SCHAFFEN GG Two-Piece Alloy Rotor | Code GG9901 | Brembo Caliper: GT6 D57 | 380x34mm

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: GG9901
• Caliper Fitment: Brembo GT6 D57
• Surface: Polished / Drilled / 12-Arc / Dragon Pattern
• Anti-rust: KUMITE / Zinc
• Diameter × Thickness: 380 × 34 mm
• Friction Face: 61.5
• Single Disc Weight: 10.6 kg
• Ribs: Curved 48
• M-PCD (Center Distance): 241
• Mount Holes: 10
• Center Bore: 217
• Inner / Large Bore: 257
• Mount Hole Diameter: 9.0
• Vane: 15
• Step: 0
• Drawing No.: Z20022

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.