BMC Timemachine - Installing the Front Brake Pipe; Rear Brake Cable Routing

Steps
b & c
5. Pre-assemble the Brake Booster Box:
a. Insert the Headset Bolt until the top of the Headset Bolt is
5mm from the bottom of the Brake Booster Box
b. Place the Wavy Washer over the Headset Bolt (from below)
c. Place the Conical Compression Ring on the Wavy Washer
Headset Assembly
Step a
5mm