Rust-resistant steel frame (HI-TEN-STEEL): Lightweight for easy control and speed, with toughness to withstand intensive use. Shimano 7-speed gear system: Smoothly shift gears to tackle inclines and flat roads with ease. Disc Brakes: Provide safe and precise stopping power in various weather conditions. Adjustable seat: Designed to offer maximum comfort on long rides. Quick Release tires: For easy maintenance and transport at any time.