All new patented design
Increased the size and protection of the rear guide for even greater long term durability than solid body design
All components are 100% replaceable
Used by the 08-09 SHOCK DOCTOR / MUSCLE MILK race team in USA and Europe
Molded from T.M. Designworks advanced oil impregnated polymer material for low surface drag and less chain plate wear
Accepts up to 3 teeth oversized rear sprockets
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