{"product_id":"ybeki-pro-grade-104bcd-chainring-30-52t-cnc-7075-t6-aluminum-narrow-wide-mtb-road-round-oval-bike-chainwheel-shimano-sram-8-11-speed-compatible-573mpa-strength-black-round-42t","title":"YBEKI Pro-Grade 104BCD Chainring (30-52T) CNC 7075-T6 Aluminum Narrow-Wide MTB\/Road Round Oval Bike Chainwheel | Shimano\/SRAM 8-11 Speed Compatible | 573MPa Strength (Black Round, 42T)","description":"\u003cp\u003e\u003cb\u003eBrand:\u003c\/b\u003e YBEKI\u003c\/p\u003e\u003cp\u003e\u003cb\u003eColor:\u003c\/b\u003e Black Round 42T\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1.🔧【Aerospace-Engineered 7075-T6 Alloy】7075-T6 Aluminum Alloy - 572MPa tensile strength (30% stronger than 6061), ✓ 5-Axs CNC Machined - ±0.01mm tooth tolerance (ISO 13041 certified), ✓ Military-Grade Hard Anodization - HV800 surface hardness (3x wear resistance), ✓ Compatibility: Compatible with 104BCD Single Bike Chainring Shimano\/SRAM 8-11 Speed MTB\/Road Bikes \u003c\/li\u003e\n\u003cli\u003e2. ⚡【DynamicChain 3.0 Anti-Drop System】Alternating Narrow-Wide Tooth Profile (7.3mm wide \/ 6.8mm narrow teeth) perfectly matches 8-11 speed chain pitches.✓ Dynamic Chamfer Technology enables 45% faster chain engagement, tested to reduce chain drops by 92% on rough terrain.✓ Extended Tooth Tips enhance stability, ideal for high-impact MTB rides and aggressive road cycling\u003c\/li\u003e\n\u003cli\u003e3. 🚀【3D Ultra-Lightweight Architecture】3D Hollow Structure cuts weight by 63% compared to steel, achieving a featherlight profile without compromising strength.▸ Asymmetric Reinforcement Ribs deliver 155Nm\/deg lateral stiffness, ensuring power transfer efficiency up to 98.7%.▸ 1kg Total Weight Reduction for your bike, boosting climbing performance and overall agility\u003c\/li\u003e\n\u003cli\u003e4. 🌧️【Pro-Level Performance Features】Mirror-Polished Teeth (0.09μ ultra-low friction coefficient) minimize energy loss during pedaling.✓ Self-Cleaning Grooves reduce mud accumulation by 70%, maintaining peak performance in wet or dirty conditions.✓ Dual Anodized Finishes (Matte Black\/Ceramic Coated, Electric Blue\u0026amp;Racing Red\/UV-Resistant Nano-Dye) for style and long-lasting colorfastness\u003c\/li\u003e\n\u003cli\u003e5.💎【Lifetime Durability Guarantee】12-Month \"Zero Rust\" Promise – Free replacement if oxidation occurs, 24\/7 Expert Support – US-based mechanics answer questions within 24 hours, Fast Replacement: Defective parts replaced within 48 hours\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003ePart Number:\u003c\/b\u003e Y92\u003c\/p\u003e\u003cp\u003e\u003cb\u003eEAN:\u003c\/b\u003e 0788392358311\u003c\/p\u003e\u003cp\u003e\u003cb\u003ePackage Dimensions:\u003c\/b\u003e 9.7 x 7.8 x 0.7 inches\u003c\/p\u003e","brand":"Purrosa","offers":[{"title":"Default Title","offer_id":47916830064899,"sku":"B08NXDC9ST","price":47.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/3031\/2451\/files\/71Dmgj8oblL.jpg?v=1775938165","url":"https:\/\/purrosa.com\/products\/ybeki-pro-grade-104bcd-chainring-30-52t-cnc-7075-t6-aluminum-narrow-wide-mtb-road-round-oval-bike-chainwheel-shimano-sram-8-11-speed-compatible-573mpa-strength-black-round-42t","provider":"Purrosa","version":"1.0","type":"link"}