EPX SPEEDSTER 2003 VS GT ZUM 4.0 2006 specs comparison

EPX Speedster

General Infos

Model	Speedster
Manufacturer	EPX
Year of production	2003
Current price	🛒 View Price →
Color choice	-Carbon Fiber and Black
Sizes	- 18 (inches)
Sizes	- 18 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Schwalbe Black Shark SX
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Magura Louise Hydraulic Disc Levers Magura Louise Hydraulic Disc Brakes
Hubs for disc brakes	Rear: Rohloff Speed Hub Front: Magura Pro
Rims manufacturer	32-hole Mavic X317 Disc
Spoke nipples type	Brass Nipples
Spoke wheel	Stainless Steel

Frame and Body Specs

Frame materials	Carbon Fiber Composite
Frame type	Bonded and monocoque
Handlebar construction	ITM Millennium
Handlebar extender	Optional
Handlebar stem details	ITM Millennium
Headset size	1 1/8 (inches) Threadless WTB Grease Guard Comp

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG73
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB-ES70
Crankset parts and sizes	42 Teeth Cyclone
Gear shift levers	Rohloff
Rear gear set	14-speed Internal

EPX Speedster Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Single Crown Aluminum and magnesium
Fork type	Magura Quake C-75

Other Specs of EPX Speedster

Component group sets	Co (millimeters)uter Mix
Pedals details	Shimano PD-M323 SPD
Rear shock absorber	Integrated Elastomer
Saddle seat	Selle San Marco
Seat post extension	27.2 (millimeters) Diameter ITM Millenium

GT ZuM 4.0

General Infos

Model	ZuM 4.0
Manufacturer	GT
Year of production	2006
Current price	🛒 View Price →
Color choice	-Light Silver
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	26 X 1.25 (inches) Tioga City Slicker
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	110 (millimeters) Arms 70 (millimeters) DIN Pads Brakes Shimano ST-EF29 Levers Tektro Linear Pull
Hubs for disc brakes	Rear: Alloy QR Casette Hub Front: Alloy QR Hub
Rims manufacturer	Double Wall Alloy Rims With CNC Type Sidewall
Spoke nipples type	Brass CP
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	GT Triple Triangle 6061 Custom Tube-set
Frame type	TIG-welded
Handlebar construction	Butted 6061 Heat Treated Aluminum GT Riser Bar
Handlebar extender	Not Available
Handlebar stem details	Threadless 25 Degree Rise With 4 Bolt Alum Face Plate GT ATB
Headset size	FSA Integrated

Gearing Specifications

Bicycle chain	Shimano
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge Sealed
Crankset parts and sizes	22/32/44 Teeth Suntour XCT-252
Gear shift levers	Shimano ST-EF29
Rear gear set	11 - 32 Teeth 8-speed

GT ZuM 4.0 Fork System Data

Derailleur (Front)	Shimano Acera
Derailleur (Rear)	Shimano Acera
Fork material	Steel and aluminum and magnesium
Fork type	50 (millimeters) SR NRX-6000

Other Specs of GT ZuM 4.0

Component group sets	Co (millimeters)uter Mix
Pedals details	High Impact Nylon Platform
Rear shock absorber	Not Available
Saddle seat	WTB Speed V
Seat post extension	GT Aluminum 6061