A single disc brake.
WHEELTOP EDS GeX Gravel Wireless Electronic Groupset 3-14s 52T Hydraulic Disc
Wheeltop EDS GeX Gravel Disc Brake | Rim Brake Electronic Groupset
Wheeltop Gex Mountain Bicycle OX2.0 EDS Electronic Transmission 7-14 Speed
WHEELTOP EDS GeX Wireless Groupset Gravel 52T 3-14 Speed Hydraulic Disc Brake
Wheel Top EDS GeX Wireless / Hydraulic Brake Group Set for Gravel Bike
