{"product_id":"absolute-black-ospw-shimano-dura-ace-9100-ultegra-8000-ceramic-hollow-cage","title":"Absolute Black OSPW Shimano Dura-Ace 9100 \/ Ultegra 8000 Ceramic Hollow Cage","description":"\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAbsolute Black OSPW Shimano Dura-Ace 9100 \/ Ultegra 8000 Ceramic Hollow Cage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eOur revolutionary OSPW mono-plate design is the quietest, most efficient and most aerodynamic derailleur cage created to date. It's the dawn of a new era for rear derailleurs. The HOLLOWcage ® OSPW derailleur clevis has a carbon-polymer mono-plate construction with oversized ceramic bearings and the quietest pulleys ever created.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cstrong\u003eWhat makes the HOLLOWcage so special?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eSuper quiet: over 12 dB noise reduction compared to the original Dura-Ace clevis, a noise reduction of about 60%.\u003c\/li\u003e\n\u003cli\u003eThe gear change is as good as with the original Dura-Ace. HOLLOWcage® uses very high top pulley teeth, which gives the best possible shifting precision.\u003c\/li\u003e\n\u003cli\u003eIt is more aerodynamic than the original screed and other oversized cages.\u003c\/li\u003e\n\u003cli\u003eIt saves more watts than other screed.\u003c\/li\u003e\n\u003cli\u003eOne of the lightest oversize screed on the market.\u003c\/li\u003e\n\u003cli\u003eFirst single plate construction of its kind.\u003c\/li\u003e\n\u003cli\u003eSpecial rubber xring slings dampen the impact of the chain on the tensioner teeth, thus eliminating engagement noise.\u003c\/li\u003e\n\u003cli\u003eHOLLOWcage, unlike other screed cage systems, uses all-ceramic, custom-made, abnormally large bearings that make the screed incredibly stiff. The bottom bearing alone is actually large enough to hold an 11D pulley.\u003c\/li\u003e\n\u003cli\u003eThe bearing rings are made from 100% zirconium oxide ceramic and the balls from silicon nitride ceramic. The cage and seals are of course made of low friction polymer.\u003c\/li\u003e\n\u003cli\u003eThe adjustable spring tension allows you to adjust the cassette size and chain length to find the lowest possible tension.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSpecification\u003c\/strong\u003e:\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: 71g\u003c\/li\u003e\n\u003cli\u003eBottom ring color : Grey, red or gold\u003c\/li\u003e\n\u003cli\u003eCompatibility: Shimano Dura Ace 9100 \/ 9150 \/ 9170, Ultegra 8000 \/ 8050\u003c\/li\u003e\n\u003cli\u003eDesigned in England. Made in the EU\u003c\/li\u003e\n\u003cli\u003eSuitable for cassettes up to 32T\u003c\/li\u003e\n\u003cli\u003eMaterials used: Carbon fiber-polymer matrix, Aluminum 7075, Rubber, Ceramic\u003c\/li\u003e\n\u003cli\u003eBox includes: Complete cage, locking ring tool, 2 spare ring rubbers, 14 ml GRAPHENE lubricant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"absoluteBLACK","offers":[{"title":"Gold","offer_id":56690650743171,"sku":"RD5086 \/ B41 G5","price":249.99,"currency_code":"GBP","in_stock":true},{"title":"Titanium","offer_id":56690650775939,"sku":"RD5079 \/ B41 A1","price":249.99,"currency_code":"GBP","in_stock":true},{"title":"Red","offer_id":56690650808707,"sku":"RD5093 \/ B41 E1","price":249.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/0196\/4698\/files\/absolute-black-ospw-shimano-dura-ace-9100-ultegra-8000-ceramic-hollowcage-11s.jpg?v=1761144386","url":"https:\/\/sportandleisure.com\/products\/absolute-black-ospw-shimano-dura-ace-9100-ultegra-8000-ceramic-hollow-cage","provider":"Sport \u0026 Leisure","version":"1.0","type":"link"}