Chain and cassette compatibility: The derailleur is designed to work with the Microshift Advent CS-H093 9 Speed Steel Cassette and a 9-speed chain

crystals are also larger

1x freehub seal

Materials: This derailleur is made from hardened alloy steel

311g total system weight with battery pack/regular cable (Light 92g)

661 Radia Goggles - S - Script Black - Smoke Mirror Lens netsuite-webdata-created Chain and cassette compatibility: TheThe Radia is 661's first foray into eyewear and delivers the same level of quality and exceptional value for money that they are known for: the Radia combines a lightweight chassis with a 40mm silicone backed strap and high quality smoke mirror lens with anti Fog and anti Scratch treatments for perfect optical clarity. Models are available in small and large sizes to suit different sized faces, and they are compatible with tear off and roll off