GT FLY 2011 VS Robinson JR. 1997 specs comparison

GT Fly

General Infos

Model	Fly
Manufacturer	GT
Year of production	2011
Current price	🛒 View Price →
Color choice	- purple -Neon red
Sizes	- Not available
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

Robinson Jr.

General Infos

Model	Jr.
Manufacturer	Robinson
Year of production	1997
Current price	🛒 View Price →
Color choice	-Ball burnished
Sizes	- Boys

Wheels And Breaking System

Bike front tire	20 X 1 1/8 (inches) GT AA Pro Kevlar
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Dia-Compe MX-122 Jr. Levers Dia-Compe Aluminum Side-pull Caliper Rear Brakes
Hubs for disc brakes	GT Mohawk
Rims manufacturer	36-hole Araya
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Steel

Frame and Body Specs

Frame materials	Aluminum
Frame type	TIG-welded
Handlebar construction	Robinson Aluminum
Handlebar extender	Not Available
Handlebar stem details	GT Aluminum
Headset size	1 (inches) Threadless Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC 410
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Not Available
Crankset parts and sizes	39 Teeth 3-piece Aluminum
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Robinson Jr. Fork System Data

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

Other Specs of Robinson Jr.

Component group sets	Not Available
Pedals details	GT Aluminum Platforms
Rear shock absorber	Not Available
Saddle seat	GT Plastic
Seat post extension	Aluminum Pillar