--- product_id: 346875127 title: "YBEKI 30T 32T 34T 36T 38T 40T 42T 44T 46T 48T 50T 52T Chainring 104BCD Round Oval Narrow Wide Single Bike Chainring for 8 9 10 11 Speed Mountain Bike Road Bike MTB BMX" brand: "ybeki" price: "158.89 DT" currency: TND in_stock: true category: "Ybeki" url: https://www.desertcart.tn/products/346875127-ybeki-30t-32t-34t-36t-38t-40t-42t-44t-46t store_origin: TN region: Tunisia --- # DynamicChain 3.0 anti-drop tech, 92% fewer drops 7075-T6 aerospace alloy, ±0.01mm precision 63% lighter 3D hollow design, 98.7% power transfer YBEKI 30T 32T 34T 36T 38T 40T 42T 44T 46T 48T 50T 52T Chainring 104BCD Round Oval Narrow Wide Single Bike Chainring for 8 9 10 11 Speed Mountain Bike Road Bike MTB BMX **Brand:** ybeki **Price:** 158.89 DT **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Elevate Every Pedal Stroke — Ride Stronger, Lighter, Smarter! ## Quick Answers - **What is this?** YBEKI 30T 32T 34T 36T 38T 40T 42T 44T 46T 48T 50T 52T Chainring 104BCD Round Oval Narrow Wide Single Bike Chainring for 8 9 10 11 Speed Mountain Bike Road Bike MTB BMX by ybeki - **How much does it cost?** 158.89 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/346875127-ybeki-30t-32t-34t-36t-38t-40t-42t-44t-46t) ## Best For - ybeki enthusiasts ## Why This Product - Trusted ybeki brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Aerospace-Grade Strength:** 7075-T6 aluminum alloy with military-grade anodization delivers unmatched durability and 3x wear resistance for relentless rides. - • **Ride Confidently Forever:** Lifetime zero-rust guarantee with 24/7 US-based expert support and rapid replacement ensures your chainring never lets you down. - • **Next-Level Chain Security:** DynamicChain 3.0 narrow-wide tooth profile slashes chain drops by 92%, keeping you in the zone on the roughest trails. - • **Featherlight Power Transfer:** 3D hollow architecture cuts weight by 63% while maintaining 98.7% lateral stiffness for explosive climbing and sprinting. - • **Biomechanical Oval Efficiency:** Oval design boosts pedaling efficiency by 15% and reduces knee strain by 18%, proven by University of Colorado research. ## Overview The YBEKI 104BCD chainring is a precision-engineered cycling component crafted from aerospace-grade 7075-T6 aluminum alloy. Featuring DynamicChain 3.0 anti-drop technology and a biomechanical oval design, it enhances pedaling efficiency by 15% and reduces chain drops by 92%. Its ultra-light 3D hollow structure cuts weight by 63% while maintaining exceptional stiffness for optimal power transfer. Compatible with Shimano and SRAM 8-11 speed drivetrains, it’s built for mountain, road, and BMX bikes, backed by a lifetime zero-rust guarantee and expert support. ## Description YBEKI 30T 32T 34T 36T 38T 40T 42T 44T 46T 48T 50T 52T Chainring 104BCD Round Oval Narrow Wide Single Bike Chainring for 8 9 10 11 Speed Mountain Bike Road Bike MTB BMX (black oval, 34T). ## Features - 1.🔧【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 - 2. ⚡【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 - 3. 🚀【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 - 4. 🌧️【Biomechanical Oval Advantage】✓ Lab-Proven Efficiency Boost:▶ 15% pedaling efficiency increase vs round chainrings (University of Colorado validated)▶ 12° optimal ovality (reduces knee strain by 18%)✓ Dual-Performance Profiles: ➤ Race Mode: 90+ RPM cadence optimization➤ Enduro Mode: Enhanced torque output (60-80 RPM). 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. - 5.💎【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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08NX9LMF8 | | Brand Name | YBEKI | | Customer Reviews | 4.5 4.5 out of 5 stars (257) | | Item Length | 41.3 Inches | | Load Capacity | 82756 pounds-force (tensile) | | Manufacturer | YBEKI | | Material Type | Alloy Steel or Aluminum | | Model | Y92 | | Part Number | Y92 | | Recommended Uses For Product | bicycling activities, including mountain biking, road biking, and BMX | | Specification Met | ANSI B29.1 | | Strand Type | Single | | Tensile Strength | 82756 Pounds Per Square Inch | | UPC | 788392320592 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** YBEKI - **Load capacity:** 82756 pounds-force (tensile) - **Material:** Alloy Steel or Aluminum - **Recommended uses for product:** bicycling activities, including mountain biking, road biking, and BMX - **Specification met:** ANSI B29.1 ## Images ![YBEKI 30T 32T 34T 36T 38T 40T 42T 44T 46T 48T 50T 52T Chainring 104BCD Round Oval Narrow Wide Single Bike Chainring for 8 9 10 11 Speed Mountain Bike Road Bike MTB BMX - Image 1](https://m.media-amazon.com/images/I/711zgBBepOL.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - YBEKI 30T 32T 34T 36T 38T 40T 42T 44T 46T 48T 50T 52T Chainring 104BCD Round Oval Narrow Wide Single Bike Chainring for 8 9 10 11 Speed Mountain Bike Road Bike MTB BMX - 104BCD Chain Ring Chainring Spider Adapter for BAFANG 8Fun BBS01 BBS02 BBSHD E-Bike Mid Drive Motor --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/346875127-ybeki-30t-32t-34t-36t-38t-40t-42t-44t-46t](https://www.desertcart.tn/products/346875127-ybeki-30t-32t-34t-36t-38t-40t-42t-44t-46t) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-30*