The Black Edition is made of the highest quality steel. The ultra black-coating on the plates ensures optimal corrosion protection. The long term wear resistance of pins is achieved through a unique XHB hardening. Its long service life and precise gear-changing properties make this chain invincible. Pin ejection pressure: > 1500 N, Pin hardening: XHB, Weight (110 links): 275 g, 114 links inc Connex Link