RD-RX817 GRX Di2, 11-speed rear derailleur, Shadow Best Price: £289.42 from Polaris Bikewear Buy for best price Review This Product Related Products RD-RX400 GRX 10-speed rear derailleur, Shadow+ Best Price: £65.59 Compare prices RD-RX810 GRX 11-speed rear derailleur, Shadow+ Best Price: £113.42 Compare prices RD-RX812 GRX 11-speed rear derailleur, Shadow+ Best Price: £113.42 Compare prices
RD-RX817 GRX Di2, 11-speed rear derailleur, Shadow Best Price: £289.42 from Polaris Bikewear Buy for best price Review This Product Related Products RD-RX400 GRX 10-speed rear derailleur, Shadow+ Best Price: £65.59 Compare prices RD-RX810 GRX 11-speed rear derailleur, Shadow+ Best Price: £113.42 Compare prices RD-RX812 GRX 11-speed rear derailleur, Shadow+ Best Price: £113.42 Compare prices
