Dirt Research ECHO CANYON 1997 VS Schwinn SIERRA TANDEM 2006 specs comparison

Dirt Research Echo Canyon

General Infos

Model	Echo Canyon
Manufacturer	Dirt Research
Year of production	1997
Current price	Check price Here ==>
Color choice	-Lite titanium
Sizes	- Captain 18/stoker 16 (inches) - captain 20/stoker 18 (inches) - captain 22/stoker 18 (inches)
Sizes	- Captain 18/stoker 16 (inches) - captain 20/stoker 18 (inches) - captain 22/stoker 18 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.90 (inches) Tioga City Slicker
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore LX Levers Shimano Deore LX V-Brake Brakes
Hubs for disc brakes	Rear: Shimano Alivio and silent Clutch Front: Shimano Alivio
Rims manufacturer	36-hole Sun Rims CRT16 II
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Butted True Temper Tandem Chromoly
Frame type	TIG-welded
Handlebar construction	Dirt Research 140g Aluminum
Handlebar extender	Dirt Research
Handlebar stem details	Girvin Flexstem
Headset size	1 1/4 (inches) YST

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	68 (millimeters) Threadless and 73 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Eccentric Shimano BB-LP26
Crankset parts and sizes	24/34/42 Teeth Shimano Alivio
Gear shift levers	Shimano STXAlivio MC-37 RapidFire SL
Rear gear set	11 - 30 Teeth 7-speed

Dirt Research Echo Canyon Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano Alivio
Fork material	Butted Unicrown Crown Tange Tandem Chromoly
Fork type	Tange Super Size Tandem

Other Specs of Dirt Research Echo Canyon

Component group sets	Shimano Alivio
Pedals details	Dirt Research Aluminum
Rear shock absorber	Not Available
Saddle seat	Dirt Research Racing
Seat post extension	29.8 (millimeters) Diameter Dirt Research

Schwinn Sierra Tandem

General Infos

Model	Sierra Tandem
Manufacturer	Schwinn
Year of production	2006
Current price	Check price Here ==>
Color choice	-Dark Silver Metallic and Deep Forrest Green
Sizes	- XSW / M - 14 / 18 (inches) - MW / L - 16 / 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.90 (inches) Auto Pilot
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Aluminum Levers Hayes MX-2 Mechanical Disc Brakes
Hubs for disc brakes	Quando Aluminum Disc
Rims manufacturer	32-hole WTB SpeedDisc XC
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	N'Litened Gold Aluminum
Frame type	TIG-welded
Handlebar construction	Hi-tensile Steel
Handlebar extender	Not Available
Handlebar stem details	Aluminum Adjustable
Headset size	1 1/8 (inches) Threadless FPD

Gearing Specifications

Bicycle chain	Shimano CN-IG51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Truvativ Cartridge
Crankset parts and sizes	28/38/48 Teeth Truvativ 5D F
Gear shift levers	SRAM ESP 4.0
Rear gear set	11 - 32 Teeth 8-speed

Schwinn Sierra Tandem Fork System Data

Derailleur (Front)	Bottom Pull and clamp On 34.9 (millimeters) SR and Suntour FD-CR38
Derailleur (Rear)	SRAM ESP 4.0
Fork material	Single Crown Aluminum
Fork type	100 (millimeters) Travel RST Gila Plus T6.

Other Specs of Schwinn Sierra Tandem

Component group sets	Not Available
Pedals details	Nylon
Rear shock absorber	Not Available
Saddle seat	Schwinn Super Soft
Seat post extension	31.6 (millimeters) Diameter Aluminum Micro-adjust and aluminum Suspension