ARC AC-MC105 Billet Braktec Front Brake / Clutch Master Cylinder Cap
The ARC AC-MC105 is a billet master cylinder reservoir cap for select Gas Gas and Husqvarna motorcycles equipped with compatible Braktec master cylinders. Depending on the application, it replaces the front brake, clutch or both reservoir caps with a precision-machined ARC upgrade.
Machined from 6061 billet aluminum and available in multiple anodized colors, the AC-MC105 delivers a clean, factory-inspired look with a precise OEM-style fit.
IMPORTANT: Braktec and Brembo master cylinders are used on different model years and configurations. Verify your exact model, year and factory master cylinder before ordering.
✔️Chosen by factory riders
⚙️Precision crafted in California, USA
Fitment
Part# AC-MC105
HUSQVARNA
FE 250: 2022-2024 — Front Brake & Clutch
FE 350 / S / W: 2022-2024 — Front Brake & Clutch
FE 450 / HERITAGE: 2022-2024 — Front Brake & Clutch
FE 501 / S / W: 2022-2024 — Front Brake & Clutch
FX 350 BT (Braktec): 2023 — Front Brake & Clutch
FX 350 HERITAGE BT (Braktec): 2023 — Front Brake & Clutch
FX 450 BT (Braktec): 2023 — Front Brake & Clutch
FX 450 HERITAGE BT (Braktec): 2023 — Front Brake & Clutch
TE 150 / 150i / HERITAGE: 2022-2024 — Front Brake & Clutch
TE 250 / 250i / HERITAGE: 2022-2024 — Front Brake & Clutch
TE 300i / HERITAGE: 2022-2024 — Front Brake & Clutch
TX 300 BT (Braktec): 2023 — Front Brake & Clutch
TX 300 BT HERITAGE (Braktec): 2023 — Front Brake & Clutch
GAS GAS
EC 250 / 250F: 2018-2020 — Clutch
EC 250 / 250F: 2021-2025 — Front Brake & Clutch
EC 300 / 300 GP / 350F: 2021-2026 — Front Brake & Clutch
EC 450F: 2024-2025 — Front Brake & Clutch
ES 350: 2024-2025 — Front Brake & Clutch
ES 500: 2024-2026 — Front Brake & Clutch
EX 250 / 250F BT (Braktec): 2023-2025 — Front Brake & Clutch
EX 300 / 350F / BT (Braktec): 2023-2025 — Front Brake & Clutch
EX 450F / BT (Braktec): 2023-2025 — Front Brake & Clutch
EW 500F: 2024-2025 — Front Brake & Clutch
MC 125 / BT (Braktec): 2023-2026 — Front Brake & Clutch
MC 250 / 250F / BT (Braktec): 2023-2026 — Front Brake & Clutch
MC 300: 2025 — Front Brake & Clutch
MC 350F / BT (Braktec): 2023-2025 — Front Brake & Clutch
MC 450F / BT (Braktec): 2023-2025 — Front Brake & Clutch
TXT RACING 250 / 280 / 300: 2023-2025 — Front Brake & Clutch
TXT GP 250 / 280 / 300: 2023-2025 — Front Brake & ClutchDescription
- CNC-MACHINED 6061 BILLET ALUMINUM
- DIRECT OEM-STYLE REPLACEMENT
- DESIGNED FOR SELECT BRAKTEC BRAKE AND CLUTCH MASTER CYLINDERS
- PRECISION-MACHINED FOR A FACTORY FIT
- DURABLE ANODIZED FINISH
- ARC LOGO
- MADE IN THE USA





























