Porsche BIKE EVOLUTION 1998 VS Rocky Mountain ALTITUDE 70 2009 specs comparison

Porsche Bike Evolution

General Infos

Model	Bike Evolution
Manufacturer	Porsche
Year of production	1998
Current price	Check price Here ==>
Color choice	-Yellow
Sizes	- 17 (inches) - 20 (inches)
Sizes	- 17 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Michelin Wild Gripper Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Hope Hydraulic Levers Hope Hydraulic Disc Brakes
Hubs for disc brakes	Spengle
Rims manufacturer	Spengle 3-spoke Mag
Spoke nipples type	Not Available
Spoke wheel	Molded Carbon Fiber

Frame and Body Specs

Frame materials	SAE 7020 Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Aluminum
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Threadless Aluminum

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-M90
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle KSS Titan
Crankset parts and sizes	22/32/42 Teeth Carbon Fiber
Gear shift levers	Sachs Power Grip Extreme
Rear gear set	11 - 30 Teeth 8-speed

Porsche Bike Evolution Fork System Data

Derailleur (Front)	Top-pull and clamp-on 35.0 (millimeters) Sachs Plasma
Derailleur (Rear)	Sachs Plasma
Fork material	Double Triple-clamp Crown Aluminum and carbon Fiber
Fork type	Votec Inverted

Other Specs of Porsche Bike Evolution

Component group sets	Sachs Quarz
Pedals details	Wellgo Clipless
Rear shock absorber	Risse Astro
Saddle seat	Selle Italia Flite
Seat post extension	31.8 (millimeters) Diameter Carbon Fiber

Rocky Mountain Altitude 70

General Infos

Model	Altitude 70
Manufacturer	Rocky Mountain
Year of production	2009
Current price	Check price Here ==>
Color choice	-Red
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	26 (inches) WTB Wolverine
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano XT Hydraulic Levers Shimano XT Disc Brakes
Hubs for disc brakes	15 (millimeters) Thru Axle Rear: Shimano XT Disc Front: Shimano XT
Rims manufacturer	Mavic XC717 Disc
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Competition

Frame and Body Specs

Frame materials	RMB FORM 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Race Face Atlas AM 31.8
Handlebar extender	Optional
Handlebar stem details	Race Face Deus SL XC Ti Bolts
Headset size	1 1/8 (inches) FSA Orbit MX

Gearing Specifications

Bicycle chain	Shimano HG73
Bottom bracket shell width	Not Available
Bottom bracket type	Race Face Next X-Type
Crankset parts and sizes	22/32/44 Teeth Race Face Deus X-Type
Gear shift levers	Shimano XT Rapid Fire
Rear gear set	11 - 34 Teeth 9-speed

Rocky Mountain Altitude 70 Fork System Data

Derailleur (Front)	Shimano XT
Derailleur (Rear)	Shimano XTR Shadow
Fork material	Single Crown Magnesium and aluminum
Fork type	140 (millimeters) Travel Fox 32 Float RL

Other Specs of Rocky Mountain Altitude 70

Component group sets	Shimano XT
Pedals details	Crank Brothers Candy
Rear shock absorber	140 (millimeters) Travel Fox Float RP23
Saddle seat	Fi'zi:k Nisene
Seat post extension	30.9 (millimeters) Diameter Race Face Deus XC