D.I.D's VX Series boasts a much longer chain life than the VO Series due to the patented X-Ring technology. The 520VX3 has a 32% longer chain life than the 520VO and the 525 and 530VX3 has a 41% longer chain life! The VX chain series showcases the industry-leading, patented X-Ring seal technology, which leads to extended chain life, minimal friction, and overall amazing performance.
Official UK Distributor
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