![Chain tensioner not doing its job... How do I adjust the chain tension on this Simplex derailleur? I worked in a bike shop in the 70's, adjusting this derailleur, but never had Chain tensioner not doing its job... How do I adjust the chain tension on this Simplex derailleur? I worked in a bike shop in the 70's, adjusting this derailleur, but never had](https://preview.redd.it/z4ei7c9scj451.jpg?auto=webp&s=bd67bafc7c93a7b76c2c40ec7a024349c7297007)
Chain tensioner not doing its job... How do I adjust the chain tension on this Simplex derailleur? I worked in a bike shop in the 70's, adjusting this derailleur, but never had
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MIEBA Chain Gap Adjustment for SRAM Chaingap Rear Derailleur Road, for Sram Chain gap Road/XPLR eTap AXS 26-44 : Amazon.co.uk: Sports & Outdoors
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B-Gap Tension Screw Adjustment: What It Is & Specs For Every Derailleur (SRAM, Shimano) | The Pro's Closet
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