GT PRO PERFORMER 2000 VS Dirtmaster FLATTY 1999 specs comparison

GT Pro Performer

General Infos

Model	Pro Performer
Manufacturer	GT
Year of production	2000
Current price	Check price Here ==>
Color choice	- Hot Rod Blue - Metallic Solar -Chrome-Plated
Sizes	- Not available
Sizes	- Not available

Wheels And Breaking System

Bike front tire	20 X 1.95 (inches) GT Air Bags
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Chang Star Freestyle Levers Tektro U-brake Brakes
Hubs for disc brakes	GT Mohawk
Rims manufacturer	48-hole Weinmann ZAC-X
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters)

Frame and Body Specs

Frame materials	Chromoly Main Triangle and hi-tensile Steel Rear Stays
Frame type	TIG-welded
Handlebar construction	GT Freestyle
Handlebar extender	Optional
Handlebar stem details	GT Piston
Headset size	1 1/8 (inches) Threadless Aheadset With SST Oryg Detangler

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC
Bottom bracket shell width	Not Available
Bottom bracket type	Steel
Crankset parts and sizes	43 Teeth GT 1-piece Steel
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

GT Pro Performer Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Chromoly
Fork type	GT

Other Specs of GT Pro Performer

Component group sets	Not Available
Pedals details	GT Aluminum Platform
Rear shock absorber	Not Available
Saddle seat	GT
Seat post extension	26.0 (millimeters) Diameter GT Chromoly Micro-adjust

Dirtmaster Flatty

General Infos

Model	Flatty
Manufacturer	Dirtmaster
Year of production	1999
Current price	Check price Here ==>
Color choice	- Red - Yellow -Black
Sizes	- Pro

Wheels And Breaking System

Bike front tire	20 X 1.95 (inches) Kenda K-841
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Dia-Compe Tech 99 Levers Dia-Compe 990 Brakes
Hubs for disc brakes	Rear: Kung Ten 350 Freecoaster Front: Kung Ten 350
Rims manufacturer	48-hole Alex DM-24W
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Da-Sen Stainless Steel

Frame and Body Specs

Frame materials	4130 chromoly c
Frame type	TIG-welded
Handlebar construction	Dirtmaster Margarita Bar
Handlebar extender	Not Available
Handlebar stem details	Odyssey Bang
Headset size	1 1/8 (inches) Threadless Aheadset SE-1 F and S With Odyssey Gyro Detangler

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC 410H
Bottom bracket shell width	American 24tpi
Bottom bracket type	YST BB 621
Crankset parts and sizes	40 Teeth 1-piece Chromoly 180 (millimeters)
Gear shift levers	Not Available
Rear gear set	14 Teeth 1-speed

Dirtmaster Flatty Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown 4130 Chromoly
Fork type	Dirtmaster Flat Fork

Other Specs of Dirtmaster Flatty

Component group sets	Not Available
Pedals details	Wellgo LU-313U
Rear shock absorber	Not Available
Saddle seat	Team Products Embroidered
Seat post extension	25.4 (millimeters) Diameter Primo Rod