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Kit with four springs brackets Telemark Kreuzspitze BTK. The springs placed inside the cartridge can be easily replaced by the user by unscrewing the cartridge locking bushingusing the key specviale CST (accessory sold separately). Three different spring kits are available, the hardest "HARD" completely polished zinc color, average "MEDIUM" with one end red and softer "SOFT" with one end blue.
Weight of the single spring "HARD" 35,5g Weight of the single spring "MEDIUM" 29g Weight of the single spring "SOFT" 23g Material: coated spring steel Compatible with brackets for Telemark Kreuzspitze BTK Stroke up to 37mm (with HARD spring) Stroke up to 42mm (with spring MEDIUM) Stroke up to 48mm (with spring SOFT)