Motorcycle Disc Brake Frame Adapter Caliper Seat Fit For GTS300 GTV300 2017-2025 Replacement Parts Fit For GTS300 GTV300 2017-2021 2022 2023 2024 2025 scooter models with standard 100mm hole pitch; front fork mounting structure for large radial caliper refitting Direct bolt-on installation without frame or extra gaskets; reserved threaded holes align with front suspension, compatible with 100mm spacing radial brake calipers Solid CNC one-piece machining with hard anodized finish; rigidity anti-torsion structure caliper shake during hard braking high-speed cruising Heat-resistant surface coating withstands long-term rain, mud brake ; maintains stable mounting after thousands of kilometers riding milling model-specific radian design; seamless fit with front fork brake disc, consistent dimension standard for GTS/GTV 300 brake refitting adapter