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Products //RK Racing Chain & Sprocket


RK520XSO

Product code:  XSO


Guest Info:
XSO series  -
 
 
Excellent Life Road Chain (RX-ring)
 
XSO chain is intermediate grade of RK road chain, assembled with “RX-ring” feature an X-ring shaped seal. Viewed in cross-section, the “RX-ring” has two lubrication pools and seal points versus the single seal point/pool design of a regular o-ring chain. “RX-ring” technology offers less torsional friction, increased high-stress performance, and a 50% longer wear life compared to standard o-ring chains.
 
 
What is O - Ring / RX Ring / and Etc Vs the time. 
 
 

 

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