S-Parts Titanium Brake Bolt Kit - Compatible with Shimano R9270 (Shifter & Caliper). Shimano Dura-Ace Di2 R9270 Compatible (Shifter + Caliper Hardware). The S-Parts R9270 brake bolt kit replaces the key fasteners across yourSTI shifters and hydraulic brake calipers withGrade 5 (TC4) titanium — cutting weight, improving corrosion resistance, and upgrading the finish with clean, colour-matched detail.
