GT REBOUND 1999 VS Trek 3900 2010 specs comparison

GT Rebound

General Infos

Model	Rebound
Manufacturer	GT
Year of production	1999
Current price	Check price Here ==>
Color choice	- Solar Citrus -Matte Pewter
Sizes	- 12.5 (inches) - 14.5 (inches) - 16 (inches) - 18 (inches) - 20 (inches)
Sizes	- 12.5 (inches) - 14.5 (inches) - 16 (inches) - 18 (inches) - 20 (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	Lee Chi GL-78 Pewter Finish Levers ProMax Linear-pull Brakes
Hubs for disc brakes	Rear: Shimano Alivio Front: GT Suspension Q and R
Rims manufacturer	32-hole Weinmann Zac 19
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Butted 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Flat Alloy
Handlebar extender	Optional
Handlebar stem details	Alloy Ahead Type
Headset size	1 1/8 (inches) Threadless Aheadset STS

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano IG
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano Cartridge
Crankset parts and sizes	22/32/42 Teeth Shimano AceraX
Gear shift levers	Shimano Alivio RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

GT Rebound Fork System Data

Derailleur (Front)	Shimano AceraX Top-swing
Derailleur (Rear)	Shimano Alivio
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	1.8 (inches) Travel Rock Shox Jett C

Other Specs of GT Rebound

Component group sets	Mountain Mix
Pedals details	Resin Body and steel Cage With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	SDG Comp
Seat post extension	Aluminum Micro-adjust

Trek 3900

General Infos

Model	3900
Manufacturer	Trek
Year of production	2010
Current price	Check price Here ==>
Color choice	- Matte Orange -Matte Black
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 LT-3
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 Levers Tektro V-brake Brakes
Hubs for disc brakes	Formula FM-31 Alloy
Rims manufacturer	Bontrager 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 Riser
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless VP-A68-TK

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	42/34/24 Teeth Shimano M191
Gear shift levers	Shimano EF-50
Rear gear set	11 - 32 Teeth 8-speed

Trek 3900 Fork System Data

Derailleur (Front)	Shimano C051
Derailleur (Rear)	Shimano M-360
Fork material	Single Crown
Fork type	100 (millimeters) Travel SR Suntour SF9 XCT V2

Other Specs of Trek 3900

Component group sets	Mountain Mix
Pedals details	Wellgo Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager SSR
Seat post extension	31.6 (millimeters) Diameter Bontrager SSR