Hoffman PRO FLASH 2001 VS GT BUMP 2009 specs comparison

Hoffman Pro Flash

General Infos

Model	Pro Flash
Manufacturer	Hoffman
Year of production	2001
Current price	Check price Here ==>
Color choice	-Orange
Sizes	- Pro - Pro XL
Sizes	- Pro - Pro XL

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	Dia-Compe MX-2 Rear Levers Dia-Compe MX-2 Rear Brakes
Hubs for disc brakes	Aluminum
Rims manufacturer	36-hole Hoffman BIkes (inches)High Roller (inches) Rim CP
Spoke nipples type	Not Available
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	4130 chromoly c
Frame type	TIG-welded
Handlebar construction	HoffmanBikes Racing
Handlebar extender	Not Available
Handlebar stem details	Hoffman Bikes SuperStem
Headset size	1 1/8 (inches) Threadless DIa-Compe SB

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC 410
Bottom bracket shell width	Not Available
Bottom bracket type	Sealed Three Piece
Crankset parts and sizes	44 Teeth Primo 2-piece
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Hoffman Pro Flash Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	4130 chromoly c
Fork type	Hoffman Bikes Flash

Other Specs of Hoffman Pro Flash

Component group sets	Not Available
Pedals details	Wellgo LU-313
Rear shock absorber	Not Available
Saddle seat	Hoffman Bikes Logo
Seat post extension	25.4 (millimeters) Diameter Aluminum

GT Bump

General Infos

Model	Bump
Manufacturer	GT
Year of production	2009
Current price	Check price Here ==>
Color choice	- Purple -Light Green
Sizes	- 21.1 TT (inches)

Wheels And Breaking System

Bike front tire	Rear: 20 X 2.10 (inches) Kenda Kiniption Front: 20 X 2.125 (inches) Kenda K-Rad
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 274A Rear Levers Tektro 907A U-brake Rear Brakes
Hubs for disc brakes	Rear: GT Sealed Cassette Front: GT Aluminum Sealed
Rims manufacturer	32-hole and 36-hole Alienation PBR
Spoke nipples type	Brass
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	Chromoly Main Triangle
Frame type	TIG-welded
Handlebar construction	GT Dirt and street Cr-mo
Handlebar extender	Optional
Handlebar stem details	GT FS Design
Headset size	1 1/8 (inches) Tange Seiki Fatty 22

Gearing Specifications

Bicycle chain	KMC Z510
Bottom bracket shell width	Not Available
Bottom bracket type	Mid BB
Crankset parts and sizes	33 Teeth GT Tubular Cr-Mo 3pc.
Gear shift levers	Not Available
Rear gear set	12 Teeth 1-speed

GT Bump Fork System Data

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

Other Specs of GT Bump

Component group sets	BMX
Pedals details	GT Dirt and Street Platform
Rear shock absorber	Not Available
Saddle seat	GT Slim
Seat post extension	Aluminum Micro-adjust Double Bolt