For high powered sport bikes.
 
 - Ultra-reinforced chain with low friction X-Ring
- Connecting links included 
 
JT Chain Drive products
 
HDR: Standard reinforced chain for 50cc and Trail/Cross smaller engine 
HDS: Highly reinforced for MX, exceptionnal wear resistance
X1R: For MX, Enduro and trail application, low friction X-Ring chain
Z1R: For high powered sport bikes, ultra-reinforced chain with low friction X-Ring