Hayes Dominion A4 Replacement Disc Brake Caliper - 4-Piston Pads Sold Separately BLK 305g Backing Plate Material Steel Compound

Backing Plate Material Steel Compound Organic Designed for ebike Yes Heat Sink No Pad Shape Number 50

} Replacement inserts for SRAM S-900 Direct Mount calipers011721 SRAM Model ID: RB-SPP-A0

}SRAM DUB Wide English Ceramic Bottom Bracket - English/BSA 68/73mm 73 Road-Wide Black

}Wheels Manufacturing Derailleur Hanger - 584

Hayes Dominion A4 Replacement Disc Brake Caliper - 4-Piston Pads Sold Separately BLK 305g Backing Plate Material Steel CompoundReplacement disc brake calipers for Hayes Dominion hydraulic brake systems. Replacement caliper only (does not include brake hose or pads) Model Dominion A4 Description 4 Piston Caliper Mount 74mm Color Black