Trek 3900 2005 VS Rocky Mountain THIN AIR 1999 specs comparison

Trek 3900

General Infos

Model	3900
Manufacturer	Trek
Year of production	2005
Current price	Check price Here ==>
Color choice	- Black -Yellow and Blue
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - womens 13 (inches) - womens 16 (inches)
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - womens 13 (inches) - womens 16 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Bontrager Connection Trail
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Levers Tektro Aluminum Brakes
Hubs for disc brakes	Q and R Rear: Shimano FH-RM30 Front: Aluminum
Rims manufacturer	Matrix 550
Spoke nipples type	Not Available
Spoke wheel	Stainless Steel

Frame and Body Specs

Frame materials	Alpha Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager
Handlebar extender	Optional
Handlebar stem details	Bontrager
Headset size	Not Available

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	24/34/42 Teeth SR
Gear shift levers	Shimano ST-EF29
Rear gear set	11 - 32 Teeth 8-speed

Trek 3900 Fork System Data

Derailleur (Front)	Shimano FD-C050
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown Aluminum
Fork type	70 (millimeters) InSync Grind 1

Other Specs of Trek 3900

Component group sets	Mountain Mix
Pedals details	Nylon
Rear shock absorber	Not Available
Saddle seat	Bontrager Sport
Seat post extension	Bontrager

Rocky Mountain Thin Air

General Infos

Model	Thin Air
Manufacturer	Rocky Mountain
Year of production	1999
Current price	Check price Here ==>
Color choice	-Sable Black and Magic Yellow
Sizes	- 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Geax Grid 200 Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT Levers Avid SD-25 Brakes
Hubs for disc brakes	Shimano Deore XT
Rims manufacturer	32-hole Sun Rims Sub 4
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double-butted DT Competition Stainless Steel

Frame and Body Specs

Frame materials	Easton Ultralite
Frame type	TIG-welded
Handlebar construction	Race Face Air Alloy
Handlebar extender	Optional
Handlebar stem details	Race Face SyStem
Headset size	1 1/8 (inches) Threadless Ritchey Fuzzy Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG72
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano Cartridge
Crankset parts and sizes	22/32/44 Teeth Race Face Turbine LP
Gear shift levers	Shimano Deore XT RapidFire SL
Rear gear set	11 - 32 Teeth 9-speed

Rocky Mountain Thin Air Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Deore XT Top-swing
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Aluminum
Fork type	3.3 (inches) Travel Marzocchi Bomber Z-2 BAM

Other Specs of Rocky Mountain Thin Air

Component group sets	Mountain Mix
Pedals details	RMB Expert XC Clipless
Rear shock absorber	Not Available
Saddle seat	Kelvar SDG 7000
Seat post extension	26.8 (millimeters) Diameter Race Face XY