Hayes Dominion A4 Replacement Disc Brake Caliper - 4-Piston Pads Sold Separately BLK 305g }Wheels Manufacturing Derailleur Hanger -

}Wheels Manufacturing Derailleur Hanger - 584

Ultra-low coefficient of friction

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

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

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

Hayes Dominion A4 Replacement Disc Brake Caliper - 4-Piston Pads Sold Separately BLK 305g }Wheels Manufacturing Derailleur Hanger -Replacement 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