Ross MT. JEFFERSON (01) 1997 VS Dirt Research PECOS (02) 1997 specs comparison

Ross Mt. Jefferson (01)

General Infos

Model	Mt. Jefferson (01)
Manufacturer	Ross
Year of production	1997
Current price	Check price Here ==>
Color choice	- blue - purple -Black
Sizes	- 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches) - 24 (inches) - 26 (inches) - womens 16 (inches) - womens 19 (inches)
Sizes	- 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches) - 24 (inches) - 26 (inches) - womens 16 (inches) - womens 19 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Super East 101
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	APSE Levers Steel Cantilever Brakes
Hubs for disc brakes	Nutted Steel
Rims manufacturer	36-hole Rigida AS-26
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Richman Stainless Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	MIG-welded
Handlebar construction	Hsin Lung Steel
Handlebar extender	Optional
Handlebar stem details	Hsin Lung Steel
Headset size	1 (inches) YST 8002

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC UG-50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	122.5 (millimeters) Spindle YST BB 621
Crankset parts and sizes	28/38/48 Teeth Cotterless Steel
Gear shift levers	Shimano Tourney TY-15 Top-mount
Rear gear set	14 - 28 Teeth 6-speed

Ross Mt. Jefferson (01) Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Tourney TY-15
Derailleur (Rear)	Shimano Tourney TY-15
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Ross

Other Specs of Ross Mt. Jefferson (01)

Component group sets	Shimano Tourney TY-15
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Selle Master VL-252
Seat post extension	25.4 (millimeters) Diameter Steel Pillar

Dirt Research Pecos (02)

General Infos

Model	Pecos (02)
Manufacturer	Dirt Research
Year of production	1997
Current price	Check price Here ==>
Color choice	- jewel green - lite titanium -Currant red
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches) - 24 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) WTB VelociRaptor
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	Shimano Deore LX
Rims manufacturer	32-hole Sun Rims CR17A
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Columbus Thron
Frame type	TIG-welded
Handlebar construction	Dirt Research 140g Aluminum
Handlebar extender	Dirt Research
Handlebar stem details	Dirt Research
Headset size	1 1/8 (inches) Threadless Tioga AL2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG70
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-UN52
Crankset parts and sizes	22/32/42 Teeth Shimano Deore LX
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

Dirt Research Pecos (02) Fork System Data

Derailleur (Front)	Top-pull and clamp-on 28.6 (millimeters) Shimano Deore LX Top-swing
Derailleur (Rear)	Shimano Deore LX GS
Fork material	Butted Unicrown Crown Tange Chromoly
Fork type	Dirt Research

Other Specs of Dirt Research Pecos (02)

Component group sets	Shimano Deore LX
Pedals details	Dirt Research Aluminum
Rear shock absorber	Not Available
Saddle seat	Dirt Research Racing
Seat post extension	27.0 (millimeters) Diameter Dirt Research