ARC Billet Brembo Rear Brake Master Cylinder Cap – AC-MC111

The ARC AC-MC111 is a billet rear brake master cylinder reservoir cap for select Gas Gas, Husqvarna, KTM and Triumph motorcycles equipped with compatible Brembo rear brake master cylinders. Precision-machined from 6061 billet aluminum, it replaces the standard reservoir cap with a clean, factory-inspired ARC upgrade. Available in multiple anodized colors and finished with the ARC logo, the AC-MC111 delivers a precise OEM-style fit while adding a premium finishing touch to your motorcycle. KEY FEATURES CNC-MACHINED 6061 BILLET ALUMINUM DIRECT OEM-STYLE REPLACEMENT DESIGNED FOR SELECT BREMBO REAR BRAKE MASTER CYLINDERS PRECISION-MACHINED FOR A FACTORY FIT DURABLE ANODIZED FINISH ARC LOGO MADE IN THE USA VERIFY FITMENT: Match your exact make, model and year below before ordering. FITMENT HUSQVARNA FC 250: 2014-2015 FC 250: 2016-2017 FC 250: 2018 FC 250: 2019-2021 FC 250 / ROCK STAR / FACTORY: 2022-2025 FC 350: 2014-2015 FC 350: 2016-2017 FC 350: 2018 FC 350: 2019-2021 FC 350 / HERITAGE: 2022-2025 FC 450: 2014-2015 FC 450: 2016-2017 FC 450 ROCKSTAR: 2018-2019 FC 450: 2019-2021 FC 450 ROCKSTAR: 2021 FC 450 / ROCKSTAR: 2022-2025 FE 250: 2014-2016 FE 250: 2017 FE 250: 2018-2021 FE 250: 2022-2024 FE 250: 2025 FE 350 / S: 2014-2016 FE 350 / S: 2018-2021 FE 350 / S / W: 2022-2024 FE 350 / S / W / HERITAGE: 2025 FE 450: 2014-2016 FE 450: 2017 FE 450: 2018-2021 FE 450 / HERITAGE: 2022-2024 FE 450 / HERITAGE: 2025-2026 FE 501 / S: 2014-2016 FE 501: 2017 FE 501 / S: 2018-2021 FE 501 / S / W: 2022-2024 FE 501 / S / W / HERITAGE: 2025 FX 350: 2017 FX 350: 2018-2021 FX 350: 2022-2026 FX 350 BT (Braketec): 2023 FX 350 HERITAGE: 2023-2025 FX 350 HERITAGE BT (Braketec): 2023 FX 450: 2017 FX 450: 2018-2021 FX 450: 2022-2025 FX 450 BT (Braketec): 2023 FX 450 HERITAGE: 2023-2025 FX 450 HERITAGE BT (Braketec): 2023 TC 125: 2014-2017 TC 125: 2018 TC 125: 2019-2021 TC 125 / HERITAGE: 2022-2026 TC 150 / HERITAGE: 2025 TC 250: 2014-2016 TC 250: 2017 TC 250: 2018 TC 250: 2019-2021 TC 250 / HERITAGE: 2022-2026 TC 300 / HERITAGE: 2025 TE 125: 2014-2016 TE 125: 2025 TE 150 / 150i: 2017 TE 150 / 150i: 2018-2021 TE 150 / 150i / HERITAGE: 2022-2024 TE 150 / 150i / HERITAGE: 2025-2026 TE 250: 2014-2016 TE 250 / 250i: 2017 TE 250 / 250i: 2017-2021 TE 250 / 250i / HERITAGE: 2022-2024 TE 250 / 250i / HERITAGE: 2025-2026 TE 300: 2014-2016 TE 300: 2017 TE 300 / 300i / ROCKSTAR: 2018-2021 TE 300 ROCKSTAR: 2022 TE 300i / HERITAGE: 2022-2024 TE 300 / HERITAGE: 2025-2026 TE 300 PRO: 2024-2025 TX 125: 2017 TX 125: 2018-2019 TX 300: 2017 TX 300 / 300i: 2018-2021 TX 300i / HERITAGE: 2022-2026 TX 300 BT (Braktec): 2023 TX 300 BT HERITAGE (Braktec): 2023 GAS GAS EC 250 / 250F: 2021-2025 EC 300 / 300 GP / 350F: 2021-2026 EC 450F: 2024-2025 ES 350: 2024-2025 ES 500: 2024-2026 EX 250 / 250F: 2021-2023 EX 250 / 250F BT (Braktec): 2023-2025 EX 300 / 350F: 2021-2023 EX 300 / 350F / BT (Braktec): 2023-2025 EX 450F: 2021-2023 EX 450F / BT (Braktec): 2023-2025 EW 500F: 2024-2025 MC 125: 2021-2023 MC 125 / BT (Braktec): 2023-2026 MC 250 / 250F: 2021-2023 MC 250 / 250F / BT (Braktec): 2023-2026 MC 250F FACTORY EDITION: 2023-2025 MC 300: 2025 MC 350F: 2021-2023 MC 350F / BT (Braktec): 2023-2025 MC 450F: 2021-2023 MC 450F / BT (Braktec): 2023-2025 MC 450F FACTORY EDITION: 2023-2025 KTM 125 SX: 2009-2013 125 SX: 2014-2015 125 SX: 2016-2026 125 XC: 2021-2025 125 XC-W (Non US): 2017-2019 150 EXC (Non US): 2020-2025 150 SX: 2009-2013* 150 SX: 2014-2015 150 SX: 2016-2025 150 XC: 2010-2013 150 XC: 2014-2015 150 XC-W: 2017-2026 200 XC-W / XCW: 2009-2013 200 XC-W / XCW: 2014 200 XC-W / XCW: 2015-2016 250 EXC: 1998-2005 250 EXC (Non US): 2006-2013 250 EXC (Non US): 2014-2025 250 EXC-F (Non US): 2006-2013 250 EXC-F (Non US): 2014-2025 250 SX: 1998-2005 250 SX: 2006-2013 250 SX: 2014-2026 250 SX-F: 2005-2006 250 SX-F: 2007-2013 250 SX-F: 2014-2026 250 XC: 2006-2013 250 XC: 2014 250 XC: 2018-2026 250 XC-F / XCF: 2007-2013 250 XC-F / XCF: 2014-2026 250 XC-W / XCW: 2006-2013 250 XC-W / XCW: 2014-2025 250 XCF-W / XCFW: 2007-2013 300 EXC (Non US): 2006-2013 300 EXC (Non US): 2014-2025 300 SX: 2024-2026 300 XC: 2006-2013 300 XC: 2014-2026 300 XC-W / XCW: 2006-2013 300 XC-W / XCW / SIX DAYS: 2014-2026 350 EXC-F: 2012-2013 350 EXC-F: 2014-2025 350 SX-F: 2011-2013 350 SX-F: 2014-2026 350 XC-F / XCF: 2012-2013 350 XC-F / XCF: 2014-2026 350 XCF-W / XCFW: 2012-2013 350 XCF-W / XCFW / SIXDAYS: 2014-2023 350 XW-F: 2024 400 EXC: 2000-2006 400 SX: 1997-2002 400 XC-W: 2007-2010 450 EXC / SIX DAYS: 2003-2006 450 EXC / SIX DAYS: 2007-2011 450 EXC / SIX DAYS (Non US): 2012-2013 450 EXC / SIX DAYS (Non US): 2014-2016 450 EXC-F / SIX DAYS (Non US): 2017-2024 450 RALLY (Non US): 2011-2014 450 RALLY (Non US): 2015-2024 450 SX: 2003-2006 450 SX-F: 2007-2008 450 SX-F: 2009-2012 450 SX-F FACTORY: 2012 450 SX-F: 2013 450 SX-F: 2014-2026 450 XC: 2007 450 XC-F / XCF: 2008-2009 450 XC-F / XCF: 2013 450 XC-F / XCF: 2014-2026 450 XCF-W: 2023-2026 450 XC-W / XCW: 2009-2013 450 XC-W / XCW: 2014-2016 500 EXC: 2012-2013 500 EXC / EXC-F / SIX DAYS: 2014-2025 500 XC-W / XCW: 2012-2013 500 XC-W / XCW: 2014-2016 500 XCF-W: 2020-2022 500 XW-F: 2024 505 SX-F: 2007-2008 505 XC-F: 2008-2009 525 EXC: 2003-2006 525 EXC: 2007 525 XC / XC-W: 2006-2007 530 EXC: 2008-2011 530 XC-W: 2008-2011 *Note: The source fitment chart lists the first 150 SX range as “19-13.” This has been interpreted as 2009-2013 based on the surrounding 2014-2015 and 2016-2025 rows. TRIUMPH TF 250-E: 2026 TF 250-X: 2025 TF 450-E: 2026 TF 450-RC: 2025