Premium #60-4 Roller Chain Connecting Link (Master Link) BK28 Pulley and is supplied with a

and is supplied with a 1-15/16" bore with standard keyway and setscrews

06B21H sprockets with a stock bore comes with the standard 12 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

Sheave Weight: 30 LBS

This D120B12 sprocket is a durable

120CTB70 Sprocket Dimensions

Premium #60-4 Roller Chain Connecting Link (Master Link) BK28 Pulley and is supplied with aPremier series 60 4 connecting link is a ANSI Standard premium 60 4 connecting link that utilizes a spring clip or cotter pin design for fastening, if either or design is preferred please specify when ordering. 60 4 connecting links are also commonly referred to as #60 4 master links and are made for ANSI 60 4 roller chain, it is engineered to connect two ends of chain together or for making quick miscellaneous repairs. Premier Series connecting links