Dirtmaster BIG BERTHA 1999 VS Torker TFX 1997 specs comparison

Dirtmaster Big Bertha

General Infos

Model	Big Bertha
Manufacturer	Dirtmaster
Year of production	1999
Current price	Check price Here ==>
Color choice	- Chrome-Plated - Red - Yellow -Black
Sizes	- Pro XL
Sizes	- Pro XL

Wheels And Breaking System

Bike front tire	20 X 2.25 (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	Joy Tech Jy A085SBT
Rims manufacturer	48-hole Alex Supra
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 Hoochie
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	44 Teeth 1-piece Chromoly 180 (millimeters)
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Dirtmaster Big Bertha Fork System Data

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

Other Specs of Dirtmaster Big Bertha

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

Torker TFX

General Infos

Model	TFX
Manufacturer	Torker
Year of production	1997
Current price	Check price Here ==>
Color choice	- chrome-plated and purple -Chrome-plated and blue
Sizes	- Boys

Wheels And Breaking System

Bike front tire	20 X 1.95 (inches) Freestyle
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Aluminum Levers Aluminum Side-pull Calipers Brakes
Hubs for disc brakes	Aluminum Nutted
Rims manufacturer	48-hole Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Steel
Handlebar extender	Not Available
Handlebar stem details	Steel and aluminum
Headset size	1 (inches) Steel With Odyssey Gyro

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC 410
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	One Piece
Crankset parts and sizes	44 Teeth 1-piece Steel
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Torker TFX Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Torker

Other Specs of Torker TFX

Component group sets	Not Available
Pedals details	Aluminum Platform
Rear shock absorber	Not Available
Saddle seat	Torker Plastic
Seat post extension	Steel Pillar