Frame: Lightweight aluminum (usually) * Size: Approximately 27.5 inches (depending on wheel shape) * Suspension system: Front (front shock absorber for shock absorption) * Brakes: Front and rear disc * Speeds: Usually multiple (approximately 21 or 24 speeds) * Handlebars: Straight (suitable for off-road) * Seat: Comfortable sports seat * Additions: * Side stand * Reflectors on wheels for increased safety * Plastic pedals