GT MACH 1 JR. 2004 VS Felt BASE 18.5 2009 specs comparison

GT Mach 1 Jr.

General Infos

Model	Mach 1 Jr.
Manufacturer	GT
Year of production	2004
Current price	Check price Here ==>
Color choice	-Blue
Sizes	- Junior
Sizes	- Junior

Wheels And Breaking System

Bike front tire	16 X 2.125 (inches) BMX Knobby
Bike rear tire	Not Available
Bike wheel size	16 (inches) Wheels
Brakeset type	Coaster Brake Rear
Hubs for disc brakes	Rear: Steel Coaster Brake Nutted Front: Steel
Rims manufacturer	28-hole Steel
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	GT BMX
Handlebar extender	Not Available
Handlebar stem details	Aluminum
Headset size	Threaded 1 (inches) Steel

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC Z410
Bottom bracket shell width	American
Bottom bracket type	Not Available
Crankset parts and sizes	36 Teeth Steel One-piece
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

GT Mach 1 Jr. Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	GT

Other Specs of GT Mach 1 Jr.

Component group sets	Not Available
Pedals details	BMX
Rear shock absorber	Not Available
Saddle seat	GT Jr. BMX
Seat post extension	22.2 (millimeters) Diameter Chromoly

Felt Base 18.5

General Infos

Model	Base 18.5
Manufacturer	Felt
Year of production	2009
Current price	Check price Here ==>
Color choice	- Forest Green -Pitch Black
Sizes	- 18.5 TT (inches)

Wheels And Breaking System

Bike front tire	Rear: 20 X 2.00 (inches) FELT Slip-Not Front: 20 X 2.25 (inches) FELT Slip-Not
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro Alloy Levers Tektro Alloy U-brake Brakes
Hubs for disc brakes	Steel 14 (millimeters) Axle
Rims manufacturer	36-hole and 48-hole Alex 303
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	High Tensile Steel
Frame type	TIG-welded
Handlebar construction	Felt Wheelie Bar
Handlebar extender	Optional
Handlebar stem details	Front Load Alloy
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	Loose Ball
Crankset parts and sizes	38 Teeth Felt 3-piece 8-spline Chromoly
Gear shift levers	Not Available
Rear gear set	14 Teeth 1-speed

Felt Base 18.5 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown High-tensile Steel
Fork type	Not Available

Other Specs of Felt Base 18.5

Component group sets	BMX
Pedals details	Felt Backpedal 2 Alloy
Rear shock absorber	Not Available
Saddle seat	7 (millimeters) Rails Felt FB 1-Pc Cover
Seat post extension	25.4 (millimeters) Diameter Steel