Specialized HARDROCK DISC 2009 VS Schwinn SIERRA SL 2001 specs comparison

Specialized Hardrock Disc

General Infos

Model	Hardrock Disc
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	- Gloss Green - Satin Black -Gloss Burgundy
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Specialized Fast Trak LK Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 Levers Tektro IOX Disc With 6 (inches) Rotor Brakes
Hubs for disc brakes	Specialized Forged Alloy
Rims manufacturer	32-hole Specialized HRD SW
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Hi-Ten Low Riser
Handlebar extender	Optional
Handlebar stem details	Specialized Forged Alloy
Headset size	1 1/8 (inches) Specialized Loose Ball

Gearing Specifications

Bicycle chain	KMC Z7
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	122.5 (millimeters) Spindle FSA BB-7420
Crankset parts and sizes	24/34/42 Teeth Shimano FC-M191 With Chainguard
Gear shift levers	Shimano EF-50
Rear gear set	14 - 34 Teeth 7-speed

Specialized Hardrock Disc Fork System Data

Derailleur (Front)	Shimano C050
Derailleur (Rear)	Shimano Altus
Fork material	Single Crown Hi-tensile Steel and alloy
Fork type	80 (millimeters) Travel SR Suntour SF8-XCT-V2

Other Specs of Specialized Hardrock Disc

Component group sets	Shimano Mix
Pedals details	Plastic Body Steel Cage
Rear shock absorber	Not Available
Saddle seat	Specialized XC Body Geometry
Seat post extension	30.9 (millimeters) Diameter Micro Adjust Specialized Alloy Two Bolt

Schwinn Sierra SL

General Infos

Model	Sierra SL
Manufacturer	Schwinn
Year of production	2001
Current price	Check price Here ==>
Color choice	-Elecroplate Silver with Deep Forest Green
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) IRC Fiesterra
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Linear-pull Levers Tektro Linear-pull Brakes
Hubs for disc brakes	Aluminum
Rims manufacturer	36-hole Aluminum
Spoke nipples type	Not Available
Spoke wheel	Stainless Steel

Frame and Body Specs

Frame materials	Aluminum
Frame type	TIG-welded
Handlebar construction	Comfort Rise
Handlebar extender	Optional
Handlebar stem details	Comfort Adjustable Rise
Headset size	Tioga 1/18 (inches) Sealed

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/44 Teeth TruVativ 5D
Gear shift levers	SRAM ESP 5.0
Rear gear set	11 - 34 Teeth 8-speed

Schwinn Sierra SL Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	SRAM 7.0
Fork material	Triple-clamp Crown Aluminum
Fork type	Rock Shox Jett C

Other Specs of Schwinn Sierra SL

Component group sets	Mountain Mix
Pedals details	Dual Density Platform
Rear shock absorber	Schwinn Easy Ride
Saddle seat	Schwinn Comfort
Seat post extension	Schwinn Glide Along Suspension