{"product_id":"bst-gp-tek-carbon-rear-wheel-aprilia-rsv4-rr-1100-factory","title":"BST GP TEK Carbon Rear Wheel Aprilia RSV4 \/ RR \/ 1100 Factory (2021–2026)","description":"\u003cp\u003eBuilt without compromise for racing, the BST GP TEK Carbon Rear Wheel is the definitive track weapon for Aprilia RSV4, RSV4 RR and RSV4 1100 Factory riders competing between 2021 and 2026. At just 2.4 kg without bearings and spacers, it slashes rotating mass to a minimum, delivering sharper acceleration, faster direction changes and measurably quicker lap times compared to any cast or forged alloy alternative.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExtreme low weight of 5.29 lbs \/ 2.4 kg (without bearings and spacers) reduces unsprung and rotating mass for immediate gains in acceleration and agility\u003c\/li\u003e\n\u003cli\u003ePre-preg carbon fibre rim construction offers the highest stiffness-to-weight ratio achievable in a production wheel\u003c\/li\u003e\n\u003cli\u003eCNC-machined 6082 T6 aluminium hubs deliver precision fitment and long-term dimensional stability under hard track use\u003c\/li\u003e\n\u003cli\u003eTitanium Grade 5 bolts, inserts and nuts throughout — maximum tensile strength at minimum weight penalty\u003c\/li\u003e\n\u003cli\u003eCarbon fibre inner spacers further reduce overall weight while reinforcing structural rigidity at the hub\u003c\/li\u003e\n\u003cli\u003eDOT E and JWL certified and approved for track use, providing verified load ratings and peace of mind at the limit\u003c\/li\u003e\n\u003cli\u003eBST Ultra-High-Speed 90° aluminium valve with cap included; 2-year manufacturer's warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRacing Application\u003c\/h2\u003e\u003cp\u003eThe GP TEK series represents BST's highest-specification wheel, conceived entirely around competition. Every component choice — from the pre-preg carbon layup to the titanium fasteners — exists to extract the last fraction of performance on circuit. The reduction in rotating mass has a disproportionate effect on acceleration and braking response: less energy is wasted spinning the wheel, meaning more of the RSV4's considerable power reaches the tarmac as forward motion. Riders contesting club sprints, trackdays or full race championships will feel the difference immediately.\u003c\/p\u003e\u003cp\u003eNote: GP TEK wheels are designed exclusively for motorsport and competition use. They are not intended for road use.\u003c\/p\u003e\u003ch2\u003eConstruction Detail\u003c\/h2\u003e\u003cp\u003eBST manufactures the GP TEK rim using aerospace-grade pre-preg carbon fibre, laid up in controlled conditions and cured under heat and pressure for a void-free, consistent structure. The hub is machined from 6082 T6 aluminium billet — a high-strength alloy chosen for its excellent fatigue resistance under repeated high-load cycling. Internal spacers are also carbon fibre, eliminating the weight and compliance of conventional aluminium or steel items. All fastener hardware is Titanium Grade 5 (Ti-6Al-4V), the same alloy used in MotoGP pit lanes worldwide.\u003c\/p\u003e\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\u003cp\u003eThis rear wheel is supplied in the standard OEM size. Other sizes are available on request. Confirmed fitment:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAprilia RSV4 (2021–2026)\u003c\/li\u003e\n\u003cli\u003eAprilia RSV4 RR (2021–2026)\u003c\/li\u003e\n\u003cli\u003eAprilia RSV4 R (2021–2026)\u003c\/li\u003e\n\u003cli\u003eAprilia RSV4 RF (2021–2026)\u003c\/li\u003e\n\u003cli\u003eAprilia RSV4 1100 Factory (2021–2026)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.29 lbs \/ 2.4 kg (without bearings and spacers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSizes available\u003c\/td\u003e\n\u003ctd\u003e6.0\" x 17\" | 6.25\" x 17\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim material\u003c\/td\u003e\n\u003ctd\u003ePre-preg carbon fibre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub material\u003c\/td\u003e\n\u003ctd\u003eCNC-machined 6082 T6 aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eTitanium Grade 5 bolts, inserts and nuts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner spacers\u003c\/td\u003e\n\u003ctd\u003eCarbon fibre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRadial load\u003c\/td\u003e\n\u003ctd\u003e283 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatic load\u003c\/td\u003e\n\u003ctd\u003e551 lbs \/ 250 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLateral load\u003c\/td\u003e\n\u003ctd\u003e720 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorsional load\u003c\/td\u003e\n\u003ctd\u003e1,043 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eDOT E, JWL — approved for track 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