Tektro TR203-17 Disc Brake Rotor – 203mm 6-Bolt 2.3mm Thickness Silver. Tektro disc brake rotors with a thickness of 2.3mm.If your new rotors are a different size than the ones you’re replacing, then you’ll need new brake adapters! Check out our guide to getting the right brake adapters to spend less time on the computer and more on the trails.

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