Mirraco UNDERBOSS 2008 VS GT FLY 2011 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 Fly

General Infos

Model	Fly
Manufacturer	GT
Year of production	2011
Current price	Check price Here ==>
Color choice	- purple -Neon red
Sizes	- Not available

Wheels And Breaking System

Bike front tire	Rear: 20 X 2.1 (inches) Kenda Ko-Rolla Front: 20 X 2.125 (inches) Kenda K-Rad
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Unavailable Front and Tektro XL320 Rear Levers Unavailable Front and Tektro FX340R Rear Brakes
Hubs for disc brakes	Rear: GT Alloy Front: Steel
Rims manufacturer	32-hole and 36-hole Alex G303
Spoke nipples type	Brass
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	CroMo
Frame type	Steel
Handlebar construction	GT Dirt and street Cr-mo
Handlebar extender	Optional
Handlebar stem details	GT Freestyle Drop
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC Z510
Bottom bracket shell width	Not Available
Bottom bracket type	Sealed Bearing
Crankset parts and sizes	25t Teeth CroMO 3 Piece
Gear shift levers	Not Available
Rear gear set	9 teeth c

GT Fly Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Steel
Fork type	Cromo

Other Specs of GT Fly

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