[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-654156-105":59,"doc-detail-654156-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","nexus-dealers-manual-sg-3r40-installation-and-adjustment","Nexus - Dealer's Manual - SG-3R40 - Installation and Adjustment","","Dealer’s manual for the SHIMANO Nexus series, covering multiple internal gear hub models including SG-3R40 and related variants. Provides safety-focused instructions for professional bicycle mechanics, warns against unclear or untrained installation, and directs users to read included manuals and observe regional dealer regulations. The document outlines tools, installation procedures for lever and hub types, adjustment steps for bell cranks and cassette joints, and maintenance tasks such as shifting cable and RAPIDFIRE PLUS cover replacement plus internal oil servicing.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/nexus-dealers-manual-sg-3r40-installation-and-adjustment/654156/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/nexus-dealers-manual-sg-3r40-installation-and-adjustment/654156.png","ImageObject",300,407,{"name":92,"@type":93},"BigDaveOnline","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-25",true,{"@type":102,"interactionType":103,"userInteractionCount":39},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"Who is this dealer’s manual intended for, and who should not attempt installation?","Question",{"text":112,"@type":113},"It is intended primarily for professional bicycle mechanics. Users without professional training for bicycle assembly should not install components themselves using the manual.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What safety precautions must be followed during installation and maintenance?",{"text":117,"@type":113},"Follow the instructions in the product instruction manuals, use genuine SHIMANO parts, wear safety glasses or goggles for maintenance tasks, and read the dealer’s manual thoroughly before use.",{"name":119,"@type":110,"acceptedAnswer":120},"How does the manual address correct braking lever mode selection?",{"text":121,"@type":113},"It states the brake levers include a mode-switching mechanism compatible with different brake types. Selecting the incorrect mode can cause excessive or insufficient braking force, so the mode must match the table instructions.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},654156,1793029948,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":39,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},962090896214,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Dealer's Manual  \n| ROAD | MTB | Trekking |\n| --- | --- | --- |\n| City Touring/ Comfort Bike | URBAN SPORT | E-BIKE |\n\nNexus  \nSG-3R40  \nSG-3R45  \nSG-3R75  \nSG-3R75-A  \nSG-3R75-B  \nSG-3D55  \nSG-3C41  \nSL-3S35-E  \nSL-3S41-E  \nSL-3S42-E  \nSL-C2010-3  \nSM-BC03  \nSM-BC04  \nSM-BC06  \nCJ-NX40  \nCONTENTS  \nIMPORTANT NOTICE.............................................................................................. 3  \nTO ENSURE SAFETY............................................................................................... 4  \nLIST OF TOOLS TO BE USED.................................................................................. 8  \nINSTALLATION ..................................................................................................... 10  \nInstallation of the lever ............................................................................................................................. 10  \nInstallation of the bell crank type hub ..................................................................................................... 12  \nInstallation of the cassette joint type hub................................................................................................30  \nADJUSTMENT ...................................................................................................... 40  \nFor bell cranks ............................................................................................................................................40  \nFor cassette joints .......................................................................................................................................42  \nMAINTENANCE .................................................................................................... 44  \nReplacement of the shifting cable ............................................................................................................44  \nReplacement of the cover (RAPIDFIRE PLUS) ............................................................................................48  \nOil maintenance of the internal assembly................................................................................................49  \nIMPORTANT NOTICE  \nIMPORTANT NOTICE  \n• This dealer’s manual is intended primarily for use by professional bicycle mechanics.  \nUsers who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the dealer’s manuals. If any part of the information on the manual is unclear to you, do not proceed with the installation. Instead, contact your place of purchase or a local bicycle dealer for their assistance.  \n• Make sure to read all instruction manuals included with the product.  \n• Do not disassemble or modify the product other than as stated in the information contained in this dealer’s manual.  \n• All manuals and technical documents are accessible online at [https://si.shimano.com](https://si.shimano.com).  \n• For consumers who do not have easy access to the internet, please contact a SHIMANO distributor or any of the SHIMANO offices to obtain a hardcopy of the User's Manual.  \n• Please observe the appropriate rules and regulations of the country, state or region in which you conduct your business as a dealer.  \nFor safety, be sure to read this dealer’s manual thoroughly before use, and follow it for correct use.  \nThe following instructions must be observed at all times in order to prevent personal injury and physical damage to equipment and surroundings. The instructions are classified according to the degree of danger or damage which may occur if the product is used incorrectly.  \nDANGER  \nFailure to follow the instructions will result in death or serious injury.  \nWARNING  \nFailure to follow the instructions could result in death or serious injury.  \nCAUTION  \nFailure to follow the instructions could cause personal injury or physical damage to equipment and surroundings.  \nTO ENSURE SAFETY  \nTO ENSURE SAFETY  \nWARN","cbCaioSmn3mCXWC0","https://ap.wps.com/l/cbCaioSmn3mCXWC0","pdf",2223546,52,"English","# IMPORTANT NOTICE\n## TO ENSURE SAFETY\n# LIST OF TOOLS TO BE USED\n# INSTALLATION\n## Installation of the lever\n## Installation of the bell crank type hub\n## Installation of the cassette joint type hub\n# ADJUSTMENT\n## For bell cranks\n## For cassette joints\n# MAINTENANCE\n## Replacement of the shifting cable\n## Replacement of the cover (RAPIDFIRE PLUS)\n## Oil maintenance of the internal assembly","[{\"question\":\"Who is this dealer’s manual intended for, and who should not attempt installation?\",\"answer\":\"It is intended primarily for professional bicycle mechanics. Users without professional training for bicycle assembly should not install components themselves using the manual.\"},{\"question\":\"What safety precautions must be followed during installation and maintenance?\",\"answer\":\"Follow the instructions in the product instruction manuals, use genuine SHIMANO parts, wear safety glasses or goggles for maintenance tasks, and read the dealer’s manual thoroughly before use.\"},{\"question\":\"How does the manual address correct braking lever mode selection?\",\"answer\":\"It states the brake levers include a mode-switching mechanism compatible with different brake types. Selecting the incorrect mode can cause excessive or insufficient braking force, so the mode must match the table instructions.\"}]","Nexus - Dealer's Manual - SG-3R40 - Installation and Adjustment | PDF",1792910357,131]