Ultimate Gear Range Classified cassettes are ideal for any modern derailleur, they are available in 11, 12, and 13-speed options to suit every rider’s needs. Engineered with precision and tested by pro riders, they offer smooth, reliable shifting for instant, effortless gear changes. Crafted from a single piece, our cassettes start at just 157 grams, providing significant weight savings for a faster, more efficient ride. Built to last, they deliver consistent performance ride after ride.