K2 MAINTIME 1999 VS Premium DUO 2010 specs comparison

K2 Maintime

General Infos

Model	Maintime
Manufacturer	K2
Year of production	1999
Current price	Check price Here ==>
Color choice	- Polished -Blackish Blue
Sizes	- Large - medium - small - way big
Sizes	- Large - medium - small - way big

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.75 (inches) Tioga Comp III Front: 20 X 2.125 (inches) Tioga Comp III
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 318A Rear Levers Tektro 912A Rear Brakes
Hubs for disc brakes	Rear: King Kong KK-560RHB Front: King Kong KK-560FHB
Rims manufacturer	Sun Rims Rhyno Lite
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge UCP

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	Leadtec LCH-664
Handlebar extender	Not Available
Handlebar stem details	Hsin Lung MX-423 Alloy
Headset size	1 1/8 (inches) Threadless Cane Creek SX

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z-30 H
Bottom bracket shell width	Not Available
Bottom bracket type	YST BB 621
Crankset parts and sizes	44 Teeth Jia Maw JM98 Heat Treated Chromoly
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

K2 Maintime Fork System Data

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

Other Specs of K2 Maintime

Component group sets	Not Available
Pedals details	Wellgo LU-987
Rear shock absorber	Not Available
Saddle seat	Viscount 2964
Seat post extension	26.8 (millimeters) Diameter Aluminum Micro-adjust

Premium Duo

General Infos

Model	Duo
Manufacturer	Premium
Year of production	2010
Current price	Check price Here ==>
Color choice	- Gloss Bronze -SG Black
Sizes	- 20.5TT (inches) - 21TT (inches)

Wheels And Breaking System

Bike front tire	Rear: 20 X 2.00 (inches) Haro Premuim Street Front: 20 X 2.25 (inches) Haro Premium Street
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Unavailable Rear Levers Unavailable Rear Brakes
Hubs for disc brakes	Rear: Alloy Sealed Cassette 14 (millimeters) Axle Front: Alloy Sealed 3/8 (inches)
Rims manufacturer	36-hole Rear: Alienation Black Sheep DW Front: Alienation PBR
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Chromoly
Frame type	TIG-welded
Handlebar construction	Premium CrMo 8 (inches)
Handlebar extender	Optional
Handlebar stem details	Not Available
Headset size	1 1/8 (inches) Threadless Integrated

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Mid BB Sealed Bearings
Crankset parts and sizes	25 Teeth Haro 8-Spline CrMO
Gear shift levers	Not Available
Rear gear set	9 Teeth 1-speed

Premium Duo Fork System Data

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

Other Specs of Premium Duo

Component group sets	BMX
Pedals details	Odyssey Plastic
Rear shock absorber	Not Available
Saddle seat	Premium Slim Pivotal
Seat post extension	Pivotal