Fitment
Will this fit?
Fitment data still being indexed for this product. Ask BuildBot for a fit-check against your vehicle.
Cross-brand equivalents
Run something similar.
These are the compounds we stock for the Mazda RX8 rear whose published friction and operating temperature come closest to Circo M155. They are a starting point for switching brands — not a guarantee of identical feel, because each manufacturer measures friction on their own equipment.
WinmaX W5
Close100–750°Cµ 0.40–0.43
WinmaX’s standard circuit model, and the default club racing and rally choice in the range.
Matched on published friction and operating temperature.
From $321Project Mu NS-EP
Close0–400°Cµ 0.37–0.40
Project Mu’s street pad, sold as NS400 in some markets — fade and wear resistance with a fine pedal feel.
Matched on published friction and operating temperature.
Fits the same caliper
More pads for the Mazda RX8 rear.
Pairs well with
