GT Bicycles BUMP 2012 VS Auburn JR-20RX 1995 specs comparison

GT Bicycles Bump

General Infos

Model	Bump
Manufacturer	GT Bicycles
Year of production	2012
Current price	🛒 View Price →
Color choice	- Satin White -Satin Black
Sizes	- Standard size for all
Sizes	- Standard size for all

Wheels And Breaking System

Bike front tire	GT Dirt 2.125
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Tektro FX340R
Hubs for disc brakes	GT Alloy Sealed 32h GT Alloy Sealed Cassette 36h
Rims manufacturer	Unavailable Wheelset
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Straight Guage Cro-Mo
Frame type	Not Available
Handlebar construction	GT Freestyle
Handlebar extender	Not Available
Handlebar stem details	GT Freestyle
Headset size	FDP Integrated

Gearing Specifications

Bicycle chain	KMC Z510
Bottom bracket shell width	Not Available
Bottom bracket type	Sealed Mid
Crankset parts and sizes	GT 3-pc Cro-Mo 175 (millimeters) 25t
Gear shift levers	Unavailable Shifters
Rear gear set	Not Available

GT Bicycles Bump Fork System Data

Derailleur (Front)	Unavailable Front Derailleur
Derailleur (Rear)	Unavailable Rear Derailleur
Fork material	Not Available
Fork type	GT Cro-Mo

Other Specs of GT Bicycles Bump

Component group sets	Not Available
Pedals details	GT Pro Plastic
Rear shock absorber	Unavailable Rear Shock
Saddle seat	GT Dirt Unified
Seat post extension	GT Unified

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