D.I.D 520-ERT3 Gold Chain 120 Link
Prox Hour Meter With Wire
Regina RX3 Chain 520, 120 Link
Prox Hour Meter Wireless
Regina ZSE Chain 520, 120 Link
D.I.D 520 MX Gold-Black Chain Heavy Duty 120 Link
Renthal R1 Works Chain - 520 (118L)
D.I.D Chain 520-DZ2 Gold/Black 120 Link
RK Chain 520SO O-Ring - 520 (118L)
D.I.D Chain 520NZ 120 Link Black
D.I.D X-Ring Chain 520VX2 124 Link Black
Sunstar 520 Works MX Racing MXR1 Gold Chain