{"product_id":"dirt-tricks-bt-51-raw-51-tooth-chromoly-rear-sprocket-for-beta-520-chain","title":"Dirt Tricks BT-51-RAW 51-Tooth Chromoly Rear Sprocket for Beta 520 Chain","description":"\u003cp\u003eThe Dirt Tricks BT-51-RAW Rear Sprocket is a 51-tooth chromoly replacement sprocket designed for compatible Beta off-road motorcycles using a 520 chain. Developed by Dirt Tricks president and engineer Greg Burns, this sprocket reflects the brand’s expertise in aerospace-grade steels, advanced heat treatments, and finite element analysis (FEA) stress testing. Its minimalist design delivers high strength and dependable performance for demanding trail, enduro, and hard off-road riding.\u003c\/p\u003e\u003cp\u003eFeature: The Dirt Tricks BT-51-RAW uses durable chromoly construction engineered to provide long service life while maintaining a weight comparable to aluminum sprockets. It is designed to be 2.5 times stronger than stainless steel and is backed by Dirt Tricks’ two-year guarantee. The raw finish provides a straightforward, functional appearance, while the precision-manufactured tooth profile supports reliable chain engagement and consistent power transfer.\u003c\/p\u003e\u003cp\u003eFeature: This 51-tooth rear sprocket fits select Beta models, including the 2017 Beta 350 RR, 390 RR, 430 RR, and 480 RR; the 2018 Beta 250 RR, 300 RR, 390 RR, 430 RR, and 480 RR; and the 2018 Beta 300 Xtrainer. Confirm the motorcycle model, year, chain size, and original sprocket configuration before installation. The Dirt Tricks BT-51-RAW is a practical upgrade or replacement for riders seeking extended sprocket durability in demanding riding conditions.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e51-tooth rear sprocket for 520 chain applications\u003c\/li\u003e\n\u003cli\u003eChromoly construction engineered for high strength and long service life\u003c\/li\u003e\n\u003cli\u003eMinimalist Dirt Tricks design helps balance durability and weight\u003c\/li\u003e\n\u003cli\u003e2.5 times stronger than stainless steel according to manufacturer specifications\u003c\/li\u003e\n\u003cli\u003eRaw finish for a functional, uncoated appearance\u003c\/li\u003e\n\u003cli\u003eDesigned and engineered by Dirt Tricks using aerospace steel expertise, heat treatment, and FEA stress analysis\u003c\/li\u003e\n\u003cli\u003eBacked by Dirt Tricks’ two-year replacement guarantee\u003c\/li\u003e\n\u003cli\u003eFits select 2017 Beta 350 RR, 390 RR, 430 RR, and 480 RR models\u003c\/li\u003e\n\u003cli\u003eFits select 2018 Beta 250 RR, 300 RR, 390 RR, 430 RR, 480 RR, and 300 Xtrainer models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2013 Beta 250 RR (2T)\u003cbr\u003e\n2013 Beta 300 RR (2t)\u003cbr\u003e\n2013 Beta 350 RR\u003cbr\u003e\n2013 Beta 350 RS\u003cbr\u003e\n2013 Beta 400 RR\u003cbr\u003e\n2013 Beta 450 RR\u003cbr\u003e\n2013 Beta 450 RS\u003cbr\u003e\n2013 Beta 498 RR\u003cbr\u003e\n2014 Beta 250 RR (2T)\u003cbr\u003e\n2014 Beta 300 RR (2t)\u003cbr\u003e\n2014 Beta 350 RR\u003cbr\u003e\n2014 Beta 400 RR\u003cbr\u003e\n2014 Beta 400 RS\u003cbr\u003e\n2014 Beta 450 RR\u003cbr\u003e\n2014 Beta 450 RS\u003cbr\u003e\n2014 Beta 498 RR\u003cbr\u003e\n2015 Beta 250 RR (2T)\u003cbr\u003e\n2015 Beta 250 RR (RE)\u003cbr\u003e\n2015 Beta 300 RR (2t)\u003cbr\u003e\n2015 Beta 300 Xtrainer\u003cbr\u003e\n2015 Beta 350 RR\u003cbr\u003e\n2015 Beta 390 RR\u003cbr\u003e\n2015 Beta 390 RS\u003cbr\u003e\n2015 Beta 430 RR\u003cbr\u003e\n2015 Beta 430 RS\u003cbr\u003e\n2015 Beta 450 RR\u003cbr\u003e\n2015 Beta 480 RR\u003cbr\u003e\n2015 Beta 500 RS\u003cbr\u003e\n2016 Beta 250 RR (2T)\u003cbr\u003e\n2016 Beta 250 RR (RE)\u003cbr\u003e\n2016 Beta 300 RR (2t)\u003cbr\u003e\n2016 Beta 300 Xtrainer\u003cbr\u003e\n2016 Beta 350 RR\u003cbr\u003e\n2016 Beta 390 RR\u003cbr\u003e\n2016 Beta 390 RS\u003cbr\u003e\n2016 Beta 430 RR\u003cbr\u003e\n2016 Beta 430 RS\u003cbr\u003e\n2016 Beta 450 RR\u003cbr\u003e\n2016 Beta 480 RR\u003cbr\u003e\n2016 Beta 500 RS\u003cbr\u003e\n2017 Beta 250 RR (2T)\u003cbr\u003e\n2017 Beta 250 RR (RE)\u003cbr\u003e\n2017 Beta 300 RR (2t)\u003cbr\u003e\n2017 Beta 300 RR (RE)\u003cbr\u003e\n2017 Beta 300 Xtrainer\u003cbr\u003e\n2017 Beta 350 RR\u003cbr\u003e\n2017 Beta 350 RR (RE)\u003cbr\u003e\n2017 Beta 390 RR\u003cbr\u003e\n2017 Beta 390 RR (RE)\u003cbr\u003e\n2017 Beta 430 RR\u003cbr\u003e\n2017 Beta 430 RR (RE)\u003cbr\u003e\n2017 Beta 450 RR\u003cbr\u003e\n2017 Beta 480 RR\u003cbr\u003e\n2017 Beta 480 RR (RE)\u003cbr\u003e\n2017 Beta 498 RR\u003cbr\u003e\n2018 Beta 250 RR (2T)\u003cbr\u003e\n2018 Beta 250 RR (RE)\u003cbr\u003e\n2018 Beta 300 RR (2t)\u003cbr\u003e\n2018 Beta 300 RR (RE)\u003cbr\u003e\n2018 Beta 300 Xtrainer\u003cbr\u003e\n2018 Beta 350 RR\u003cbr\u003e\n2018 Beta 350 RR (RE)\u003cbr\u003e\n2018 Beta 390 RR\u003cbr\u003e\n2018 Beta 390 RR (RE)\u003cbr\u003e\n2018 Beta 430 RR\u003cbr\u003e\n2018 Beta 430 RR (RE)\u003cbr\u003e\n2018 Beta 450 RR\u003cbr\u003e\n2018 Beta 480 RR\u003cbr\u003e\n2018 Beta 480 RR (RE)\u003cbr\u003e\n2018 Beta 498 RR\u003cbr\u003e\n2019 Beta 250 RR (2T)\u003cbr\u003e\n2019 Beta 250 RR (RE)\u003cbr\u003e\n2019 Beta 300 RR (2t)\u003cbr\u003e\n2019 Beta 300 RR (RE)\u003cbr\u003e\n2019 Beta 300 Xtrainer\u003cbr\u003e\n2019 Beta 350 RR\u003cbr\u003e\n2019 Beta 350 RR (RE)\u003cbr\u003e\n2019 Beta 390 RR\u003cbr\u003e\n2019 Beta 390 RR (RE)\u003cbr\u003e\n2019 Beta 430 RR\u003cbr\u003e\n2019 Beta 430 RR (RE)\u003cbr\u003e\n2019 Beta 450 RR\u003cbr\u003e\n2019 Beta 480 RR\u003cbr\u003e\n2019 Beta 480 RR (RE)\u003cbr\u003e\n2019 Beta 498 RR\u003cbr\u003e\n2020 Beta 250 RR (2T)\u003cbr\u003e\n2020 Beta 250 RR (RE)\u003cbr\u003e\n2020 Beta 300 RR (2t)\u003cbr\u003e\n2020 Beta 300 RR (RE)\u003cbr\u003e\n2020 Beta 300 Xtrainer\u003cbr\u003e\n2020 Beta 350 RR\u003cbr\u003e\n2020 Beta 350 RR (RE)\u003cbr\u003e\n2020 Beta 390 RR\u003cbr\u003e\n2020 Beta 390 RR (RE)\u003cbr\u003e\n2020 Beta 430 RR\u003cbr\u003e\n2020 Beta 430 RR (RE)\u003cbr\u003e\n2020 Beta 450 RR\u003cbr\u003e\n2020 Beta 480 RR (RE)\u003cbr\u003e\n2021 Beta 250 RR (2T)\u003cbr\u003e\n2021 Beta 250 RR (RE)\u003cbr\u003e\n2021 Beta 300 RR (2t)\u003cbr\u003e\n2021 Beta 300 RR (RE)\u003cbr\u003e\n2021 Beta 300 Xtrainer\u003cbr\u003e\n2021 Beta 350 RR\u003cbr\u003e\n2021 Beta 350 RR (RE)\u003cbr\u003e\n2021 Beta 390 RR\u003cbr\u003e\n2021 Beta 390 RR (RE)\u003cbr\u003e\n2021 Beta 430 RR\u003cbr\u003e\n2021 Beta 430 RR (RE)\u003cbr\u003e\n2021 Beta 450 RR\u003cbr\u003e\n2021 Beta 480 RR (RE)\u003cbr\u003e\n2022 Beta 250 RR (2T)\u003cbr\u003e\n2022 Beta 250 RR (RE)\u003cbr\u003e\n2022 Beta 300 RR (2t)\u003cbr\u003e\n2022 Beta 300 RR (RE)\u003cbr\u003e\n2022 Beta 300 Xtrainer\u003cbr\u003e\n2022 Beta 350 RR\u003cbr\u003e\n2022 Beta 350 RR (RE)\u003cbr\u003e\n2022 Beta 390 RR\u003cbr\u003e\n2022 Beta 390 RR (RE)\u003cbr\u003e\n2022 Beta 430 RR\u003cbr\u003e\n2022 Beta 430 RR (RE)\u003cbr\u003e\n2022 Beta 480 RR\u003cbr\u003e\n2022 Beta 480 RR (RE)\u003cbr\u003e\n2023 Beta 250 RR (2T)\u003cbr\u003e\n2023 Beta 250 RR (RE)\u003cbr\u003e\n2023 Beta 300 RR (2t)\u003cbr\u003e\n2023 Beta 300 RR (RE)\u003cbr\u003e\n2023 Beta 300 Xtrainer\u003cbr\u003e\n2023 Beta 350 RR\u003cbr\u003e\n2023 Beta 350 RR (RE)\u003cbr\u003e\n2023 Beta 390 RR\u003cbr\u003e\n2023 Beta 390 RR (RE)\u003cbr\u003e\n2023 Beta 430 RR\u003cbr\u003e\n2023 Beta 430 RR (RE)\u003cbr\u003e\n2023 Beta 480 RR\u003cbr\u003e\n2023 Beta 480 RR (RE)\u003cbr\u003e\n2024 Beta 250 RR (2T)\u003cbr\u003e\n2024 Beta 250 RR (RE)\u003cbr\u003e\n2024 Beta 300 RR (2t)\u003cbr\u003e\n2024 Beta 300 RR (RE)\u003cbr\u003e\n2024 Beta 300 Xtrainer\u003cbr\u003e\n2024 Beta 350 RR\u003cbr\u003e\n2024 Beta 350 RR (RE)\u003cbr\u003e\n2024 Beta 390 RR\u003cbr\u003e\n2024 Beta 390 RR (RE)\u003cbr\u003e\n2024 Beta 430 RR\u003cbr\u003e\n2024 Beta 430 RR (RE)\u003cbr\u003e\n2024 Beta 480 RR\u003cbr\u003e\n2024 Beta 480 RR (RE)\u003cbr\u003e\n2025 Beta 250 RR (2T)\u003cbr\u003e\n2025 Beta 250 RR (RE)\u003cbr\u003e\n2025 Beta 300 RR (2t)\u003cbr\u003e\n2025 Beta 300 RR (RE)\u003cbr\u003e\n2025 Beta 300 Xtrainer\u003cbr\u003e\n2025 Beta 350 RR\u003cbr\u003e\n2025 Beta 350 RR (RE)\u003cbr\u003e\n2025 Beta 390 RR\u003cbr\u003e\n2025 Beta 390 RR (RE)\u003cbr\u003e\n2025 Beta 430 RR\u003cbr\u003e\n2025 Beta 430 RR (RE)\u003cbr\u003e\n2025 Beta 480 RR\u003cbr\u003e\n2025 Beta 480 RR (RE)\u003cbr\u003e\n2026 Beta 250 RR (2T)\u003cbr\u003e\n2026 Beta 250 RR (RE)\u003cbr\u003e\n2026 Beta 300 RR (2t)\u003cbr\u003e\n2026 Beta 300 RR (RE)\u003cbr\u003e\n2026 Beta 300 Xtrainer\u003cbr\u003e\n2026 Beta 350 RR\u003cbr\u003e\n2026 Beta 350 RR (RE)\u003cbr\u003e\n2026 Beta 390 RR\u003cbr\u003e\n2026 Beta 390 RR (RE)\u003cbr\u003e\n2026 Beta 430 RR\u003cbr\u003e\n2026 Beta 430 RR (RE)\u003cbr\u003e\n2026 Beta 480 RR\u003cbr\u003e\n2026 Beta 480 RR (RE)","brand":"DIRT TRICKS","offers":[{"title":"Default Title","offer_id":67551115706603,"sku":"254-110151W","price":139.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/6018-68f131225c24c_6ec07095-3ecf-4aae-be2e-be6d9ab58f30.jpg?v=1790714496","url":"https:\/\/ctracingservices.com\/products\/dirt-tricks-bt-51-raw-51-tooth-chromoly-rear-sprocket-for-beta-520-chain","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}