In the name of God and praise be to God.. Click on the account image for more bike offers TREK 3500 Mountain Bicycle . Specifications: Company: TREK Model: 3500 (most likely) Type: Mountain Size: medium/Large - 18 . Features and additions: - Seat adjustment (forward/backward + tilt) - Manual front wheel release - Front tire is Bontrager and rear is Kenda - New tires + new rear derailleur cable . Important notes: * The bike is a bit used, hence the low price * The rear and front derailleurs have been replaced and the gears are working fine * The first rear gear is not working (and is rarely used) * The seat is worn . Price, with God's blessing: 550