I have not had to touch them since installing the new pads. I like how the brake lever snaps back when I release it. Another problem is that roller-cams are no longer being manufactured so getting some parts can be a challenge. Luckily, finding replacement pads and levers is not a problem. These are the same levers that cantilever brakes use.
With a few tweaks, the Schwinn High Sierra makes an excellent long distance touring bike or commuter bike. Some riders convert these bikes into drop bar gravel bikes. The 2022 Schwinn Mesa 2 is nearly identical to the Schwinn Mesa 3, but features a few upgrades for improved performance, which bring it a step closer to an entry-level mountain bike racer. Notably, the mechanical disc brakes offer superior stopping power and control compared to linear pull brakes. The stock tires are fine for light trails, hard pack dirt, or gravel, but consider upgrading them if you want more grip. You mentioned scientific testing in your reply, and for this sort of thinking, I look directly at the World Cup XC/DH and EWS race tracks.
The High Sierra features a nice mix of high-end components from Shimano, Suntour, Dia-Compe, and other manufacturers of the day. The Chromoly steel frame, in particular, is of excellent quality. The Schwinn High Sierra was produced from around 1984 until around 1996.
You’ll also want to inspect the wheels to make sure they’re in decent condition. The Schwinn High Sierra is not compatible with cantilever brake calipers due to the brake stud location. If you don’t like roller-cam brakes or if you can’t find a replacement part that you need, there is a solution.
According to Schwinn, their most popular mountain bikes are the High Timber and the Mesa. If you’re looking for a good all-around bike, then Schwinn is probably the way to go. They offer a wide range of bikes for different purposes, so you’re sure to find one that suits your schwinn hybrid bike needs. They’re also generally considered to be of higher quality than Huffy, so you’ll get more bang for your buck with a Schwinn. Schwinn offers a wider range of sizes and styles than Huffy. This means that you’re more likely to find the perfect bike for your needs.