{"product_id":"chaser-6-ultra-g2-super-lightweight-centerlock-disc-brake-rotor-140-160mm","title":"CHASER 6-Ultra G2 Super Lightweight Centerlock Disc Brake Rotor","description":"\u003cdiv class=\"markdown markdown-main-panel stronger enable-updated-hr-color\" id=\"model-response-message-contentr_615b3315d1de4167\" aria-live=\"polite\" aria-busy=\"false\" dir=\"ltr\"\u003e\n\u003cp data-path-to-node=\"0\"\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"0\"\u003eChaser Sports 6-Ultra G2 Super Lightweight CenterLock Disc Brake Rotor\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"1\"\u003eThe all-new 6-Ultra G2 represents the next generation of ultra-lightweight disc braking, meticulously engineered for competitive road and gravel racing. By combining a redesigned, wider friction layout with an optimised central spider structure, it delivers phenomenal weight savings alongside elite-tier thermal management and mechanical stopping power.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"2\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eFit:\u003c\/b\u003e CenterLock wheelsets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eMaterial Matrix:\u003c\/b\u003e Premium Alu7075-T651 aluminium alloy carrier structure with a premium SUS420 stainless steel braking surface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eTechnology:\u003c\/b\u003e Full CNC machining, variable heat-treatment processing, flattening machine levelling, and fine manual calibration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eHardware:\u003c\/b\u003e Upgraded hollow titanium alloy floating rivets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eWeight Profile:\u003c\/b\u003e 140mm: 78.5g | 160mm: 89.2g.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,5,0\"\u003e\u003cb data-path-to-node=\"3,5,0\" data-index-in-node=\"0\"\u003eThermal Limit:\u003c\/b\u003e Thermal deformation temperature stability up to 500°C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"5\"\u003eWeight Comparison Table\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eThe 6-Ultra G2 clears a significant amount of rotating mass compared to premier stock racing rotors on the market:\u003c\/p\u003e\n\u003ctable data-path-to-node=\"7\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotor Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePremium Shimano Weight (MT900)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eChaser 6-Ultra G2 Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Rotating Weight Saved\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,1,0,0\"\u003e\u003cb data-path-to-node=\"7,1,0,0\" data-index-in-node=\"0\"\u003e140mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,1,1,0\"\u003e88g\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,1,2,0\"\u003e\u003cb data-path-to-node=\"7,1,2,0\" data-index-in-node=\"0\"\u003e78.5g\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,1,3,0\"\u003e\u003cb data-path-to-node=\"7,1,3,0\" data-index-in-node=\"0\"\u003e-9.5g\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,2,0,0\"\u003e\u003cb data-path-to-node=\"7,2,0,0\" data-index-in-node=\"0\"\u003e160mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,2,1,0\"\u003e108g\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,2,2,0\"\u003e\u003cb data-path-to-node=\"7,2,2,0\" data-index-in-node=\"0\"\u003e89.2g\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,2,3,0\"\u003e\u003cb data-path-to-node=\"7,2,3,0\" data-index-in-node=\"0\"\u003e-18.8g\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"9\"\u003e\u003c\/h3\u003e\n\u003ch3 data-path-to-node=\"9\"\u003eLab-Tested Structural Integrity \u0026amp; Torsion Resistance\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eThe central bracket configuration of the 6-Ultra G2 has been repeatedly refined and validated through advanced Finite Element Analysis (FEA) simulations to eliminate any vulnerability under heavy loads.\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003eIn machine-driven test cells, the design successfully mastered 10,000 torsion fatigue cycles at a demanding 80–120 Nm rating. Ultimate failure lab testing proved that its peak destruction threshold hits an incredible 283 Nm to 284 Nm—representing a massive 45% improvement in structural integrity over the previous generation design.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eRedesigned Friction Interface \u0026amp; Thermal Stability\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eThe braking surface undergoes multiple precision heat-treatment cycles to enhance surface hardness, mechanical strength, and heat rejection. The friction path has been completely redesigned to deliver a 30% larger pad contact area than its predecessor.\u003c\/p\u003e\n\u003cp data-path-to-node=\"15\"\u003eCapable of managing extreme temperatures up to 500°C without warping or experiencing severe fade, this rotor provides dependable, linear deceleration even under the heavy kinetic energy generated by stopping a 100 kg rider mass from 60 km\/h to zero in 5 seconds flat.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"17\"\u003eReal-Road Calibration \u0026amp; Maintenance Guidelines\u003c\/h3\u003e\n\u003cp data-path-to-node=\"19\"\u003eTo minimise rotor rub and ensure exceptionally quiet performance, the runout tolerances are tightly managed via automated flattening machinery backed by manual calibration. The final production spec has been heavily verified through extensive over-the-road testing by more than 10 professional field testers and racing riders.\u003c\/p\u003e\n\u003cul data-path-to-node=\"20\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,0,0\"\u003e\u003cb data-path-to-node=\"20,0,0\" data-index-in-node=\"0\"\u003ePad Recommendation:\u003c\/b\u003e For elite-level, noise-free performance and consistent bite characteristics, high-performance metal brake pads (such as Shimano L04C) are highly recommended.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,1,0\"\u003e\u003cb data-path-to-node=\"20,1,0\" data-index-in-node=\"0\"\u003eSafety Wear Limits:\u003c\/b\u003e To ensure safe operation, always verify that the disc thickness stays safely above 1.4 mm, and that the brake pad compound measures above 0.5 mm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"22\"\u003eIn The Box\u003c\/h3\u003e\n\u003cul data-path-to-node=\"23\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"23,0,0\"\u003e1 x Chaser Sports 6-Ultra G2 CenterLock Disc Brake Rotor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"23,0,0\"\u003e\u003ci data-path-to-node=\"23,1,0\" data-index-in-node=\"0\"\u003e(Note: CenterLock lock ring\/cover is not included and must be sourced separately)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"My Store 2","offers":[{"title":"Celeste \/ 140mm","offer_id":56116745896276,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Celeste \/ 160mm","offer_id":56116745929044,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Blue \/ 140mm","offer_id":56116745961812,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Blue \/ 160mm","offer_id":56116745994580,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Red \/ 140mm","offer_id":56116746027348,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Red \/ 160mm","offer_id":56116746060116,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 140mm","offer_id":56116746092884,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Green \/ 160mm","offer_id":56116746125652,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Silver \/ 140mm","offer_id":56116746158420,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Silver \/ 160mm","offer_id":56116746191188,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 140mm","offer_id":56116746223956,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 160mm","offer_id":56116746256724,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Purple \/ 140mm","offer_id":56116746289492,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Purple \/ 160mm","offer_id":56116746322260,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Gold \/ 140mm","offer_id":56116746355028,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Gold \/ 160mm","offer_id":56116746387796,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Pink \/ 140mm","offer_id":56116746420564,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"Pink \/ 160mm","offer_id":56116746453332,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1040\/4918\/1012\/files\/6-ULTRA_G2.webp?v=1781547103","url":"https:\/\/bikeexpress.co.uk\/products\/chaser-6-ultra-g2-super-lightweight-centerlock-disc-brake-rotor-140-160mm","provider":"BIKE EXPRESS UK","version":"1.0","type":"link"}