When cycling on the road, a cassette featuring more closely spaced gears will allow a rider to maintain better cadence. Riding a gravel chainring, one could consider a standard road cassette to be hard core, on the other hand, one might find the range of any dedicated gravel cassette too big. One such ideal case is, the SRAM Explorer cassette which has the climbing gears, but not too wide spread to compensate for over heavy gear range.