{"product_id":"melvin-chain-tensioner","title":"Melvin Chain Tensioner","description":"\u003cp\u003ePaul Components Melvin Chain Tensioner. Converts frames for single speed use. Long enough for a Dingle-setup, (2 rings, one cog) 20T max.\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eThe Melvin uses two pulleys, just like a rear derailleur, which gives it 20 teeth of chain wrap\u003c\/li\u003e\n\u003cli\u003eWill work with multiple front chain rings while maintaining proper chain tension\u003c\/li\u003e\n\u003cli\u003eThe pulleys are made of extruded and machined aluminum and have sealed bearings for durability\u003c\/li\u003e\n\u003cli\u003ePulleys are 2.25mm thick at the tooth which fits inside most narrow 6 through 9 speed chains, and the pulley cage is wide enough to allow 1\/8″ single speed chains as well\u003c\/li\u003e\n\u003cli\u003eLong enough for a Dingle-setup, (2 rings, one cog)  20T max\u003c\/li\u003e\n\u003cli\u003eDo not use with a coaster brake or fixed gear\u003c\/li\u003e\n\u003cli\u003eIncludes Paul's own Sealed Bearing Pulleys\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Paul Component Engineering","offers":[{"title":"Black","offer_id":46704501063928,"sku":"200BLACK","price":161.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":46704501096696,"sku":"200SILVER","price":161.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0357\/3930\/4074\/files\/CH8800.jpg?v=1770254991","url":"https:\/\/shopbikesupply.com\/products\/melvin-chain-tensioner","provider":"Sierra Bicycle Supply","version":"1.0","type":"link"}