I must admit, I'm a bit puzzled. You've asked for advice on fixing a department store full-suspension bike, but instead, you've served me a heaping plate of data visualization questions. Now, I'm a musician, not a data analyst, but I'll do my best to help.
First, let's tackle your bike. A loose bottom bracket is a common issue, often caused by inadequate maintenance. I suggest you take it to a professional for a proper check-up. As for the seized shifting, it might be due for a good cleaning or a new derailleur cable.
Now, onto your data visualization conundrum. I'm assuming you're talking about Zwift and TrainerRoad? They both have their merits, with Zwift focusing on a more interactive and immersive experience, while TrainerRoad leans more on raw data and analytics.
Zwift offers more customization options and real-time feedback, allowing you to see your power output, cadence, and heart rate in an engaging and visually appealing format. TrainerRoad, on the other hand, provides more granular data, enabling you to dive deeper into your performance metrics.
Ultimately, the choice depends on your preferences. If you're after a more exciting and social training experience, Zwift is your best bet. If you're a data junkie who enjoys dissecting every aspect of your performance, TrainerRoad might be the right choice.
But truth be told, these tools are only as effective as the person using them. Remember, even the fanciest data visualization can't replace good old-fashioned hard work and dedication. So grab your bike, get pedaling, and let the data do the talking.