GRX BR-RX410 Disc Brake Caliper Brake Position:Rear The CeramicSpeed BB92 bottom bracket

The CeramicSpeed BB92 bottom bracket offers bearings with extremely low friction

Compound - GRIPTON T9 for maximum grip

Whether you’re looking to cut seconds off the splits

Includes 8 bolts and thread back up pin for chainring

comes with a lower pulley called "Magic Wheel" that keeps spinning if an object becomes lodged

GRX BR-RX410 Disc Brake Caliper Brake Position:Rear The CeramicSpeed BB92 bottom bracketThe GRX BR RX410 disc brake caliper brings a new level of control to gravel cycling with enhanced modulation and a quicker initial braking point. And despite its compact construction, the system is quieter and easier to maintain. Includes bracket for 140 160mm Rotor (Assembled for 160mm)