The BETA PISTON RING SET D=100MM (OEM 006.02.153.80.00) is the original Beta Crankshaft/Piston/Balancer Shaft component for the RR 480 4T, RR 480 4T RACING, RR 480 4T X-PRO, RR 498 4T, RR 498 4T RACING, RR 525 4T (2010–2027). It keeps your Beta performing exactly as the factory intended. Replace it as part of normal maintenance or after we...