Compatible w the kLite QUBE rear flashing light (sold separately)

SRAM's Apex 1 drivetrain provides the gear range and the shifting simplicity to let you simply go where you want

it will add physical grade changes to your indoor training

Specially-designed

Hubs: Giant GX Disc wheelset

SHIMANO Deore RT54 Disc Brake Rotor - Centerlock Size:- 160mm Compatible w the kLite QUBESHIMANO CENTER LOCK Disc Brake Rotor 180 160 mm SHIMANO SM RT54 disc brake rotors provide exceptional stopping power in all riding conditions. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. CENTER LOCK for quicker installation About 10% lighter than SM RT53 Designed for resin pad only 160 mm, 180 mm