Go on adventurous rides on the HUFFY Black adult DS-5 mountain bike. It offers 21 adjustable speed gears for easy maneuvering. Its chain is made of steel while the rim is made of metal alloy. This mountain bike has an adjustable seat to meet your height requirements for a comfy ride. It can hold a weight of 250 lbs. The HUFFY 21-gear bike has pneumatic tires that offer superior grip and control on different terrains. Ages 13 and up. Adult assembly required.