eNVy Chaingang - ultimate chain guide system

•available in ISCG or BB mounting
•new reinforced arms
•durable polymer roller keeps chain in check
•new upper guide for increased performance
•3 point protection ensures near flawless performance
•18-8 stainless steel hardware
•ultra adjustable
•complete unit includes an eNVy Double E & Ring Thing
•sizing: FR (30-36t), DS (38-40t), DH (42-44t)