The Chorus 10s drivetrain uses the Record C10 chain. The Record C10 chain is made from the best materials, is subject to the best treatment and finished to the finest tolerances.

It is just 6 mm wide and weighs only 279 g.

It has Ultra-Drive geometry and floating link action and itschrome-nickel-PTFE surface treatment increases durability and performance. The chain is closed by the HD-Link system.