Description
SCHAFFEN GG copper-alloy two-piece rotors with heat treatment, built for track-capable performance. Recommended with 7075 hard-anodized hat + floating hardware.
Technology: HOOK serrated design across the GG lineup.
- Rotor Code: GG6521B
- Caliper Fitment: BMW —
- Surface: Drilled
- Diameter × Thickness: 380 × 28 mm
- Friction Face: 54
- Single Disc Weight: 6.7 kg
- M-PCD (Center Distance): 260
- Mount Holes: 10
- Center Bore: 242
- Inner / Large Bore: 272
- Mount Hole Diameter: 8×10
- Step: 0
Warranty notes (summary): runout coverage within 1000 km / 1 month with dial indicator video. Surface heat-checking with race pads can be normal. Deep cracks near hat bolts require inspection.
Pricing assumption: listed as a set (pair) unless you specify otherwise.
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