GRX Di2 ST-RX815 Shifter/Brake Set Position:Rear Both 148x12 Thru Axle Adapters

Both 148x12 Thru Axle Adapters are compatible for both 142 and 148mm bikes

Output: 5 Lumens (LED Rating)

NXT is the world's most popular multifilament string

and shift mode switching

Steel back plate

GRX Di2 ST-RX815 Shifter/Brake Set Position:Rear Both 148x12 Thru Axle AdaptersThe 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. The Di2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. GRX Di2 ST RX815 11 speed shifters brake levers and flat mount BR RX810 hydraulic calipers Anti slip brake lever increases