Reverse Aluminum Pulley Set For Colab Chain Tensioner Purple MFPN=BBT476830SSN Features Burley's patented hitch system

Features Burley's patented hitch system with ball-bearing guided pivots providing excellent handling and stability

NILIT® Breeze yarns react to body heat and sweat

Shimano Di2 Frame Grommet KitFor internally routing SD50 E-tube wires

Chainline/Hub Compatibility 141/148 Boost Hubs Defined Color Red Direct Mount Type Direct Mount CINCH Material Aluminum Offset 3 Ring Position/Type Chain Retaining Single Ring Round or Oval Oval Tooth Count 32

Make every effort count with the standard tension road cleat

Reverse Aluminum Pulley Set For Colab Chain Tensioner Purple MFPN=BBT476830SSN Features Burley's patented hitch systemReplaces oringal pulley wheels on the Reverse Colab Tensioner Features sealed ball bearings Compatible with 9 10 11 speed chains Model Aluminum Pulley set Compatible Colab Chain Tensioner Color Purple