Holding the motor against the downtube, using a lock ring tool or C-spanner (see pic) tighten
both the M33 lockring (33-40Nm torque) and the BB cup over the M33 (20-30Nm torque).
Lock ring socket tools are available to purchase through Converted System.
Tighten the M6 bolts to final torque (34-40Nm).
4. KIT INSTALLATION