Co-Motion PERISCOPE TORPEDO 26 2007 VS Burley DUET 1999 specs comparison

Co-Motion Periscope Torpedo 26

General Infos

Model	Periscope Torpedo 26
Manufacturer	Co-Motion
Year of production	2007
Current price	Check price Here ==>
Color choice	-Choice of 30 standard PPG
Sizes	- Small - large
Sizes	- Small - large

Wheels And Breaking System

Bike front tire	26 X 1.50 (inches) Schwalbe Marathon Racer
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Ultegra Levers Avid BB-7 Mechanical Disk With 203 (millimeters) Rotor Brakes
Hubs for disc brakes	DT Hugi
Rims manufacturer	Velocity Aerohead
Spoke nipples type	Not Available
Spoke wheel	14ga. DT Swiss

Frame and Body Specs

Frame materials	Co-Motion Zonally-butted Tandem Tubing
Frame type	TIG-welded
Handlebar construction	FSA RD-300
Handlebar extender	Optional
Handlebar stem details	FSA OS-150
Headset size	1 1/8 (inches) Threadless FSA Orbit Extreme

Gearing Specifications

Bicycle chain	KMC X10
Bottom bracket shell width	Not Available
Bottom bracket type	FSA Gossamer MegaExo
Crankset parts and sizes	30/42/53 Teeth FSA Gossamer Mega Exo
Gear shift levers	Shimano Ultegra
Rear gear set	11 - 34 Teeth 10-speed

Co-Motion Periscope Torpedo 26 Fork System Data

Derailleur (Front)	Shimano Ultegra
Derailleur (Rear)	Shimano XTR
Fork material	Aero Crown Chromoly
Fork type	Co-Motion

Other Specs of Co-Motion Periscope Torpedo 26

Component group sets	Tandem Mix
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Selle Royale Dardo
Seat post extension	29.8 (millimeters) Diameter Kalloy Seraph

Burley Duet

General Infos

Model	Duet
Manufacturer	Burley
Year of production	1999
Current price	Check price Here ==>
Color choice	-Hotrod 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 105 STI Levers Tektro 917A Brakes
Hubs for disc brakes	Shimano Tandem HF-07
Rims manufacturer	48-hole Rear: Bontrager Fairlane Asy (millimeters)etric Front: Bontrager Fairlane Sy (millimeters)etric
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	Ritchey Road Logic Comp
Handlebar extender	Optional
Handlebar stem details	Burley Chromoly and Ritchey CompLite
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG72
Bottom bracket shell width	82 (millimeters) Special Tandem
Bottom bracket type	121 (millimeters) Spindle Burley Tandem Precision Sealed
Crankset parts and sizes	30/42/53 Teeth Shimano 105
Gear shift levers	Shimano 105 STI Dual Control
Rear gear set	11 - 32 Teeth 9-speed

Burley Duet Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano 105
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	Ritchey Logic
Rear shock absorber	Not Available
Saddle seat	Selle Italia Future Race
Seat post extension	26.6 (millimeters) Diameter Ritchey Expert