{"product_id":"shimano-alfine-sg-s7051-di2-8-speed-internal-hub-gear-with-centre-lock-disc-compatibility","title":"Shimano Alfine SG-S7051 Di2 8-Speed Internal Hub Gear with Centre-Lock Disc Compatibility","description":"\u003cp\u003eThe Shimano SG-S7051 Alfine Di2 Internal Hub Gear offers an advanced 8-speed internal gear system designed for smooth, reliable performance. Featuring needle bearings, this hub ensures enhanced durability and exceptional drive efficiency. Its top normal internal structure improves shifting tolerance, allowing seamless gear changes even under load. The hub’s labyrinth seals provide superior protection against dirt and moisture, significantly extending its service life.\u003c\/p\u003e\n\n\u003cp\u003eWith pedal-assisted downshifting, the Alfine hub delivers fast, precise shifts with an incredibly light feel. The double roller clutch engagement further contributes to a quieter, smoother gear change experience. Engineered with Shimano’s renowned precision, this internal gear hub is optimized for efficiency and is compatible with centre-lock disc rotors. The 135 mm O.L.D. spacing ensures easy integration with a variety of bike frames.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReliable and durable internal gear shifting under various riding conditions\u003c\/li\u003e\n  \u003cli\u003eSmooth and quiet gear changes with minimal effort\u003c\/li\u003e\n  \u003cli\u003eExtended hub lifespan thanks to advanced sealing and bearing technology\u003c\/li\u003e\n  \u003cli\u003eCompatibility with centre-lock disc rotors for versatile braking options\u003c\/li\u003e\n  \u003cli\u003eEfficient power transfer enabled by Shimano’s precise engineering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse on bikes requiring more than 8 speeds\u003c\/li\u003e\n  \u003cli\u003eFrames that do not support 135 mm O.L.D. spacing\u003c\/li\u003e\n  \u003cli\u003eApplications where external gear systems are preferred for easier maintenance\u003c\/li\u003e\n  \u003cli\u003eRiders seeking ultra-lightweight components for competitive racing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this hub compatible with all bike frames?\u003c\/strong\u003e\u003cbr\u003eIt requires frames that support 135 mm O.L.D. spacing and centre-lock disc rotor mounts for proper installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the Di2 system improve shifting?\u003c\/strong\u003e\u003cbr\u003eThe electronic Di2 system enables precise and fast gear changes, reducing shifting effort and increasing reliability even under load.\u003c\/p\u003e","brand":"Shimano Alfine","offers":[{"title":"36h \/ Silver","offer_id":45506731802799,"sku":"SGS70518AS","price":80.98,"currency_code":"GBP","in_stock":false},{"title":"32h \/ Silver","offer_id":45506731835567,"sku":"SGS70518BS","price":215.99,"currency_code":"GBP","in_stock":false},{"title":"36h \/ Black","offer_id":45506731868335,"sku":"SGS70518AL","price":226.2,"currency_code":"GBP","in_stock":true},{"title":"32h \/ Black","offer_id":45506731901103,"sku":"SGS70518BL","price":80.98,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1467724681-90516900.jpg?v=1768526161","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-alfine-sg-s7051-di2-8-speed-internal-hub-gear-with-centre-lock-disc-compatibility","provider":"Swinnerton Cycles","version":"1.0","type":"link"}