![Any idea what hydraulic fluid is in these "Power" brakes? No markings that I can see. On a 2022 Trek Dual Sport 2. : r/bikewrench Any idea what hydraulic fluid is in these "Power" brakes? No markings that I can see. On a 2022 Trek Dual Sport 2. : r/bikewrench](https://preview.redd.it/any-idea-what-hydraulic-fluid-is-in-these-power-brakes-no-v0-k3ahhzs7b0ea1.jpg?width=640&crop=smart&auto=webp&s=6da263e7d0aee7b2fa35918496b80ad7a7950346)
Any idea what hydraulic fluid is in these "Power" brakes? No markings that I can see. On a 2022 Trek Dual Sport 2. : r/bikewrench
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