Sram red Etap 11 speed A1  rear derailleur with the original Sram Battery and the benefit of the Oversized Pulley

Wheel assembly providing the benefits lower friction and being 32t compliant.  The Pairing works well and it functions as it should also 

 the functioning is smooth and fast up and down the range.   The alloy cage has two areas of scratches   ( see pictures )

The dérailleur and the Sram battery have the original Sram Red terminal covers and the original Sram leaflets and set up guide.

The derailleur was photographed in the open and closed positions and the function also the green diode light is also shown following

This New lightweight O.S.P.W. is fitted with 2 x 15t Jockey wheels for the benefit of reduced

friction and  a rear cassette range increase.   Note The pictures with the derailleur on the bike with a 32t cassette  are to show it installed and functioning as it has not been used since the Jockey wheel cage upgrade.