Started my Penske install tonight stopped when it got dark. At first glance moving two clamps on brake lines will produce access to the bolt head. “Everyone says” this is 17mm but 2016 part number decoded says M12 which is expected to have a 19mm head. But being a fairly special bolt it could very well have M12 threads but smaller head to enforce lesser tightening torque.
Of concern about the brake lines is they are plastic covered steel tubes. Not something one bends casually. But also not something one expects to need support every 2” as has been done.
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2009 Husaberg FE450
1983 Porsche 928S