GT MACH ONE EXPERT 2009 VS Robinson JUNIOR 1995 specs comparison

GT Mach One Expert

General Infos

Model	Mach One Expert
Manufacturer	GT
Year of production	2009
Current price	🛒 View Price →
Color choice	- Black -Royal
Sizes	- 18 TT (inches)
Sizes	- 18 TT (inches)

Wheels And Breaking System

Bike front tire	20 X 1.75 (inches) GT Wing Design
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 317A Rear Levers Coast Brake and Alloy Linear Pull Rear Brakes
Hubs for disc brakes	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 Hi-ten
Handlebar extender	Optional
Handlebar stem details	GT Aluminum
Headset size	1 1/8 (inches) VP A74F HD

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	Steel
Crankset parts and sizes	36 Teeth Forged One-piece
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	Jr Resin Platform
Rear shock absorber	Not Available
Saddle seat	GT BMX Pro Lite
Seat post extension	25.4 (millimeters) Diameter Steel

Robinson Junior

General Infos

Model	Junior
Manufacturer	Robinson
Year of production	1995
Current price	🛒 View Price →
Color choice	-Chrome-plated
Sizes	- Boys

Wheels And Breaking System

Bike front tire	20 X 1 1/8 (inches) GT AA Pro
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Dia-Compe MX-122 Jr Levers Dia-Compe 500NR Brakes
Hubs for disc brakes	GT Alloy
Rims manufacturer	28-hole Sun Metal MP-13
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Steel

Frame and Body Specs

Frame materials	4130 chromoly c
Frame type	TIG-welded Steel
Handlebar construction	Robinson Jr. Alloy
Handlebar extender	Not Available
Handlebar stem details	GT Mini Alloy
Headset size	1 (inches) Tioga Beartrap II

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	42 Teeth Sugino GT
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Robinson Junior Fork System Data

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

Other Specs of Robinson Junior

Component group sets	Not Available
Pedals details	GT Alloy
Rear shock absorber	Not Available
Saddle seat	One-piece Nylon
Seat post extension	22.2 (millimeters) Diameter Composite Integral To Saddle