The Park Threadless Nut Setter is built to last and uses a long handle to protect your fingers

GRX BR-RX400

7v battery will offer up to 2 additional hours of light at the maximum brightness(1000 lumens)

The optimization doesn't stop there - the rim weight is reduced compared to the previous FR model

11-speed cassette compatibility:

Shimano GRX ST-RX825 Di2 Shifter/Disc Brake Lever & Caliper - Lever Assemby - Black - Rear - Left Lever PDP|Option The Park Threadless Nut SetterExperience fast, wireless shifting with the Shimano GRX Di2 DUAL CONTROL LEVER. Its ergonomic design includes raised hoods, anti slip coating, and optimized hood body for seamless integration with flared handlebars. This lever also features third button location and compatibility with three satellite shifter options to customize your riding experience.