Shimano GRX ST-RX715 Di2 Shift/Brake Lever BR-RX410 Hyd Disc Brake Caliper - Right/Rear 12-Speed Flat Mount Caliper For 25mm Mount CheckoutSpec= (31.8) 8.5 - Black anodized red with 39mm ID

anodized red with 39mm ID and 52mm OD

Finite Finish Base Structure Tool Press Rollers without gears

Not compatible with NNN

Constructed with high quality and innovative materials offering a compression fit with a bonded silicone ring to ensure that they will stay in place for the whole session

Shimano GRX ST-RX715 Di2 Shift/Brake Lever BR-RX410 Hyd Disc Brake Caliper - Right/Rear 12-Speed Flat Mount Caliper For 25mm Mount CheckoutSpec= (31.8) 8.5 - Black anodized red with 39mm IDThe 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