

Rear Brake Reservoir Cap Softail
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A billet rear brake reservoir cap for 2018 and up Harley-Davidson Softail models, using the factory gasket.
The stock cap is a black plastic lid on a part of the bike people actually look at. This is machined 6061 billet in its place, and because it reuses the OEM gasket there is nothing to source and nothing to bleed. Offered in a twice cut finish and in triple nickel plated chrome.
Features of the Rear Brake Reservoir Cap
- Billet 6061 aluminum construction
- Reuses the factory OEM gasket
- Hardware included
- Made in California
Fitment
- 2018 and up Harley-Davidson Softail rear brake reservoir caps
About Thrashin Supply
Thrashin Supply Co. machines its billet parts from 6061 aircraft grade aluminum in the United States, much of it in Los Angeles. The line is built around controls, risers and foot hardware for riders who want the touch points on a Harley-Davidson to feel deliberate instead of stock.
Works With
Working on the same side of the bike: the Adjustable Brake Linkage for M8 Softail mid controls.
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