Mirraco UNDERBOSS 2008 VS GT COMPE 2009 specs comparison

Mirraco UnderBoss

General Infos

Model	UnderBoss
Manufacturer	Mirraco
Year of production	2008
Current price	Check price Here ==>
Color choice	- Deep Blue -Steel Gray
Sizes	- Standard size for everyone
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.95 (inches) CST Dirt Front: 20 X 2.125 (inches) CST Dirt
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 289 Rear Levers Tektro U-brake Rear Brakes
Hubs for disc brakes	Rear: Coaster Brake Front: 3/8 (inches) Axle
Rims manufacturer	36-hole Alex C-303
Spoke nipples type	Not Available
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	Chromoly
Frame type	TIG-welded
Handlebar construction	Mirraco 2-piece
Handlebar extender	Optional
Handlebar stem details	M3 Alloy
Headset size	1 1/8 (inches) VP A-71

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	American
Crankset parts and sizes	38 Teeth 152 (millimeters) 1-piece
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Mirraco UnderBoss Fork System Data

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

Other Specs of Mirraco UnderBoss

Component group sets	BMX
Pedals details	Wellgo Resin
Rear shock absorber	Not Available
Saddle seat	M3 8 (millimeters) Rails
Seat post extension	25.4 (millimeters) Diameter Steel

GT Compe

General Infos

Model	Compe
Manufacturer	GT
Year of production	2009
Current price	Check price Here ==>
Color choice	- Gray and Oatmeal -Green and White
Sizes	- 20 TT (inches)

Wheels And Breaking System

Bike front tire	20 X 2.10 (inches) Kenda Kiniption
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 299A Levers Tektro 907 U-brake Brakes
Hubs for disc brakes	Steel 14 (millimeters) Axle
Rims manufacturer	48-hole Alex G303
Spoke nipples type	Brass
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	Chromoly Downtube
Frame type	TIG-welded
Handlebar construction	GT Dirt and street Hi-Ten
Handlebar extender	Optional
Handlebar stem details	GT FS Design
Headset size	1 1/8 (inches) Tange Seiki Fatty 22

Gearing Specifications

Bicycle chain	KMC Z510
Bottom bracket shell width	Not Available
Bottom bracket type	Mid BB
Crankset parts and sizes	33 Teeth GT Tubular Cr-Mo 3pc.
Gear shift levers	Not Available
Rear gear set	13 Teeth 1-speed

GT Compe Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Hi-tensile Steel and chromoly Steerer
Fork type	GT Freestyle

Other Specs of GT Compe

Component group sets	BMX
Pedals details	GT Dirt and Street Platform
Rear shock absorber	Not Available
Saddle seat	Velo Mini Street
Seat post extension	25.4 (millimeters) Diameter Aluminum