Dirt Research ECHO CANYON 1997 VS Burley ROCK N ROLL 1993 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

Burley Rock n Roll

General Infos

Model	Rock n Roll
Manufacturer	Burley
Year of production	1993
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 18.5/16.5 - 20/18 - 22/20

Wheels And Breaking System

Bike front tire	26 X 1.40 (inches) Specialized Nimbus
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	XCE Levers Brakes Levers Dia-Compe 984 Cantilevers
Hubs for disc brakes	Suzue Sealed Tech
Rims manufacturer	36-hole Sun Metal CR20
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	True Temper OS 4130 Chrome-moly
Frame type	TIG-welded Steel
Handlebar construction	True Temper ATB 22 (inches) 6061 Light Alloy
Handlebar extender	Not Available
Handlebar stem details	Fr: Chrome-moly Burley O and S Rr: Chrome-moly
Headset size	Not Available

Gearing Specifications

Bicycle chain	DID Super Shift
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/44/54 Teeth Sugino GP110 Tandem
Gear shift levers	Suntour XCE Thumbshifters
Rear gear set	13 - 28 Teeth 7-speed

Burley Rock n Roll Fork System Data

Derailleur (Front)	Suntour XCE
Derailleur (Rear)	Suntour XCE
Fork material	Not Available
Fork type	True Temper and Burley Unicrown OS

Other Specs of Burley Rock n Roll

Component group sets	Suntour XCE
Pedals details	Cateye Clips and straps MKS Alloy MTE
Rear shock absorber	Not Available
Saddle seat	Vetta Lite Gel
Seat post extension	Kalloy Alloy 250 (millimeters)