GT MACH ONE EXPERT 2008 VS DK OPSIS 2009 specs comparison

GT Mach One Expert

General Infos

Model	Mach One Expert
Manufacturer	GT
Year of production	2008
Current price	Check price Here ==>
Color choice	- Red -Silver
Sizes	- Standard size for everyone
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	20 (inches) GT Brody Knob
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 317A Rear Levers Unavailable Front and Tektro Alloy V-brake & Coaster Rear Brakes
Hubs for disc brakes	Rear: Steel Coaster Front: Steel
Rims manufacturer	36-hole Alloy
Spoke nipples type	Brass
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	Not Available
Frame type	TIG-welded
Handlebar construction	GT BMX
Handlebar extender	Optional
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) VP-A74F HD

Gearing Specifications

Bicycle chain	KMC Z-410
Bottom bracket shell width	Not Available
Bottom bracket type	Ball Type Steel
Crankset parts and sizes	GT Forged Steel 1pc.
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

GT Mach One Expert Fork System Data

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

Other Specs of GT Mach One Expert

Component group sets	BMX
Pedals details	Resin Jr. BMX Design
Rear shock absorber	Not Available
Saddle seat	GT Jr. BMX
Seat post extension	Steel

DK Opsis

General Infos

Model	Opsis
Manufacturer	DK
Year of production	2009
Current price	Check price Here ==>
Color choice	- Silver Metallic -Apple Green Metallic
Sizes	- 19 TT (inches)

Wheels And Breaking System

Bike front tire	20 (inches) Kenda
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Unavailable Rear Levers Tektro Alloy U-brake Brakes
Hubs for disc brakes	Rear: Free Coaster 10 (millimeters) Axle Front: 10 (millimeters) Axle
Rims manufacturer	Alienation PBR
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	4130 Chromoly Mainframe
Frame type	TIG-welded
Handlebar construction	DK Flatland Specific 2-pc
Handlebar extender	Optional
Handlebar stem details	Alloy Front Load 40 (millimeters)
Headset size	1 1/8 (inches) Cane Creek Integrated

Gearing Specifications

Bicycle chain	KMC
Bottom bracket shell width	Not Available
Bottom bracket type	Mid Sealed BB
Crankset parts and sizes	28 Teeth 3 Piece Tubular Chromoly
Gear shift levers	Not Available
Rear gear set	14 Teeth 1-speed

DK Opsis Fork System Data

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

Other Specs of DK Opsis

Component group sets	BMX
Pedals details	Plastic Platform
Rear shock absorber	Not Available
Saddle seat	Plastic Flatland With 7 (millimeters) Rails
Seat post extension	25.4 (millimeters) Diameter Alloy Pillar