Reinforced retaining ring from BGM pro with increased material thickness and greater pre-tensioning force especially for the cosa type clutch.
 
This has holes so that it can be easily inserted with circlip pliers. The BGM Pro retaining rings are an ideal addition to all clutch baskets, especially if they are equipped with strong springs. 
NOTE: You MUST use a clutch compressor when assembling/disassembling a clutch.
 
All BGM Superstrong complete clutches from 2017 onwards contain this ring type in series. 
 
BGM PRO Superstrong Ø=108 w=6.3mm h=1.5mm - Suitable for: Vespa GS 150 (VS1T, VS2T, VS3T, VS4T, VS5T), GS 160 (VSB1T, VSB2T), SS 180 (VSC1T), Rally 180 (VSD1T), Rally 200 (VSE1T), PX 200 (VSX1T), PX 150 (1995-), T5 125cc (VNX5T), Cosa.