{"product_id":"renthal-123u52051gybk-ultralight-rear-sprocket-suzuki-moto-house-mx","title":"Renthal Ultralight Rear Sprocket (51T, Black) 123U-520-51GYBK — Suzuki 1988-2025","description":"\u003ch2\u003e\u003cstrong\u003eRenthal Ultralight Rear Sprocket (51T, Black) 123U-520-51GYBK — 1988-2025 Suzuki\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRenthal Ultralight Rear Sprocket\u003c\/strong\u003e is precision-machined to maximize power transfer while drastically minimizing unsprung weight on your Suzuki dirt bike or dual-sport. Engineered for demanding off-road conditions, this 51-tooth black sprocket merges elite durability with high-performance weight reduction.\u003c\/p\u003e\n\u003cp\u003eUnlike standard stamped sprockets, each unit is fully CNC-machined from high-strength, specially enhanced 7075-T6 aluminum. This construction makes the sprocket 33% lighter than comparable steel options, optimizing drivetrain efficiency without sacrificing structural strength.\u003c\/p\u003e\n\n\u003ch3\u003eTop Features: Renthal Ultralight Rear Sprocket\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComputer-aided ultra-lightweight design engineered to reduce unsprung weight and maximize power transfer.\u003c\/li\u003e\n\u003cli\u003eManufactured from high-strength, specially enhanced 7075-T6 aluminum that is 33% lighter than steel.\u003c\/li\u003e\n\u003cli\u003eSpecialized tooth profile allows the chain to roll easily on and off the sprocket for longer wear life, reduced noise, and increased power.\u003c\/li\u003e\n\u003cli\u003ePrecision CNC-machined build guarantees structural integrity over conventional stamped alternatives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.\u003c\/p\u003e\n\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eVehicle Brand\u003c\/th\u003e\n\u003cth\u003eVehicle Model \u0026amp; Sub-Model\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1988-2007\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eRM125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1998\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eRMX250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-2008\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eRM250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1991-1999\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eDR350\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2001\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eRMX 250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2000-2011\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eDR-Z400E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2019\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eDR-Z400S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2007\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eDR-Z250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2024\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eDR-Z400SM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2025\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eRMZ450\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007-2017, 2019-2025\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eRMZ250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eRM 125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010, 2017-2019\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eRMX450Z\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: How much weight does this aluminum sprocket save compared to steel?\u003c\/b\u003e\u003cbr\u003eA: It is crafted from high-strength 7075-T6 aluminum that is 33% lighter than standard steel sprockets, effectively reducing unsprung weight.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Does the tooth design help minimize chain noise?\u003c\/b\u003e\u003cbr\u003eA: Yes, the specialized tooth profile permits the chain to roll smoothly on and off the sprocket, reducing noise and extending component longevity.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e Always inspect your drive chain and front sprocket when installing a new rear sprocket. Pairing a fresh aluminum rear sprocket with a worn, stretched chain will accelerate wear and significantly shorten component life.\u003c\/p\u003e\n\n\u003ch3\u003eRecommended Pairings:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/mx-off-road-chains\"\u003eMX \u0026amp; Off-Road Chains\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/suzuki-performance-parts\"\u003eSuzuki Performance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/mx-off-road-motorcycle-tools\"\u003eMotorcycle Tools \u0026amp; Accessories\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAt Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their bikes. We pride ourselves on great customer service, and every item ships FAST - straight to your door.\u003c\/p\u003e\n\n\u003cp\u003e\u003ci\u003e\u003cstrong\u003eMoto-House MX - Choice of Champions\u003c\/strong\u003e - Your premier powersports source with great customer service and lightning-fast shipping straight to your door.\u003c\/i\u003e\u003c\/p\u003e","brand":"RENTHAL","offers":[{"title":"Default Title","offer_id":42622494769235,"sku":"123U-520-51GYBK","price":94.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/123u-520-51gybk-691130.jpg?v=1744692185","url":"https:\/\/motohousemx.com\/products\/renthal-123u52051gybk-ultralight-rear-sprocket-suzuki-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}