AMP Research B-4 ALL COUNTRY XTR 2000 VS Rotec PRO DOWNHILL 1998 specs comparison

AMP Research B-4 All Country XTR

General Infos

Model	B-4 All Country XTR
Manufacturer	AMP Research
Year of production	2000
Current price	Check price Here ==>
Color choice	- Red -Polished
Sizes	- Large - medium - small - xsmall
Sizes	- Large - medium - small - xsmall

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Specialized Team Master Front: 26 X 2.00 (inches) Specialized Team Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano XTR Levers AMP D-1 Hydraulic Disc Brakes
Hubs for disc brakes	Rear: Shimano Deore XT Front: AMP Research D-1
Rims manufacturer	32-hole Sun Rims CR18
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Alcoa 6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	1.5 (inches) Rise Aluminum
Handlebar extender	Not Available
Handlebar stem details	Alloy
Headset size	1 1/8 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-7700
Bottom bracket shell width	American
Bottom bracket type	112.5 (millimeters) Spindle Shimano BB-M952
Crankset parts and sizes	26/36/48 Teeth Shimano XTR M952
Gear shift levers	Shimano XTR RapidFire SL
Rear gear set	12 - 34 Teeth 9-speed

AMP Research B-4 All Country XTR Fork System Data

Derailleur (Front)	Bottom-pull Clamp-on 1 3/8 (inches) Shimano XTR
Derailleur (Rear)	Shimano XTR
Fork material	Linkage Crown Aluminum
Fork type	2.5 (inches) Travel AMP Research F-3 XC

Other Specs of AMP Research B-4 All Country XTR

Component group sets	Shimano XTR
Pedals details	Alloy Platform
Rear shock absorber	3.0 (inches) Travel AMP Research
Saddle seat	Specialized
Seat post extension	31.6 (millimeters) Diameter Alloy

Rotec Pro Downhill

General Infos

Model	Pro Downhill
Manufacturer	Rotec
Year of production	1998
Current price	Check price Here ==>
Color choice	-Black and red and yellow fade
Sizes	- Rider can adjust manually

Wheels And Breaking System

Bike front tire	26 X 2.20 (inches) Michelin Wild Gripper DH
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Magura Gustav M Levers Magura Gustav M Disc Brakes
Hubs for disc brakes	Magura Hugi
Rims manufacturer	32-hole Sun Rims Fatt Albert
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	White Brothers Ti-Riser
Handlebar extender	Optional
Handlebar stem details	Rotec Custom
Headset size	1 1/8 (inches) Threadless Ringle Sla (millimeters)a Ja (millimeters)a

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG90
Bottom bracket shell width	Rotec Custom
Bottom bracket type	122 (millimeters) Spindle Rotec Sealed Bearing
Crankset parts and sizes	48 Teeth Adventure Components
Gear shift levers	Shimano XTR RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

Rotec Pro Downhill Fork System Data

Derailleur (Front)	Chain Retention Device Rotec Custom Chainguide
Derailleur (Rear)	Shimano XTR SGS
Fork material	Double Triple-clamp Crown Aluminum
Fork type	White Brothers UD 150DH

Other Specs of Rotec Pro Downhill

Component group sets	Shimano XTR
Pedals details	Shimano PD-M636 SPD
Rear shock absorber	6.5 (inches) Travel Fox Vanilla TC
Saddle seat	SDG Big Boy DH
Seat post extension	27.2 (millimeters) Diameter Ringle Moby Duece