Connex chain 10-speed, 1/2´´ x 11/128´´, with a width of 5,9mm these chains are compatible with all current 10-speed-derailleur systems. High quality materials and the extremely outer link guarantees long life and outstanding shifting performance. The stainless steel inner link of the models 10s1 and 10sX offer a much better protection against wearness which spares the expensive sprockets. With attached Connex link you can mount or dismantle your chain quickly all without tools. bolt length 5,9mm.Specifications:- Shifting type: Derailleur shifting - System compatibility: 10-speed - Width: 5,90 mm- Division: 1/2´´- Width in inch: 11/128´´- Amount of chain links: 114 pcs.- Incl. connecting link: Yes - Weight: 2,644 kg- Material: Steel