The 1999 Mongoose SX 4.5 1 is a mountain bike with an aluminum frame. The frame has a Wired  Red finish. It was released in 1999 and costs $409 brand new. Due to the frame materials and other factors, we estimate that this bike weighs around 35 pounds. The SX 4.5 1 is fully rigid.

Components

The SX 4.5 1 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 1 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
MSRP $410
Year 1999
Alt. Names SX4.5, SX 4.5