TRW Brake Disc (manufacturer part number: MST239) — fixed round disc of 305 mm designed for road and off-road use. Made from stainless steel, this street rotor offers a simple and robust geometry suitable for touring bikes, trails, enduros, roadsters, sports bikes, and supermotos. Ideal for riders looking for a replacement part that meets manufacturer specifications.
- Outer diameter: 305 mm
- Drilling circle: 202.5 mm
- Inner diameter: 181.0 mm
- Thickness: 5.0 mm
- Shape: round, perforated disc
- Material: stainless steel
The rotor features a machined surface with tight tolerances and precise surface grinding, ensuring uniform contact with the pads and dimensional stability over time. The perforations aid in water and pad residue evacuation for more consistent braking performance in variable conditions.
This disc is compatible with several BMW models (including the BMW R 1200 HP2 Sport, Megamoto, and Enduro 2008) — please check the exact fit for your machine before installation. A fitting kit is required: refer to the information on the "Fitting Kit BMW" image for the necessary assembly parts.
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