Rocky Mountain VAPOR 1999 VS Trek 3900 DISC 2009 specs comparison

Rocky Mountain Vapor

General Infos

Model	Vapor
Manufacturer	Rocky Mountain
Year of production	1999
Current price	Check price Here ==>
Color choice	-Ice Blue
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches)
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Michelin X Sport 66 Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Linear-pull Levers Aluminum Linear-pull Brakes
Hubs for disc brakes	Shimano STX-RC
Rims manufacturer	32-hole Sun Rims CR18
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Champion Stainless Steel

Frame and Body Specs

Frame materials	Easton Elite
Frame type	TIG-welded
Handlebar construction	Rise Aluminum
Handlebar extender	Optional
Handlebar stem details	Forged Alloy
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano Cartridge
Crankset parts and sizes	22/32/42 Teeth Shimano Alivio
Gear shift levers	Shimano STX-RC RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

Rocky Mountain Vapor Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano STX-RC Top-swing
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Triple-clamp Crown Aluminum
Fork type	2.75 (inches) Travel Marzocchi Bomber Z-5

Other Specs of Rocky Mountain Vapor

Component group sets	Mountain Mix
Pedals details	Aluminum With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Selle Italia Nitrox PD
Seat post extension	26.8 (millimeters) Diameter Aluminum Micro-adjust

Trek 3900 Disc

General Infos

Model	3900 Disc
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	-Matte Khaki
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (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 EF-50 EZ Fire Integrated Levers ProMax Mechanical Disc Brakes
Hubs for disc brakes	Rear: Shimano M-475 Disc Front: Alloy
Rims manufacturer	Matrix 550
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha White Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Approved
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless VP A76C-TK

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	24/34/42 Teeth SR Suntour XCC T102
Gear shift levers	Shimano EF-50 EZ Fire Integrated
Rear gear set	11 - 32 Teeth 8-speed

Trek 3900 Disc Fork System Data

Derailleur (Front)	Shimano C050
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown
Fork type	80 (millimeters) Travel SR Suntour XCT V2

Other Specs of Trek 3900 Disc

Component group sets	Shimano Mix
Pedals details	Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager Approved
Seat post extension	Bontrager SSR