TQ Ebike Chainring Lockring w Protective Installation Sleeve

TQ Ebike Lock Ring Set 
TQ chainring lockring.
Proper torque rating is 50Nm (Not 30Nm as seen on previous model lockrings) 
Requires 20-notch bottom bracket tool sold separately in our store. 
Includes blue sleeve to protect seals in lockring from bottom bracket spindle
Refer to online Service Manual for assembly instructions and service
Tightening torque: 50 Nm (no longer 30 Nm)
Model: Lock Ring
Brand: TQ Systems GmbH
Manufacturer Part Number: 339277.01
UPC: 4260738170161