Using this BBB Jumper Stem is a breeze. First, make sure your bike is suitable for a stem with a 55mm length and 31.8 diameter. Install the stem on your bike following the standard procedures. If you want to attach a GoPro, simply use the front cap system to secure it. When it comes to the Garmin bracket, ensure it fits well with the stem as it's compatible with the BHS - 91 StemFix. For maintenance, keep it clean by wiping it with a soft cloth regularly. Avoid using harsh chemicals as they may damage the sandblasted texture. Check the stainless steel bolts periodically to make sure they're tight. If you notice any signs of wear or damage, it's best to replace the stem or the affected parts.