Giant ATX 870 1997 VS Specialized ROCKHOPPER PRO 29ER 2011 specs comparison

Giant ATX 870

General Infos

Model	ATX 870
Manufacturer	Giant
Year of production	1997
Current price	Check price Here ==>
Color choice	- green kandy -Ball burnished and blue slate fade
Sizes	- 14.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches) - 23.5 (inches)
Sizes	- 14.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches) - 23.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Tioga Psycho TT Kevlar Front: 26 X 1.95 (inches) Tioga Edge Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore LX Levers Shimano Deore LX V-Brake Brakes
Hubs for disc brakes	Rear: Shimano STX-RC Front: Shimano STX-RC Suspension
Rims manufacturer	32-hole Rigida Norma
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Butted Giant CU92 Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Optional
Handlebar stem details	Direct Connect Aluminum
Headset size	1 1/8 (inches) Threadless Dia-Compe Aheadset TA-3

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-20
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110.5 (millimeters) Spindle Shimano BB-UN52
Crankset parts and sizes	22/34/42 Teeth Shimano STX-RC
Gear shift levers	Shimano STX-RC RapidFire SL
Rear gear set	11 - 28 Teeth 8-speed

Giant ATX 870 Fork System Data

Derailleur (Front)	Top-pull and clamp-on 35.0 (millimeters) Shimano Deore LX Top-swing
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Indy XC

Other Specs of Giant ATX 870

Component group sets	Shimano Deore LX and STX-RC
Pedals details	Giant EXT-Comp Aluminum With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Tecno Dynamica
Seat post extension	30.8 (millimeters) Diameter Kalloy SP-243

Specialized Rockhopper Pro 29er

General Infos

Model	Rockhopper Pro 29er
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	-Wht and Blk
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.0 (inches) Specialized The Captain Control
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid Juicy 3 SL Levers Avid Juicy 3 SL Brakes
Hubs for disc brakes	Rear: Forged Alloy Mid Flange Front: Forged Alloy Hi and low Flange
Rims manufacturer	32-hole and 36-hole DT Swiss 485
Spoke nipples type	Not Available
Spoke wheel	14ga. Butted Stainless

Frame and Body Specs

Frame materials	Specialized M4SL Alloy
Frame type	TIG-welded
Handlebar construction	Butted Alloy Risebar
Handlebar extender	Optional
Handlebar stem details	3D Forged Alloy
Headset size	1 1/8 (inches) Threadless Campy Spec Integrated Sealed Cartridge Bearing

Gearing Specifications

Bicycle chain	KMC X9
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB ES25 Octalink
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M521
Gear shift levers	Shimano SL-M590 Deore Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Pro 29er Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Shimano Deore
Derailleur (Rear)	Shimano SLX
Fork material	Single Crown Alloy Steerer
Fork type	RockShox Recon Silver 29 SL

Other Specs of Specialized Rockhopper Pro 29er

Component group sets	Mountain Mix
Pedals details	Alloy
Rear shock absorber	Not Available
Saddle seat	Specialized Rockhopper XC
Seat post extension	30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust