Shimano GRX Di2 Shifters with Flat Mount Calipers (ST-RX815 + BR-RX810) Size:Rear Brake - Left Hand The riding characteristic is nevertheless

The riding characteristic is nevertheless inimitably good

but develops a stronger bonding over time and is much more tolerant to temperature and humidity changes and aging

HOLLOWTECH II BB Type: Threaded bottom bracket type

The collar utilizes the Thomson Seatpost bolt

Has a mild cooling function

Shimano GRX Di2 Shifters with Flat Mount Calipers (ST-RX815 + BR-RX810) Size:Rear Brake - Left Hand The riding characteristic is neverthelessThe Shimano GRX Di2 Dual Control Lever delivers light and responsive shifting for mixed terrain riding. The ergonomic shifter design improves comfort, and the textured, anti slip brake lever increases control on bumpy terrain. This Di2 version, the ST RX815 Shifters with BR RX810 Flat Mount Calipers, offers the digital precision of Shimano electronic shifting and synchronized shifting. Specifications Raised hood head prevents hand misalignment and