Shimano GRX ST-RX715 Di2 Shift/Brake Lever BR-RX410 Hyd Disc Brake Caliper - Right/Rear 12-Speed Flat Mount Caliper For 25mm Mount 18''x2.20 The longest distance lowest profile

The longest distance lowest profile widest cutaway Butterfly with something extra: Poron XRD

Crank Arm Length 170mm BCD 110 Chainline 45

Adjustable leg widths

}SunRace M2A 7-speed 14-28 Freewheel Black/Zinc

Shimano GRX ST-RX715 Di2 Shift/Brake Lever BR-RX410 Hyd Disc Brake Caliper - Right/Rear 12-Speed Flat Mount Caliper For 25mm Mount 18''x2.20 The longest distance lowest profileThe 12 speed Shimano GRX RX715 Di2 Dual Control lever offers fast wireless shifting and excellent braking power with an optimized modulation for gravel riding. The RX715 Di2 shift brake lever is paired with a GRX BR RX410 flat mount disc brake caliper that brings a new level of control to gravel cycling with enhanced modulation and a quicker initial braking point. And despite its compact construction the system is quieter and easier to maintain. ST