Giant BOULDER 2009 VS Specialized ROCKHOPPER PRO DISC ALL MOUNTAIN 2006 specs comparison

Giant Boulder

General Infos

Model	Boulder
Manufacturer	Giant
Year of production	2009
Current price	Check price Here ==>
Color choice	- Black and White -Silver
Sizes	- 12.5 (inches) - 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches)
Sizes	- 12.5 (inches) - 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	26 (inches) Kenda K-Rad Or MTB Trail
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 EZ Fire Integrated Levers Alloy Direct Pull Brakes
Hubs for disc brakes	Alloy
Rims manufacturer	36-hole Alloy
Spoke nipples type	Not Available
Spoke wheel	Stainless

Frame and Body Specs

Frame materials	Steel
Frame type	TIG-welded
Handlebar construction	Steel Riser
Handlebar extender	Optional
Handlebar stem details	Alloy
Headset size	1 1/8" c

Gearing Specifications

Bicycle chain	KMC Z51
Bottom bracket shell width	Not Available
Bottom bracket type	SR Suntour Cartridge
Crankset parts and sizes	28/38/48 Teeth SR Suntour XCC T-208
Gear shift levers	Shimano EF-50 EZ Fire Integrated
Rear gear set	14 - 34 Teeth 7-speed

Giant Boulder Fork System Data

Derailleur (Front)	Shimano C102
Derailleur (Rear)	Shimano Altus
Fork material	Single
Fork type	80 (millimeters) Travel Spinner Grind 1

Other Specs of Giant Boulder

Component group sets	Shimano Mix
Pedals details	Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Giant Sport MTB Or DJ
Seat post extension	30.9 (millimeters) Diameter Alloy

Specialized Rockhopper Pro Disc All Mountain

General Infos

Model	Rockhopper Pro Disc All Mountain
Manufacturer	Specialized
Year of production	2006
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	Wire Bead 26 X 2.30 (inches) Specialized Enduro
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	6” Rotor Brakes Avid FR-5 Two Finger Alloy “V” Levers Levers Avid BB5 Mechanical Disc
Hubs for disc brakes	Rear: Shimano M-475 Disc Alloy Q and R Alloy Q and R Loose Ball Bearings Loose Ball Bearings Front: Specialized Disc
Rims manufacturer	36-hole Disc SUN SingleTrack
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	45 (millimeters) Rise Alloy 31.8 (millimeters)
Handlebar extender	Optional
Handlebar stem details	3d Forged Alloy 5 Degree Rise Truvativ XR
Headset size	Black Steel Cups Loose Ball Bearings With Seals 1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	Shimano CN-HG53
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	118 (millimeters) Spindle TruVativ Power Spline
Crankset parts and sizes	Poly Bash Guard With 32t Heat Treated Cr-Mo X 22t Heat Treated Cr-Mo PowerSpline Forged 6066 Alloy Repla Teeth Truvativ Blaze
Gear shift levers	Shimano M-510 Deore SL
Rear gear set	11 - 34 Teeth 8-speed

Specialized Rockhopper Pro Disc All Mountain Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Bottom Pull Shimano Deore
Derailleur (Rear)	Shimano M-570 LX
Fork material	Single Crown Magnesium and aluminum and steel
Fork type	130 (millimeters) Marzocchi Drop OFF Comp

Other Specs of Specialized Rockhopper Pro Disc All Mountain

Component group sets	Mountain Mix
Pedals details	9/16” Cr-mo Spindle Alloy Platform
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Sport MTB
Seat post extension	30.9 (millimeters) Diameter Alloy Micro Adjust