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Ronstan Series 40 BB Orbit Block, Fiddle, Cleat, Link Head

$72.21 $144.41

RF45521%3A%20SERIES%2040%20BALL%20BEARING%20ORBIT%20BLOCK%26trade%3B%2C%20FIDDLE%20WITH%20CLEAT%20AND%20DYNEEMA%26reg%3B%20LINK%20HEADLightweight%20Fiddle%20block%20with%20adjustable%20cleat%0D%0AFEATURES%0D%0A%0D%0AUltra%20Lightweight.%0D%0ALow%20friction

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RF45521%3A%20SERIES%2040%20BALL%20BEARING%20ORBIT%20BLOCK%26trade%3B%2C%20FIDDLE%20WITH%20CLEAT%20AND%20DYNEEMA%26reg%3B%20LINK%20HEADLightweight%20Fiddle%20block%20with%20adjustable%20cleat%0D%0AFEATURES%0D%0A%0D%0AUltra%20Lightweight.%0D%0ALow%20friction%202-stage%20Orbital%20ball%20bearing%20system.%0D%0AHighest%20working%20load%20in%20its%20class.%0D%0ALow%20profile%20and%20compact.%0D%0AHigh%20performance%20cleating%0D%0AComposite%20C-Cleat%26trade%3B%20and%20fairlead.%0D%0AConvert%20to%20a%20becket%20version%20by%20adding%20a%20Dyneema%26reg%3B%20link.%0D%0A%0D%0ASPECIFICATIONS%0D%0A%0D%0ASheave%20diameter%20(mm)%2040%20%2B%2022%0D%0AB.L.%20(kg)%20700%0D%0AM.W.L.%20(kg)%20325%0D%0AMax.%20Rope%20diameter%20(mm)%209%0D%0AWeight%20(g)%20108%0D%0ANotes%3A%20Line%20load%20through%20cleat%20not%20to%20exceed%20125kg%20(275lb).%20Small%20fiddle%20block%20sheave%20has%20a%20high%20load%20full%20contact%20bearing%20(i.e.%20not%20ball%20bearing).%20Main%20sheave%20has%202-stage%2C%20ball%20bearing.%0D%0A%0D%0APRODUCT%20INFORMATION%0D%0ALightweightKilogram%20for%20kilogram%20of%20working%20load%2C%20ball%20bearing%20and%20ratchet%20Orbit%20Blocks%26trade%3B%20are%20the%20world%26rsquo%3Bs%20lightest.%20The%20unique%20orbital%20design%20allows%20the%20bearing%20to%20only%20be%20in%20the%20active%20areas%20of%20the%20floating%20sheave.%20This%20minimises%20the%20mass%20of%20the%20inactive%20return%20race%20and%20hub.%20Weight%20and%20bulk%20are%20further%20reduced%20in%20the%20different%20block%20configurations.%20The%20ball%20bearing%20single%20and%20becket%20block%20has%20a%20through-sheave%20becket%20arrangement.%20The%20result%3F%20The%20lowest%20weight%20possible.%20Multi-sheave%20blocks%20have%20only%20single%20intermediate%20cheeks%20and%20an%20ultra-light%20and%20efficient%20head%20arrangement.%20This%20gives%20a%2030%25%20weight%20saving%20advantage%20over%20the%20nearest%20competitor.%20Other%20brands%20just%20link%20together%20their%20single%20blocks.%20This%20results%20in%20unnecessary%20double%20cheeks%20between%20each%20sheave%2C%20held%20together%20by%20a%20heavy%20steel%20channel%20across%20the%20top%20of%20the%20block.%0D%0AHighest%20working%20load%20in%20its%20classThe%20orbital%20ball-bearing%20arrangement%20gives%20the%20largest%20possible%20bearing%20race%20diameter.%20This%20maximises%20load%20performance.%20The%20proven%20Ronstan%202-stage%20bearing%20system%20features%20high%20compression%20grade%20acetal%20ball%20bearings%20and%20a%20secondary%20full-contact%20bearing.%20This%20gives%20minimum%20friction%20across%20the%20full%20working%20load%20range.%20The%20floating%20sheave%20and%20bearing%20system%20is%20supported%20by%20a%20fibre-reinforced%20load%20frame.%20The%20design%20was%20computer%20modelled%20to%20be%20stress%20optimised.%0D%0ADyneema%26reg%3B%20link%20specialtiesTo%20gain%20peak%20performance%2C%20we%20engineered%20out%20the%20heavy%20steel%20load%20straps%2C%20head%20post%2C%20shackle%2C%20full-length%20fasteners%2C%20and%20cleating%20accessories.%20Through%20extensive%20research%20and%20development%2C%20we%20replaced%20virtually%20all%20metal%20components%20with%20high-tech%20polymers%20and%20fibre%20equivalents%20The%20Dyneema%26reg%3B%20Link%20is%20produced%20from%20Robline%20SK75%20fibre%2C%20which%20is%2010%20times%20stronger%20and%20lighter%20than%20steel%2C%20and%20provides%20the%20final%20connection%20from%20the%20block%20to%20the%20load%20point.%20The%20flexible%20Dyneema%26reg%3B%20Link%20provides%20controlled%20rotation%20and%200%26deg%3B%20or%2090%26deg%3B%20orientation.%20It%20connects%20directly%20to%20the%20head%20of%20the%20block%20rather%20than%20to%20an%20intermediate%20head%20post.%20This%20reduces%20weight%20and%20gives%20the%20lowest%20possible%20profile%20while%20allowing%20full%20articulation.%20Beckets%20have%20been%20carefully%20designed%20to%20minimise%20height%20It%20is%20easily%20fitted%20and%20is%20retained%20securely%20by%20a%20moulded%20retainer%20clip.%20The%20flexible%20link%20can%20be%20left%20with%20one%20end%20attached%20to%20the%20block%20when%20fitting%20-%20no%20more%20lost%20shackle%20pins%20The%20system%20is%20compatible%20with%20Dyneema%26reg%3B%20Spectra%20strops%2C%20webbing%20and%20carbon%20connection%20points%20-%20much%20more%20so%20than%20steel%20loop%20tops%20or%20shackles.%0D%0AHigh%20performance%20cleatingBoth%20Ronstan%20BB%20and%20RT%20Orbit%20Blocks%26trade%3B%20feature%20strong%2C%20lightweight%20fibre-reinforced%20cleat%20arms.%20They%20have%20a%20wide%20range%20of%20adjustment%20and%20calibration%20marks%2C%20perfect%20for%20selecting%20your%20preferred%20cleating%20angle%20settings.%20The%20race-proven%20carbon-fibre%20reinforced%20Ronstan%20C-Cleat%26trade%3B%20give%20secure%20rope%20holding%20with%20low%20entry%20and%20exit%20efforts%2C%20and%20are%20fitted%20with%20fairleads%20for%20fast%20action%20from%20any%20angle.%0D%0AAPPLICATIONS%0D%0A%0D%0AMainsheet%20systems%20and%20spinnaker%20sheets%20on%20dinghies%20to%2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