This #50 SK1 attachment roller chain has SK1 links spaced every 2nd pitch, which is a 1.250" spacing between attachments. The #50 SK1 attachment link has one straight tab with one hole. Nitro™ attachment roller chain is manufactured in a riveted construction for optimum strength.
Maintenance and lubrication is crucial in the overall performance and life span of roller chain. Proper lubrication will reduce abrasion, chain wear, friction, noise and keep chains running cooler at higher RPM's. You can download the Nitro Roller Chain Care below.
Different chain companies may use different identifications for attachments. Below is a quick reference chart for attachment link interchangeability to the Nitro™ attachments.
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