Diamondback JOKER 2004 VS GT BUMP 1999 specs comparison

Diamondback Joker

General Infos

Model	Joker
Manufacturer	Diamondback
Year of production	2004
Current price	Check price Here ==>
Color choice	- Stealth Grey -Black OPS
Sizes	- Pro
Sizes	- Pro

Wheels And Breaking System

Bike front tire	20 X 1.95 (inches) DB L-Train II
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Aluminum Rear Levers Tektro 907A Alloy U-brake Rear Brakes
Hubs for disc brakes	14 (millimeters) 3/8 Rear: Steel Front: Steel
Rims manufacturer	48-hole Alex C303
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	DB 4 Pc Park Bars
Handlebar extender	Not Available
Handlebar stem details	DB D-day Alloy
Headset size	1 1/8 (inches) Threadless OS Threadless

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC Z410
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Splined Loose Ball
Crankset parts and sizes	39 Teeth 3-piece Chromoly 175 (millimeters)
Gear shift levers	Not Available
Rear gear set	14 Teeth 1-speed

Diamondback Joker Fork System Data

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

Other Specs of Diamondback Joker

Component group sets	Not Available
Pedals details	Aluminum Platform
Rear shock absorber	Not Available
Saddle seat	DB Padded
Seat post extension	25.4 (millimeters) Diameter Aluminum

GT Bump

General Infos

Model	Bump
Manufacturer	GT
Year of production	1999
Current price	Check price Here ==>
Color choice	- Khaki -Atomic Blue
Sizes	- Not available

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.75 (inches) Powerlite Retro-Tread Front: 20 X 2.125 (inches) Powerlite Retro-Tread
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Dia-Compe MX-97 Rear Levers Dia-Compe 990 Rear Brakes
Hubs for disc brakes	GT Mohawk
Rims manufacturer	48-hole Weinmann ZAC-X
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Steel

Frame and Body Specs

Frame materials	Chromoly
Frame type	Welded
Handlebar construction	GT
Handlebar extender	Not Available
Handlebar stem details	GT Piston
Headset size	1 1/8 (inches) Threadless Aheadset SX-1

Gearing Specifications

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

GT Bump Fork System Data

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

Other Specs of GT Bump

Component group sets	Not Available
Pedals details	GT Aluminum Platform
Rear shock absorber	Not Available
Saddle seat	GT
Seat post extension	31.8 (millimeters) Diameter GT Chromoly Micro-adjust