ARC AC-MC111 Billet Brembo Rear Brake Master Cylinder Cap
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.
✔️Chosen by factory riders
⚙️Precision crafted in California, USA
Fitment
Part# AC-MC111
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: 2025Description
- 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
