Trek SCRATCH AIR 8 2010 VS Klein KARMA 1998 specs comparison

Trek Scratch Air 8

General Infos

Model	Scratch Air 8
Manufacturer	Trek
Year of production	2010
Current price	Check price Here ==>
Color choice	-Matte Titanium
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.35 (inches) Bontrager FR-4
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Elixer R Carbon Hydraulic Levers Avid Elixer R Carbon Disc Brakes
Hubs for disc brakes	Bontrager Cousin Earl Elite Disc
Rims manufacturer	Tubeless Ready Bontrager Cousin Earl Elite
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha Red Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Big Earl
Handlebar extender	Optional
Handlebar stem details	Bontrager Rhythm
Headset size	1 1/8 (inches) - 1 1/2 (inches) FSA No. 57E

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	44/32/22 Teeth Shimano Deore XT
Gear shift levers	Shimano Deore XT
Rear gear set	11 - 34 Teeth 9-speed

Trek Scratch Air 8 Fork System Data

Derailleur (Front)	Direct Mount Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT Shadow
Fork material	Single Crown Crown Alloy
Fork type	160 (millimeters) Travel Fox 36 Talas R With 20 (millimeters) QR Thru Axle

Other Specs of Trek Scratch Air 8

Component group sets	Mountain Mix
Pedals details	Not Available
Rear shock absorber	170 (millimeters) Travel Fox DHX Air 4.0
Saddle seat	Bontrager Rhythm
Seat post extension	31.6 (millimeters) Diameter Crank Brothers Joplin With Remote

Klein Karma

General Infos

Model	Karma
Manufacturer	Klein
Year of production	1998
Current price	Check price Here ==>
Color choice	-Graphite Pearl with Mango swingarm
Sizes	- Large - medium - small

Wheels And Breaking System

Bike front tire	Rear: 26 X 46/50 (inches) Bontrager Jones Front: 26 X 2.10 (inches) Bontrager Jones
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe DP-7N Levers Dia-Compe VC-737 Brakes
Hubs for disc brakes	Shimano STX-RC
Rims manufacturer	32-hole Rear: Bontrager Maverick Asym Front: Bontrager Maverick
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Klein Aluminum Power Tubing
Frame type	TIG-welded
Handlebar construction	System 1
Handlebar extender	Optional
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Threadless Aheadset Kontak ST-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs PC-41
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Shimano BB-LP27E
Crankset parts and sizes	20/32/42 Teeth Sugino Impel 300
Gear shift levers	Grip Shift SRT-6.0
Rear gear set	11 - 30 Teeth 8-speed

Klein Karma Fork System Data

Derailleur (Front)	Top-pull Shimano STX Top-swing
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Answer Manitou Spyder R

Other Specs of Klein Karma

Component group sets	Mountain Mix
Pedals details	Resin With Clips & Straps
Rear shock absorber	4.0 (inches) Travel Klein BASF
Saddle seat	Bontrager FS Plus 10
Seat post extension	31.6 (millimeters) Diameter Aluminum Micro-adjust