Oh balls, that trail is tall, so you're glad you use Shimano's XT Cassette. Shimano built this cassette of chrome-plated steel, which means ain't nobody gonna have a stronger set of teeth than you. Choose between 11-32T or 11-34T according to your riding needs.

Product Features
Material: [Cogs] Chrome-plated steel; [Carrier] Alloy
Weight: 256g
Recommended Use: Heavy duty mountain biking
Manufacturer Warranty: 1 Year
Country of Origin: China