This product is a Genuine Shimano replacement partFor Tiagra RD-4700 rear derailleurFor a full exploded diagram of all spares please refer to www.si.shimano.comShimano Tiagra RD-4700 tension and guide pulley setSKU: Y5RF98070£11.99PriceQuantity*Add to CartDeliveryThis item ships from our UK distributor. Standard delivery: 3-5 working days.