{"product_id":"bst-star-tek-carbon-rear-wheel-yamaha-yzf","title":"BST STAR TEK Carbon Rear Wheel – Yamaha YZF-R1\/M RN32, RN49 \u0026 RN65 (2015–2026)","description":"\u003cp\u003eWhen milliseconds separate podium finishes from also-rans, reducing rotating mass at the rear wheel is one of the highest-value upgrades you can make to a Yamaha YZF-R1 or R1M. The BST STAR TEK carbon rear wheel slashes unsprung and rotational weight through a full monocoque Prepreg-carbon construction paired with the BST Ultra-High-Speed aluminium spider — delivering explosive drive out of corners, sharper deceleration and a level of chassis agility that no aluminium rim can match.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDramatically reduced rotating mass: monocoque Prepreg-carbon shell cuts rear wheel weight to approximately 2.2–2.75 kg depending on specification, transforming acceleration and braking response.\u003c\/li\u003e\n\u003cli\u003eCRBNX carbon technology combined with the BST Ultra-High-Speed aluminium spider provides uncompromising stiffness and lateral stability at race speeds.\u003c\/li\u003e\n\u003cli\u003eTÜV-approved and JASO-compliant: every wheel is CT-scanned, individually certified and ISO-quality-assured before it leaves the factory.\u003c\/li\u003e\n\u003cli\u003eRated to a maximum load of 280 kg — engineered for the demands of both road and track use.\u003c\/li\u003e\n\u003cli\u003eWide finish choice: standard gloss exposed carbon, satin, matte, Forged-Carbon finish, seven Solid colours (White, Red, Blue, Green, Orange, Silver) and seven Candy colours.\u003c\/li\u003e\n\u003cli\u003eTwo-year manufacturer warranty included as standard.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eEngineering \u0026amp; Build Quality\u003c\/h2\u003e\u003cp\u003eBST constructs each STAR TEK wheel as a single monocoque unit in high-strength Prepreg carbon. Unlike hybrid designs that bond separate carbon and alloy sections, the monocoque shell eliminates joint stress concentrations and keeps the structure as light and stiff as the material allows. CRBNX technology — BST's proprietary carbon layup programme — optimises fibre orientation specifically for the torsional and radial loads a rear wheel encounters under hard acceleration, braking and lean. The aluminium spider is machined to Ultra-High-Speed tolerances, ensuring perfect rotational balance straight out of the box.\u003c\/p\u003e\u003ch2\u003eSafety \u0026amp; Testing\u003c\/h2\u003e\u003cp\u003eBST subjects every STAR TEK wheel to a testing regime that goes well beyond road-legal minima. Each unit passes 1,000,000 cycles of combined bending and torsion tests, 6,000 km of radial load endurance, and a radial impact test with retained air pressure validation. A 100% visual inspection is followed by a CT scan of each individual wheel — meaning no internal voids, delaminations or anomalies can reach the customer. The result is a wheel that carries TÜV approval and meets JASO standards with confidence.\u003c\/p\u003e\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\u003cp\u003eThis rear wheel is a direct-fit replacement for the following Yamaha models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eYamaha YZF-R1 RN32 (2015–2019)\u003c\/li\u003e\n\u003cli\u003eYamaha YZF-R1M RN32 (2015–2019)\u003c\/li\u003e\n\u003cli\u003eYamaha YZF-R1 RN49 (2020–2023)\u003c\/li\u003e\n\u003cli\u003eYamaha YZF-R1M RN49 (2020–2023)\u003c\/li\u003e\n\u003cli\u003eYamaha YZF-R1 RN65 (2024–2026)\u003c\/li\u003e\n\u003cli\u003eYamaha YZF-R1M RN65 (2024–2026)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable with steel bearings or ceramic bearings — select your preference at checkout. If you are unsure which bearing specification suits your use case, our team is happy to advise.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e6.0\" x 17\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eapprox. 2.2–2.75 kg (depending on specification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eMonocoque Prepreg carbon (CRBNX technology)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpider\u003c\/td\u003e\n\u003ctd\u003eBST Ultra-High-Speed aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum load rating\u003c\/td\u003e\n\u003ctd\u003e280 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish options\u003c\/td\u003e\n\u003ctd\u003eGloss, Satin-Matte, Forged-Carbon, Solid (5 colours), Candy (7 colours)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearing options\u003c\/td\u003e\n\u003ctd\u003eSteel or ceramic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eTÜV-approved, JASO-compliant, ISO-certified, CT-scanned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"BST","offers":[{"title":"Stahllager \/ Gloss","offer_id":53168283517194,"sku":null,"price":2967.86,"currency_code":"EUR","in_stock":true},{"title":"Stahllager \/ Satin-Matte Finish","offer_id":53168283549962,"sku":null,"price":3176.11,"currency_code":"EUR","in_stock":true},{"title":"Stahllager \/ Forged-Carbon 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