This spring is used in calipers to reduce or alleviate rattling brake pads when the brake is not on. This spring is suitable for brake calipers which use the following pads: VC19054 (Vicma) IP34469 (101 Octane) DB2120SRN (Delta Braking) DB2120RDN (Delta Braking) 174.0015 (Polini) 174.2015 (Polini) FA115 (EBC) 10895 (Mokix) MCB535 (Lucas ) 225100080 (RMS) S12 (Motoforce, Stage 6)