Shimano GRX Di2 Rear Derailleur (RD-RX817) BX PSI durability

durability

Ranging from 2Nm-10Nm

One of a kind special oval shape (Patent Pending)

Torx® 8/10/20/25

SHIMANO DEORE XT is the original mountain bike groupset trusted by generations of mountain bikers around the world

Shimano GRX Di2 Rear Derailleur (RD-RX817) BX PSI durabilityWith an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON OFF switch for the chain tensioner. The RD RX817 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with mtb cassettes with a 42T low sprocket max. Features Adjustable