GT BUMP 2011 VS Wheeler EXPERT 1997 specs comparison

GT Bump

General Infos

Model	Bump
Manufacturer	GT
Year of production	2011
Current price	🛒 View Price →
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

Wheeler Expert

General Infos

Model	Expert
Manufacturer	Wheeler
Year of production	1997
Current price	🛒 View Price →
Color choice	-Chrome-plated
Sizes	- Boys 11 (inches)

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.75 (inches) Kenda K-805 Front: 20 X 2.10 (inches) Kenda K-827
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro RBP-286A Levers Aluminum Side-pull Calipers Brakes
Hubs for disc brakes	Rear: Kung Ten 563RN Front: Kung Ten 563FN
Rims manufacturer	36-hole Teny TA-8
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Ta Sen Steel

Frame and Body Specs

Frame materials	Chromoly
Frame type	TIG-welded
Handlebar construction	Meng Jing HB-212
Handlebar extender	Not Available
Handlebar stem details	Kalloy Aluminum
Headset size	1 (inches) Victor VP-H755

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC 410
Bottom bracket shell width	68 (millimeters) Threadless
Bottom bracket type	Victor VPB-35
Crankset parts and sizes	44 Teeth 1-piece Steel
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Wheeler Expert Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown 4130 Chromoly
Fork type	Wheeler

Other Specs of Wheeler Expert

Component group sets	Not Available
Pedals details	Wellgo LU-313
Rear shock absorber	Not Available
Saddle seat	BMX Drop-nose Style
Seat post extension	22.2 (millimeters) Diameter Steel Pillar