AMP Research B4 XT (02) 1996 VS Rotec PRO DOWNHILL 1998 specs comparison

AMP Research B4 XT (02)

General Infos

Model	B4 XT (02)
Manufacturer	AMP Research
Year of production	1996
Current price	Check price Here ==>
Color choice	- red -Ball-burnished
Sizes	- 16 (inches) - 18.5 (inches) - 20 (inches)
Sizes	- 16 (inches) - 18.5 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Hutchinson
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT Levers Shimano Deore XT M-System Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Sun Metal CR18
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Double Butted Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Alcoa 6013 T6 Aluminum
Frame type	TIG-welded Steel and welded Aluminum
Handlebar construction	Control Tech Aluminum
Handlebar extender	Optional
Handlebar stem details	Control Tech
Headset size	Shimano Deore XT

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	107 (millimeters) Spindle Shimano BB-UN71
Crankset parts and sizes	22/32/42 Teeth Shimano Deore LX
Gear shift levers	Shimano Deore XT RapidFire SL
Rear gear set	11 - 28 Teeth 8-speed

AMP Research B4 XT (02) Fork System Data

Derailleur (Front)	Bottom-pull Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT GS
Fork material	Dual Pivot Crown Aluminum
Fork type	AMP Research F4 BLT

Other Specs of AMP Research B4 XT (02)

Component group sets	Shimano Deore XT
Pedals details	Optional
Rear shock absorber	2.75 (inches) Travel AMP
Saddle seat	Manganese Rails Vetta TT Tri-Shock
Seat post extension	31.6 (millimeters) Diameter Control Tech Control Post

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