The 2001 AMP Research B4 All Country is a 25 pound a full-suspension mountain bike with an aluminum Alcoa T6 / AMP Research frame. The frame comes in red or polished.

The B4 All Country 2001 is a is a lighter bike at around 25 pounds. It was released in 2001 and costs $1,875 brand new.

Components

The B4 All Country 2001 comes with Shimano Deore LX components, including an aluminum stem, a threadless Aheadset headset and Shimano Deore LX RapidFire SL shifters.

Drivetrain

The B4 All Country 2001 has 9 speeds and has a Shimano Deore LX derailleur.

Wheels

It comes with Specialized Team tires ( x in front and x rear.) and Sun Rims CR18 rims.