{"product_id":"sitta-aluminium-rear-sprocket-suzuki-gsx-r-600-750-37-48","title":"Sitta Aluminium Rear Sprocket for Suzuki GSX-R 600 \u0026 750 (2011-2016) – 37-48 Teeth, 520 Pitch (201M)","description":"\u003cp\u003eCrafted from precision-machined aluminium and offered in eight distinctive anodised finishes, the Sitta 201M rear sprocket is where considered engineering meets real aesthetic intent. Designed specifically for the Suzuki GSX-R 600 and GSX-R 750 from 2011 to 2016, this sprocket brings Sitta's long-standing drivetrain heritage to one of the most celebrated middleweight supersports ever built.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUltralight aluminium construction weighing just 350 g at size 45, reducing unsprung and rotating mass for sharper throttle response\u003c\/li\u003e\n\u003cli\u003eAvailable in 37 to 48 teeth across 520 pitch, giving you complete control over your final drive ratio for both track and road use\u003c\/li\u003e\n\u003cli\u003eEight anodised colour options — silver, black, hard-anodised, blue, red, orange, gold and green — each a genuine finish, not a coating\u003c\/li\u003e\n\u003cli\u003eHard-anodised variant offers superior surface hardness and wear resistance compared to standard anodising, extending sprocket life under sustained high loads\u003c\/li\u003e\n\u003cli\u003e110\/130 6-bolt sprocket carrier fitment ensures accurate alignment and straightforward installation without modification\u003c\/li\u003e\n\u003cli\u003ePrecision CNC machining guarantees consistent tooth profile for smooth, efficient power transfer and reduced chain wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDesign, Finish and Heritage\u003c\/h2\u003e\u003cp\u003eSitta has been manufacturing drivetrain components for performance motorcycles for decades, and the 201M reflects that accumulated knowledge in every detail. The aluminium billet is machined to close tolerances, producing a tooth profile that engages your chain cleanly from cold starts through to sustained high-speed running. Each colour variant is anodised rather than painted, meaning the finish penetrates the aluminium surface rather than sitting on top of it — the result is a component that stays looking purposeful long after lesser sprockets have faded or flaked.\u003c\/p\u003e\u003cp\u003eThe hard-anodised option takes this further still. By deepening the oxidation layer, it achieves a surface hardness that measurably outperforms standard anodising, making it the first choice for riders who cover serious mileage or spend extended time on track. Yet even the standard anodised finishes — from the understated silver to the vivid orange and gold — bring a level of visual intention rarely seen on a drivetrain component.\u003c\/p\u003e\u003ch2\u003eGearing Strategy: Choosing Your Tooth Count\u003c\/h2\u003e\u003cp\u003eThe 201M's range of 37 to 48 teeth gives GSX-R riders genuine flexibility to tailor the bike's character to their riding environment. A smaller sprocket in the 37-to-42 tooth range lowers overall gearing, raising top speed and easing engine revs on long, open sections — useful for circuit configurations with extended straights or for relaxed motorway touring. Moving to the 43-to-48 tooth range tightens gearing, sharpening acceleration out of slower corners and making the GSX-R feel more responsive in technical sections. Many track-day riders run a larger rear sprocket as a simple, reversible way to transform a street-biased setup into a more aggressive track tool without touching suspension or electronics.\u003c\/p\u003e\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\u003cp\u003eThe Sitta 201M is engineered exclusively for the following models and is compatible with 520 pitch chains only:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSuzuki GSX-R 600 (2011 – 2016)\u003c\/li\u003e\n\u003cli\u003eSuzuki GSX-R 750 (2011 – 2016)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSprocket carrier: 110\/130 — 6-bolt pattern. Always verify your current sprocket carrier specification before ordering, and ensure your chain is 520 pitch or convert your drive accordingly.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSitta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003e201M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePitch\u003c\/td\u003e\n\u003ctd\u003e520\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable teeth\u003c\/td\u003e\n\u003ctd\u003e37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (size 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