K2 MAINTIME EXPERT 2003 VS GT BUMP 2006 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 Bump

General Infos

Model	Bump
Manufacturer	GT
Year of production	2006
Current price	Check price Here ==>
Color choice	- Pink -RootBeer Brown
Sizes	- 20 wheel (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) GT LP-IV Front: 26 X 2.20 (inches) GT-1453
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	274A 907AD Tektro Aluminum Levers Dual Anchor Bolts Forged Aluminum U-brake Rear Brakes Alloy Side-pull Caliper Front and Tektro
Hubs for disc brakes	14 (millimeters) Cr-Mo Axle 3/8 (inches) Cr-Mo Axle 36 H 36 Ho Rear: '05 GT Branded Aluminum Body Aluminum Body Sealed Mech. Bearings Sealed Mech. Bearins Front: '05 GT Branded
Rims manufacturer	30 (millimeters) Width 36 Hole 36-hole Aluminum Alex G22
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge

Frame and Body Specs

Frame materials	3-tube Chromoly
Frame type	TIG-welded
Handlebar construction	7 (inches) Rise Cr-mo GT Dirt and street Bend
Handlebar extender	Not Available
Handlebar stem details	Cold Forged Aluminum GT Johnson III Design
Headset size	Extra Deep Cup Engagement 1 1/8 (inches) Tange Seiki FATTY 22

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	Ball Type Steel
Crankset parts and sizes	36 Teeth GT Tubular Cr-Mo 3pc
Gear shift levers	Not Available
Rear gear set	13 Teeth 1-speed

GT Bump Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Chromoly
Fork type	'05 GT Dirt Jump Design

Other Specs of GT Bump

Component group sets	BMX
Pedals details	Aluminum Body Cr-mo Alxe '05 GT Dirt and Street Platform Design
Rear shock absorber	Not Available
Saddle seat	9 (millimeters) Rails GT (inches)Star 19 (inches) Two Piece Design
Seat post extension	Aluminum Double Bolt Micro Adjust