Shimano Dura-Ace BR-R9270 Hydraulic Disc Brake Caliper imp Like their namesake

Like their namesake

As with all Bora Ultra wheels

The varying number of pins for each of the three chainring combinations (34/50

Noise and vibration-free

The 2-Way Fit profile allows you to mount either a clincher tyre or a tubular tyre

Shimano Dura-Ace BR-R9270 Hydraulic Disc Brake Caliper imp Like their namesakeThe Shimano Dura Ace BR R9270 Hydraulic Disc Brake Caliper delivers Dura Ace level braking performance and control, built from anodised aluminium with resin pistons for a lightweight, race ready stop. Specifications Brake caliper: aluminium (anodized) Pistons: resin Compatibility STI lever: ST R9270, ST R9180, ST R8170 Sub brake lever: BL RX812 Brake disc: RT MT900 Brake pad: K03Ti Resin, L03A Resin, K04Ti Metal, L04C Metal Brake hose: SM BH90 J SSR,