GT BUMP 2011 VS Robinson DEFENDER 2000 specs comparison

GT Bump

General Infos

Model	Bump
Manufacturer	GT
Year of production	2011
Current price	Check price Here ==>
Color choice	- matte green -White
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 273A Rear Levers Unavailable Front and Tektro FX340R Rear Brakes
Hubs for disc brakes	Rear: GT Alloy Front: GT Aluminum
Rims manufacturer	32-hole and 36-hole Alienation PBR
Spoke nipples type	Brass
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	CroMo
Frame type	Steel
Handlebar construction	GT Pro Steel
Handlebar extender	Optional
Handlebar stem details	GT Freestyle Drop
Headset size	1 1/8 (inches) Integrated

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 Bump Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Steel
Fork type	Cromo

Other Specs of GT Bump

Component group sets	BMX Mix
Pedals details	GT Dirt and Street Platform
Rear shock absorber	Not Available
Saddle seat	Pivotal Street Design
Seat post extension	25.4 (millimeters) Diameter Pivotal

Robinson Defender

General Infos

Model	Defender
Manufacturer	Robinson
Year of production	2000
Current price	Check price Here ==>
Color choice	-Graphite
Sizes	- Pro

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.75 (inches) Tioga Comp III Front: 20 X 2.125 (inches) Tioga Comp III
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro Linear-pull Rear Levers Tektro Linear-pull Rear Brakes
Hubs for disc brakes	GT Mohawk
Rims manufacturer	36-hole Weinmann ZAC-X
Spoke nipples type	Not Available
Spoke wheel	Straight Gauge

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Robinson Expert
Handlebar extender	Optional
Handlebar stem details	Robinson Alloy
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	American
Bottom bracket type	One Piece
Crankset parts and sizes	44 Teeth GT 1-piece Chromoly
Gear shift levers	Not Available
Rear gear set	Not Available

Robinson Defender Fork System Data

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

Other Specs of Robinson Defender

Component group sets	Not Available
Pedals details	Aluminum Platform
Rear shock absorber	Not Available
Saddle seat	SDG Slim Jim
Seat post extension	Not Available