Kustom Tech Grimeca Brake Master Cylinder

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3 reviews Regular price $220.00
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These are held in limited stock. Please contact us directly at orders@revivalcycles.com with questions regarding available inventory as lead times may be 2 to 5 weeks.

Bore Size

Looking for a bit of retro styling or a replacement for a worn out M/C? Revival Cycles carries New Old Stock (NOS) Grimeca brake master cylinders, offered by the connoisseurs of high-quality motorcycle controls at Kustom Tech. The folks over at Kustom Tech purchased the remainder of stock when the Grimeca factory closed down, meaning these NOS components are limited and hard to come by.

These master cylinders are available for both 7/8" and 1" bars with options of 12mm bore or 14mm for the master cylinder. 

This brake master cylinder requires a 10mm x 1.0 sized banjo bolt. 

M101-1.0 Banjo bolt fine thread.

Need a brake switch to actuate brake lights when only using the hand brake? Check here.


Customer Reviews
5.0 Based on 3 Reviews
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Filter Reviews:
Carlos C.
Really nice MC

Bought this a while back for my 1977 BMW r100s project bike and wow what a difference. A lot better than the undertank MC that comes stock on this bike. Had to get a line splitter and a new steel brake line but it was worth it. Install was easy if you're mechanically inclined. This was my first MC swap without any real info on this mod for my specific bike. Just make sure you know which piston size works best for your calipers.

Evan C.
Great quality

Vintage styled BMC. Clean and simple. Don't forget to buy the brake light switch.

John A.
Kustom Tech parts

I have not installed yet, but just looking at the quality of the parts tells me they will be excellent.

Revival Birdcage BMW R18

Build Bio

From our customers


100% impressed over and over again by Jeff & Co at Revival. They’re patient and kind no matter the enquiry (currently resto-modding an R100/7 and have LOTS of questions about the Motogadget rewire) and go out of their way to offer creative solutions and out of the box thinking. I will forever return and recommend Revival.

Theo B.
North Vancouver, BC

I cannot recommend Revival Cycles enough. Not only do they have a great assortment of gear and accessories but they provide superb customer service. I was having some difficulty making it work... Jeff pointed out what I was missing and also provided schematics to make it work. Thank you guys very kindly, your crew rocks.

Svend P.
Santa Fe, NM



We don't just want the sale. Revival's team is here to support you through your buying process to ensure you have exactly what you need when working on your bike. Our technical support team is happy to help!


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