Fitment
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Fitment data still being indexed for this product. Ask BuildBot for a fit-check against your vehicle.
The compound
Circo M207.
The highest peak friction and the highest peak temperature Circo publish — a professional circuit compound rated to 920°C. It also has a 250°C floor, which makes it genuinely the wrong pad for a sprint or a hillclimb. Choose it when you are cooking everything else late in long races, not to gain lap time.
Operating range250–920°C
Friction µ0.45–0.56
Pad life'Very low wear at high temperatures'. No numeric figure published.
Rotor weargentle
Cross-brand equivalents
Run something similar.
These are the compounds we stock for the Brembo GT RD57 (D58 window) whose published friction and operating temperature come closest to Circo M207. They are a starting point for switching brands — not a guarantee of identical feel, because each manufacturer measures friction on their own equipment.
WinmaX W7
Very close100–850°Cµ 0.48–0.53
The top of the W-series — professional circuit and rally use, and the highest friction WinmaX publish.
Matched on published friction and operating temperature.
From $721WinmaX W6.5
Very close50–800°Cµ 0.47–0.50
The standout for sprints and hillclimbs: close to 0.5 friction from a 50°C floor, so it bites on lap one. WinmaX call it their best rally pad.
Fits the same caliper
More pads for the Brembo GT RD57 (D58 window).
Pairs well with
