Trek JACK 1 2007 VS Kona BLAST 2010 specs comparison

Trek Jack 1

General Infos

Model	Jack 1
Manufacturer	Trek
Year of production	2007
Current price	Check price Here ==>
Color choice	-Gloss Navy
Sizes	- 13 (inches) - 15 (inches) - 17 (inches)
Sizes	- 13 (inches) - 15 (inches) - 17 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.40 (inches) Bontrager Earl
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 Levers Tektro V Brakes
Hubs for disc brakes	Shimano M-475 Disc
Rims manufacturer	Bontrager Camino
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Earl
Handlebar extender	Optional
Handlebar stem details	Bontrager Earl
Headset size	Semi-cartridge Aheadset

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/44 Teeth Shimano M-341
Gear shift levers	Shimano EF-50
Rear gear set	11 - 32 Teeth 8-speed

Trek Jack 1 Fork System Data

Derailleur (Front)	Shimano C-050
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown Aluminum and steel
Fork type	100 (millimeters) Travel RST Gila T7

Other Specs of Trek Jack 1

Component group sets	Shimano Mix
Pedals details	Alloy Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager Earl Jump
Seat post extension	Bontrager Sport

Kona Blast

General Infos

Model	Blast
Manufacturer	Kona
Year of production	2010
Current price	Check price Here ==>
Color choice	-Black and Teal
Sizes	- 14 (inches) - 16 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Kenda Komodo
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Auriga Comp Hydraulic Levers Tektro Auriga Comp Hydraulic Disc With 7 (inches) Rotor Front and tektro Auriga Comp Hydraulic Disc With 6 (inches) Rotor Rear Brakes
Hubs for disc brakes	Rear: Shimano M475 Disc Front: Formula Disc
Rims manufacturer	Alex ACE-18
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	Kona All Mountain Butted Aluminum
Frame type	TIG-welded
Handlebar construction	Kona XC and BC Riser
Handlebar extender	Optional
Handlebar stem details	Kona XC and BC
Headset size	1 1/8 (inches) Threadless TH

Gearing Specifications

Bicycle chain	KMC HG40
Bottom bracket shell width	73 (millimeters)
Bottom bracket type	FSA Powerdrive
Crankset parts and sizes	42/32/22 Teeth FSA Alpha Drive
Gear shift levers	Shimano Acera
Rear gear set	11 - 32 Teeth 8-speed

Kona Blast Fork System Data

Derailleur (Front)	31.8 (millimeters) Clamp Shimano Acera
Derailleur (Rear)	Shimano Deore
Fork material	Single Crown Aluminum and steel
Fork type	100 (millimeters) Travel RockShox Dart 2 With Turnkey

Other Specs of Kona Blast

Component group sets	Mountain Mix
Pedals details	Wellgo LU-A9
Rear shock absorber	Not Available
Saddle seat	WTB Speed V Sport SE
Seat post extension	Kona Thumb