Shimano CS-HG400 Cassette - 9 Speed - Shimano HG Splined - 11-28T - Silver New Arrival and a massive 556% range

and a massive 556% range on the 12 speed cassette

Construction: DH certified lightweight polymer compound shell in two sizes

This creates a much more stable platform and does a better job protecting your rear derailleur

Engagement: 4 degrees

If you're not sure which EPS size your helmet has it should be printed inside the helmet and visible when the headliner and cheek pads are removed

Shimano CS-HG400 Cassette - 9 Speed - Shimano HG Splined - 11-28T - Silver New Arrival and a massive 556% rangeShimano's HG400 9 delivers reliable 9 speed mountain bike shifting performance and a durable, silver finish. Features Close gear steps between primary sprockets create smooth, comfortable pedaling Available in 11 28T and 11 32 Hyperglide technology Lightweight design Quick and easy assembly with cassette sprocket cap