Frenkit Rear Caliper Seal and Piston Kit BREMBO 629010 for BMW Frenkit Frenkit 629010: rear caliper seal and piston kit. See if it fits your bike. BMW HP2 Enduro BMW HP2 Megamoto BMW HP2 Sport BMW K 1200 GT BMW K 1200 R BMW K 1200 R Sport BMW K 1200 S BMW K 1300 GT BMW K 1300 R BMW K 1300 S BMW R 1200 GS BMW R 1200 Nine T