122 (millimeters) Spindle Burley Tandem Precision Sealed
Crankset parts and sizes	30/42/53 Teeth Shimano Tandem
Gear shift levers	Shimano 105SC STI Dual Control
Rear gear set	11 - 30 Teeth 8-speed

Burley Duet Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano 105SC
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Burley-Exclusive Unicrown Crown True Temper Tandem Chromoly
Fork type	Burley

Other Specs of Burley Duet

Component group sets	Tandem Mix
Pedals details	Wellgo WPD-700 Clipless
Rear shock absorber	Not Available
Saddle seat	Vetta SL
Seat post extension	26.6 (millimeters) Diameter Aluminum Micro-adjust