BK-7-7B Emergency caliper cylinder assembly

 BK-11-S4 Socket cap head screw

BK-11-D1 Washer

 BK-SR-1 sealing ring 

BK-SR-2 sealing ring

BK-7-7A1 Cover of the cylinder 

BK-GB-1 Guide band 

BK-SR-3 sealing ring 

BK-7-7B2 B Piston

 BK-SR-4 sealing ring 

 BK-SR-5 sealing ring 

 BK-7-7A3 B Elastic guide sleeve

BK-7-7A4 Disc spring

 BK7-7A5 Copper bush

 BK-7-7A6 Hydraulic cylinder 

BK-7-7A7 Lock nut 

BK-7-7B8 Axle sleeve 

 BK-7-7A9 Retaining ring 

 BK-7-7A10 Adjusting nut 

BK-7-7B11 Back cover of the cylinder 

 BK-13-Y Grease cup

BK-11-D3 Washer

BK-11-S5 Socket cap head screw