The 1999 Mongoose SX 4.5 is a mountain bike with an aluminum frame. The frame comes in Wired  Red or Matte  Blue.

It was released in 1999. Due to the frame materials and other factors, we estimate that this bike weighs around 35 pounds. The SX 4.5 is fully rigid.

Components

The SX 4.5 comes with Mountain Mix components, including an aluminum adjustable stem, a threadless, sealed Mongoose headset and Torque Drive TD Pro shifters.

Drivetrain

The SX 4.5 has 8 speeds and has a Shimano derailleur.

Wheels

It comes with Kenda Krisp tires (26in x 2in) and Weinmann 519 rims.

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Specs

Type Mountain
Year 1999
Alt. Names SX4.5, SX 4.5