GT MACH ONE EXPERT 2011 VS Auburn JR-20RX 1995 specs comparison

GT Mach One Expert

General Infos

Model	Mach One Expert
Manufacturer	GT
Year of production	2011
Current price	🛒 View Price →
Color choice	- black -Silver
Sizes	- Not available
Sizes	- Not available

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	Unavailable Front and Tektro 317A Rear Levers Unavailable Front and Tektro Alloy V-brake Rear Brakes
Hubs for disc brakes	Rear: Coaster Brake Front: Steel
Rims manufacturer	36-hole Alloy
Spoke nipples type	Brass
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	Hi Ten
Frame type	Steel
Handlebar construction	GT BMX
Handlebar extender	Optional
Handlebar stem details	Gt Race
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	Steel
Crankset parts and sizes	36T Teeth Forged 1 Piece
Gear shift levers	Not Available
Rear gear set	16 teeth c

GT Mach One Expert Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Not Available
Fork type	GT BMX

Other Specs of GT Mach One Expert

Component group sets	BMX Mix
Pedals details	Resin Jr. BMX Design
Rear shock absorber	Not Available
Saddle seat	GT BMX Padded Race
Seat post extension	25.4 (millimeters) Diameter Steel

Auburn JR-20RX

General Infos

Model	JR-20RX
Manufacturer	Auburn
Year of production	1995
Current price	🛒 View Price →
Color choice	-Blue anodized
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	6061 T6 Aluminum
Frame type	Welded Aluminum
Handlebar construction	GT BMX Mini
Handlebar extender	Not Available
Handlebar stem details	GT Mini Alloy
Headset size	1 (inches) GT Pro Series

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

Auburn JR-20RX Fork System Data

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

Other Specs of Auburn JR-20RX

Component group sets	Not Available
Pedals details	GT Alloy
Rear shock absorber	Not Available
Saddle seat	One-piece Nylon
Seat post extension	20.6 (millimeters) Diameter Composite Integral To Saddle