Tire Levers Premio, pair a high strength forged aluminum lever with a semi-rigid Nylon Pad on the rim side of the lever only. This allows the overall lever to be thinner, yet stiffer and stronger than either full plastic or metal core designs. Even better, Tire Levers Premio utilize a designed in Flex-Core Zone which allows the Nylon Pad to conform to the curvature of the rim during use for maximum distribution of load.
Due to the high strength full-metal blade, Tire Levers Premio are 25-30% narrower than other lever designs, making them ideal for very tight tires and tubeless setups where access to the tire bead is very tight.
Tire Levers Premio were designed for safe use on carbon fiber rims if used properly, and as intended. To ensure proper use on your specific set of wheels, you MUST refer to your wheel manufacturer's guidelines on using tire levers.
In the meantime, here's some general advice from us.
1. Tire Levers Premio should ONLY be used to remove the tire. Never use a tire lever to aid in tire installation. This is not the intended use case for the tool and could result in damage.
2. Make sure the orientation of the blade of your tire lever is correct before use. Using a tire lever that is upside down is not only more difficult to use but it could result in damage.
3. We don't recommend using tire levers if you're using latex inner tubes.