Gunnar ROCK HOUND/XT 1999 VS Trek 3900 2009 specs comparison

Gunnar Rock Hound/XT

General Infos

Model	Rock Hound/XT
Manufacturer	Gunnar
Year of production	1999
Current price	Check price Here ==>
Color choice	-Navy Blue
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches)
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.90 (inches) IRC Mythos XC Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT Levers Shimano Deore XT V-Brake Brakes
Hubs for disc brakes	Shimano Deore XT
Rims manufacturer	32-hole Mavic X517
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Double-butted Wheelsmith XL Stainless Steel

Frame and Body Specs

Frame materials	Reynolds 853
Frame type	TIG-welded
Handlebar construction	Kore Lite
Handlebar extender	Optional
Handlebar stem details	Kore Lite 3
Headset size	1 1/8 (inches) Threadless Cane Creek

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG72
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano Deore XT
Crankset parts and sizes	22/32/42 Teeth Shimano Deore XT
Gear shift levers	Shimano Deore XT RapidFire SL
Rear gear set	Optional Of Gearing 9-speed

Gunnar Rock Hound/XT Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Deore XT Top-swing
Derailleur (Rear)	Shimano Deore XT GS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	3.15 (inches) Travel Rock Shox Judy SL

Other Specs of Gunnar Rock Hound/XT

Component group sets	Shimano Deore XT
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Chromoly Rails Bontrager
Seat post extension	27.0 (millimeters) Diameter Kore Lite II

Trek 3900

General Infos

Model	3900
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	- Matte Blue and Brushed Silver -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 Tektro V-brake Brakes
Hubs for disc brakes	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	28/38/48 Teeth SR Suntour XCC T-208
Gear shift levers	Shimano EF-50 EZ Fire Integrated
Rear gear set	13 - 34 Teeth 7-speed

Trek 3900 Fork System Data

Derailleur (Front)	Shimano C051
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown
Fork type	80 (millimeters) Travel SR Suntour M-2025

Other Specs of Trek 3900

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