Boulder Bikes ESTES 2000 VS Co-Motion PRIMERA 2010 specs comparison

Boulder Bikes Estes

General Infos

Model	Estes
Manufacturer	Boulder Bikes
Year of production	2000
Current price	Check price Here ==>
Color choice	-All colors available
Sizes	- Large - medium - small
Sizes	- Large - medium - small

Wheels And Breaking System

Bike front tire	700 X 28c Panaracer Tourguard
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra STI Levers Shimano Deore XTR Cantilever Brakes
Hubs for disc brakes	Hope Tandem
Rims manufacturer	36-hole Sun Rims Rhyno Lite
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Double-butted With Replaceable Derailleur Hanger 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	ITM Super Italian Pro
Handlebar extender	Not Available
Handlebar stem details	Control Tech
Headset size	1 1/8 (inches) Threadless Chris King NoThreadSet

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG92
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	122.5 (millimeters) Spindle Shimano BB-UN72
Crankset parts and sizes	28/42/54 Teeth Sugino XD600 Tandem
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	11 - 34 Teeth 9-speed

Boulder Bikes Estes Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 35.0 (millimeters) Shimano Ultegra
Derailleur (Rear)	Shimano XTR SGS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	2.75 (inches) Travel Marzocchi Bomber Z-4

Other Specs of Boulder Bikes Estes

Component group sets	Tandem Mix
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Chromoly Rails SDG Ventura Comp
Seat post extension	27.2 (millimeters) Diameter Control Tech Control Post

Co-Motion Primera

General Infos

Model	Primera
Manufacturer	Co-Motion
Year of production	2010
Current price	Check price Here ==>
Color choice	- Viola Blue -Ferrari Red
Sizes	- Captain 21/stoker 18 (inches) - captain 22/stoker 19 (inches) - captain 23/stoker 18 (inches) - captain 23/stoker 20 (inches)

Wheels And Breaking System

Bike front tire	700 X 28c Continental Ultra Sport
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra Levers Avid Single Digit 5 Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	Velocity Dyad
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Co-Motion Heat-treated Zonally-butted Tandem Tubing
Frame type	TIG-welded
Handlebar construction	And Co-Motion Stoker FSA Omega 31.8 Capt.
Handlebar extender	Optional
Handlebar stem details	FSA OS-150 And Co-Motion Telescoping Stoker
Headset size	1 1/8 (inches) Threadless FSA Orbit X

Gearing Specifications

Bicycle chain	KMC
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ Elita GXP
Crankset parts and sizes	30/39/52 Teeth TruVativ Elita Tandem
Gear shift levers	Shimano Ultegra STI
Rear gear set	11 - 28 Teeth 10-speed

Co-Motion Primera Fork System Data

Derailleur (Front)	Shimano Ultegra Triple
Derailleur (Rear)	Shimano Ultegra Triple
Fork material	Unicrown Crown Taper Gauge Chromoly With CNC Steerer
Fork type	Co-Motion

Other Specs of Co-Motion Primera

Component group sets	Tandem Mix
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Selle Italia X2
Seat post extension	29.8 (millimeters) Diameter Kalloy Seraph