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The Di2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting
4V Li-Ion battery: keep it in top condition and ready for shifting with this specific Shimano Di2 charger - 1
charging port
The larger
With its advanced features and precise data measurement
Shimano GRX RD-RX812 Rear Derailleur Matte Black Flash The Di2 version offers theWith 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 RX812 rear derailleur is compatible with mtb cassettes with a 42T low sprocket max. Specifications Average weight 267 g B Axle_Hollow axle _ Cable adjuster _ Compatible chain HG EV 11 speed HG
