K2 MAINTIME EXPERT 2003 VS GT AIR 2009 specs comparison

K2 Maintime Expert

General Infos

Model	Maintime Expert
Manufacturer	K2
Year of production	2003
Current price	Check price Here ==>
Color choice	-Matte Dark Blue
Sizes	- Professional size
Sizes	- Professional size

Wheels And Breaking System

Bike front tire	20 X 1.85 (inches) Tioga Comp III
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 316A Rear Levers Tektro 924 Linear Pull Rear Brakes
Hubs for disc brakes	K2 Ben Hur
Rims manufacturer	36-hole K2 K-True High-Side
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	Bonded
Handlebar construction	K2 Expert Moto
Handlebar extender	Optional
Handlebar stem details	K2 Expert Race
Headset size	1 (inches) Cane Creek SB-1

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC Z610HX
Bottom bracket shell width	American
Bottom bracket type	Cartridge
Crankset parts and sizes	44 Teeth 3-piece Aluminum
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

K2 Maintime Expert Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Chromoly
Fork type	K2

Other Specs of K2 Maintime Expert

Component group sets	Not Available
Pedals details	Chromoly Axle K2 Alloy
Rear shock absorber	Not Available
Saddle seat	K2 Maintime Race
Seat post extension	27.2 (millimeters) Diameter Aluminum Micro-adjust

GT Air

General Infos

Model	Air
Manufacturer	GT
Year of production	2009
Current price	Check price Here ==>
Color choice	-White
Sizes	- 19.5 TT (inches)

Wheels And Breaking System

Bike front tire	20 X 2.10 (inches) GT Air Bags
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 289A Levers Tektro 907 U-brake Brakes
Hubs for disc brakes	Rear: Sealed Mech Freewheel Front: Sealed Mech
Rims manufacturer	Mags
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	High Tensile Steel
Frame type	TIG-welded
Handlebar construction	GT Dirt and street Hi-Ten
Handlebar extender	Optional
Handlebar stem details	GT Freestyle Aluminum
Headset size	1 1/8 (inches) TH

Gearing Specifications

Bicycle chain	KMC Z510
Bottom bracket shell width	Not Available
Bottom bracket type	Steel
Crankset parts and sizes	42 Teeth Steel One Piece
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

GT Air Fork System Data

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

Other Specs of GT Air

Component group sets	BMX
Pedals details	Resin GT Jump Design
Rear shock absorber	Not Available
Saddle seat	GT Freestyle
Seat post extension	25.4 (millimeters) Diameter Steel