Trek TR-20 1999 VS GT EL CENTRO 2011 specs comparison

Trek TR-20

General Infos

Model	TR-20
Manufacturer	Trek
Year of production	1999
Current price	Check price Here ==>
Color choice	- Mellow Gold and Crimson -Chrome and Lemon
Sizes	- Professional size
Sizes	- Professional size

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.75 (inches) Bontrager Revolt ST-2 Front: 20 X 2.10 (inches) Bontrager Revolt ST-2
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Chang Star 281DT Levers Chang Star VB-911 DK Brakes
Hubs for disc brakes	Formula
Rims manufacturer	36-hole Bontrager Mack
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge

Frame and Body Specs

Frame materials	Chromoly and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Chromoly
Handlebar extender	Not Available
Handlebar stem details	Alloy Ahead Type
Headset size	1 1/8 (inches) Threadless Aheadset SE-1

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) Taya TB-410
Bottom bracket shell width	American
Bottom bracket type	One Piece
Crankset parts and sizes	1-piece Steel
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Trek TR-20 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Not Available
Fork type	Trek

Other Specs of Trek TR-20

Component group sets	Not Available
Pedals details	Alloy Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager FS Plus 10
Seat post extension	25.4 (millimeters) Diameter Steel

GT El Centro

General Infos

Model	El Centro
Manufacturer	GT
Year of production	2011
Current price	Check price Here ==>
Color choice	- clay -Nickel
Sizes	- Not available

Wheels And Breaking System

Bike front tire	20 X 2.1 (inches) Kenda Ko-Rolla
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Unavailable Front and Xposure Rear Levers Unavailable Front and Xposure Rear Brakes
Hubs for disc brakes	Rear: GT Alloy Front: GT Aluminum
Rims manufacturer	36-hole Alienation PBR
Spoke nipples type	Brass
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	CroMo
Frame type	Steel
Handlebar construction	GT Pro Steel
Handlebar extender	Optional
Handlebar stem details	Xposure
Headset size	1 1/8 (inches) Integrated

Gearing Specifications

Bicycle chain	KMC Z510H
Bottom bracket shell width	Not Available
Bottom bracket type	Mid Size Sealed Bearings
Crankset parts and sizes	8t Teeth GT Heat Treated Cr-Mo
Gear shift levers	Not Available
Rear gear set	9 teeth c

GT El Centro Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Steel
Fork type	GT Dirt and Street

Other Specs of GT El Centro

Component group sets	BMX Mix
Pedals details	GT Dirt and Street Platform
Rear shock absorber	Not Available
Saddle seat	Pivotal Street Design
Seat post extension	Pivotal Alloy