SPRE RD6700/6770/XT/Saint pulley set

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Ultegra/Deore XT/Saint rear derailleur replacement guide and tension pulley set
Suitable for a range of rear derailleurs RD-6770/6700-A/6700/6600, M772/M771/M770, M810-A/M810 and T780
Its recommended that you replace your derailleur pulley wheels periodically for the best shifting performance
Set comprises of two pulley wheels and is a genuine Shimano replacement part