GT MACH ONE PRO 2005 VS Robinson JR. 1997 specs comparison

GT Mach One Pro

General Infos

Model	Mach One Pro
Manufacturer	GT
Year of production	2005
Current price	Check price Here ==>
Color choice	- Chrome -Gloss Black
Sizes	- Pro
Sizes	- Pro

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.75 (inches) GT Brody Knob Front: 20 X 2.125 (inches) GT Brody Knob
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro Aluminum Rear
Hubs for disc brakes	GT Mohawk
Rims manufacturer	Jalco ST-32
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge

Frame and Body Specs

Frame materials	Chromoly Down Tube and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Hi-tensile Steel
Handlebar extender	Not Available
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Threadless VP-A74F HD Steel

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	Sealed
Crankset parts and sizes	42 Teeth GT Forged
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

GT Mach One Pro Fork System Data

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

Other Specs of GT Mach One Pro

Component group sets	Not Available
Pedals details	Aluminum Platform
Rear shock absorber	Not Available
Saddle seat	GT BMX Pro Lite
Seat post extension	25.4 (millimeters) Diameter Aluminum Micro-adjust

Robinson Jr.

General Infos

Model	Jr.
Manufacturer	Robinson
Year of production	1997
Current price	Check price Here ==>
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