{"product_id":"renthal-sprocket-rear-154u-tr113-520-cr125-83-07-cr250-84-07-cr500-85-01-crf250-450-02-26","title":"Renthal Rear Sprocket Ultralight 154U-520 - CR125 83-07, CR250 84-07, CR500 85-01, CRF250\/450 02-26","description":"\u003cp\u003eFitment:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eCR125 83-07, CR250 84-07, CR500 85-01, CRF250\/450 02-26\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRenthal's combination of a high strength base material and exceptionally hardwearing surface result in significantly increased chainwheel life over other brands.\u003c\/p\u003e\n\u003cp\u003eRenthal Ultralight™ rear chainwheels are manufactured to extremely tight tolerances from 7075 T6 aluminium alloy which is 66% lighter than steel, yet incredibly durable. Their advanced tooth profile, concentricity and accuracy of fit provide maximum power transfer and long-life.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eFactory Fit: Renthal Ultralight™ chainwheels are used by more factory motocross and supercross teams than any other chainwheel in the world\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eMaterial: High strength specially enhanced 7075 T6 aluminium alloy is used to create the perfect rear chainwheel, that is both lightweight, durable and strong.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eWeight: Designed to keep revolving un-sprung mass to an absolute minimum and power transfer at a maximum, Renthal Ultralight™ rear chainwheels are 66% lighter than steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eCNC machined: Each Ultralight™ Rear Chainwheel that leaves Renthal's engineering facilities in the UK is individually CNC machined to the tightest possible tolerances, ensuring an accurate and reliable fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eMud Grooves: Ultralight™ Rear Chainwheels feature Renthal's self cleaning mud groove technology between each tooth. This prevents mud build up that traditionally leads to quicker wearing components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003eColours: Ultralight Rear Chainwheels are available in 6 colours to help you personalise your setup. The available colours are Black, Blue, Red, Green, Orange and Tanium. The anodised surface finish provides an integral coating preventing corrosion. 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