XAM 420AO O-Ring Chain (124L) with Clip Link Yamaha DIAMETER OF DISC approx 130mm

DIAMETER OF DISC approx 130mm DIAMETER OF CENTRE HOLE approx 47mm DISTANCE OF NEAREST MOUNTING HOLE (CENTRE HOLE TO CENTRE HOLE) approx 29mm

04mm increments with 3 shims in each size

1 Brake Fluid when specified

5 is both ECE and DOT-certified

XAM 420AO O-Ring Chain (124L) with Clip Link Yamaha DIAMETER OF DISC approx 130mmXAM X Ring chains have X shaped seals and improved metallurgy giving you 7 times longer wearlife than standard O Ring chains. Viewed in cross section the X Ring has two lubrication pools and contact lips versus the single contact design of a standard O Ring chain. Giving the chain a longer life gives you more value for your money. Chain Length is 124 Links