NEW TRP Slate T4 Disc Brake and Lever - Rear, Hydraulic, Post Mount, Black pedal_clipless Uses Velcro straps to attach

Uses Velcro straps to attach to the bridge and stanchions

Just like the early 80's MTB pioneers

Front and rear 26 mm

Rear Derailleur : Shimano GRX RX812

Lumens Front: 1000

NEW TRP Slate T4 Disc Brake and Lever - Rear, Hydraulic, Post Mount, Black pedal_clipless Uses Velcro straps to attachTRP Slate T4 hydraulic disc brakes are a 4 piston brake system offering excellent braking power in a lightweight package. Features an ergonomic, Aaron Gwin designed, alloy lever with dimpled accents made from cast aluminum Forged and CNCd, 4 piston caliper Tool free reach adjustment Top loading caliper Pads feature a resin compound that has increased thermal stability and shorter bed in process