New Record? Ultra Narrow? chain The Record? groupset presents the Record? 10s Ultra Narrow? chain that is just 5.9-mm wide. Owing to its dimensions, it is lighter and quieter and facilitates adjustment of the rear derailleur. Chain links and pins have been lightened so that the chain weighs only 255 g in all.

Technical specifications Component Options Description Weight (g) * RECORD? Ultra Narrow? chain 10s - width 5,9 mm - Ni-PTFE Finish - 114 links - Ultra?Drive? - HD-Link? for Ultra Narrow? chain - lightened links - hollow pins 2,24 ** * The nominal weight refers to the lighter specification among the available options. The weight of the hubs does not includes the quick-release. The nominal weight does not take account of the sometimes considerable quantities of grease used in the assembly of the products. ** Example: 2,39 x 108 links = 258 g