In the name of God and praise be to God.. Click on the account picture for more bike offers TREK FX 1 Bicycle . Specifications: Company: TREK Model: FX1 Type: Hybrid Size: Medium - 17.5 . Features and Additions: - Seat adjustment (forward/backward + tilt) - Manual wheel release - Kickstand . Important Notes: - The rear derailleur has been replaced (Rallex company), and the gears are working perfectly. - The front tire is worn. . Starting the bidding, God willing, from 800