D Rex ST Pro Hardboot Crampon Our legendary hardboot crampons are getting multiple upgrades for the 24/25 season! They come in 22% lighter than previous versions while still giving splitboarders total confidence in dicey terrain. The riser blocks remain unchanged and keep the full depth of teeth in the snow when using with heel risers. Weight: 5.15 oz/ea (147g) - 10.3 oz/pr (294g) - Regular Compatibility, Sizing, and Setup Recommended for use with Spark Tech Toes. Also compatible with Dynafit Speed Radical, Speed Turn, and Low Tech toe pieces. *NEW in 24/25 - 7075 Aluminum Manufactured with 7075 aluminum to be stronger and lighter with less drag. *NEW in 24/25 - ST Tech Overmolded ST Axle allows for even easier installation, rotation, and removal. *NEW in 24/25 - Nesting Design Nesting design saves valuable space in the pack. Easy Installation Install and remove on the fly by sliding sideways into and out of the crampon claw mounts. Made for the Steeps Stack up the crampon riser blocks to keep the full depth of teeth in the snow when using heel risers.