--- product_id: 665108705 title: "104BCD 40T 42T 44T 46T 48T 50T 52T Narrow Wide Chainring Single Chainring for 7/8/9/10/11/12-Speed (Round)" brand: "deckas" price: "1889692₫" currency: VND in_stock: false reviews_count: 5 category: "Deckas" url: https://www.desertcart.vn/products/665108705-104bcd-40t-42t-44t-46t-48t-50t-52t-narrow-wide store_origin: VN region: Vietnam --- # 104BCD bolt circle diameter - precise fit for Shimano & SRAM Narrow-wide tooth design - max chain retention & noise reduction 7075 aluminum alloy - ultra durable & lightweight 104BCD 40T 42T 44T 46T 48T 50T 52T Narrow Wide Chainring Single Chainring for 7/8/9/10/11/12-Speed (Round) **Brand:** deckas **Price:** 1889692₫ **Availability:** ❌ Out of Stock ## Summary > 🚴‍♂️ Upgrade your ride with precision power and silent performance! ## Quick Answers - **What is this?** 104BCD 40T 42T 44T 46T 48T 50T 52T Narrow Wide Chainring Single Chainring for 7/8/9/10/11/12-Speed (Round) by deckas - **How much does it cost?** 1889692₫ with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/665108705-104bcd-40t-42t-44t-46t-48t-50t-52t-narrow-wide) ## Best For - deckas enthusiasts ## Why This Product - Trusted deckas brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Expanded Tooth Range:** Choose from 40T to 52T for optimized speed and control tailored to your ride. - • **Effortless Installation:** Bolt-on design with anodized finish for a sleek, maintenance-free upgrade. - • **Narrow-Wide Tooth Innovation:** Keeps your chain locked in place, reducing slips and noise. - • **Universal 104BCD Compatibility:** Seamlessly fits most Shimano and SRAM cranksets—no guesswork. - • **Precision Engineered 7075 Aluminum:** Lightweight yet rock-solid durability for pro-level rides. ## Overview The DECKAS 104BCD Narrow Wide Chainring is crafted from premium 7075 aluminum alloy with an anodized surface for enhanced durability and style. Designed for 7 to 12-speed drivetrains, its innovative narrow-wide tooth profile maximizes chain retention, reduces friction and noise, and extends wear life. Compatible with most Shimano and SRAM cranksets featuring a 104mm bolt circle diameter, this chainring offers a range of tooth counts from 40T to 52T, allowing riders to customize gear ratios for road, mountain, BMX, or e-bikes. Lightweight and easy to install, it’s the perfect upgrade for professionals and enthusiasts seeking reliable performance and sleek aesthetics. ## Description DECKAS Round Oval 104BCD 32T 34T 36T 38T 40T 42T 44T 46T 48T 50T 52T Narrow Wide Chainring Single Chainring for 7/8/9/10/11/12 Speed, Perfect for Most Bicycle Road Bike Mountain Bike BMX MTB Fixie Track Fixed-Gear BicycleMaterial: High quality 7075 aluminum alloy,Anodized surfaceColor: Black,RedRange: 32T,34T,36T,38TCompatibility: 9/10/11 speedSize/BCD: 104BCDWeight: 32T/41g,34T/50g,36T/55g,38T/60gPackage Included:1*104BCD Narrow Wide chainringFeature:1.The new narrow-wide teeth design increases chain retention, wear life, and reduces friction and noise.2.Larger wide tooth design provides maximum ring durability and drop performance.3.Super durable and light weight.4.Excellent Fit and Great Value.5.Easy to install and fits perfectly the 104mm bolt pattern.Installation Notes:1.This chainring's BCD(bolt circle diameter) is 104mm. Before submiting the purchasement, please make sure that your crankset's BCD is 104mm,otherwise they won't fit.2.Most of the cranksets from SHIMANO and SRAM will fit. For cranksets from other brands, please check on the diameter first. Review: Perfectly made high quality product. Fitted to my Super 73 RXE like a glove. Original was 44 tooth which I replaced with a Deckas 52 tooth. The desired outcome was more range and ability to use the 10 speed efficiently. Highly recommended this product. Review: Very happy with the service will order again ## Features - Material: High quality 7075 aluminum alloy,Anodized surface. - The new narrow-wide teeth design increases chain retention, wear life, and reduces friction and noise, larger wide tooth design provides maximum ring durability and drop performance. - Suitable for most of Shimano and Sram cranksets, Please confirm that your crank BCD specification is correct before purchase. - Gift: You may find it a gift option to your husband, wife, boyfriend, girlfriend, or gift for your kids' bike for back to school gift, Christmas gift, Valentine's day gift, Mother's day or Father's day gift, thanksGiving gift or New year gifts, for mountain bike, fat bike or e-bike. - Package include: 1 x 104BCD narrow wide chainring. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B94GFKKP | | Batteries Included? | No | | Best Sellers Rank | #48,590 in Sporting Goods ( See Top 100 in Sporting Goods ) #125 in Bike Drivetrain Components | | Brand | DECKAS | | Color | Round Black | | Customer Reviews | 4.6 4.6 out of 5 stars (1,679) | | Date First Available | 18 August 2022 | | Item model number | 104-Round Black 40T | | Manufacturer | DECKAS | | Material Type | Aluminum | | Outer Material | aluminum-alloy | | Package Dimensions | 18.39 x 18.29 x 0.79 cm; 91 g | | Size | 40T Round | ## Product Details - **Brand:** DECKAS - **Load capacity:** 3E+2 kg - **Material:** Aluminum - **Strand type:** Single ## Images ![104BCD 40T 42T 44T 46T 48T 50T 52T Narrow Wide Chainring Single Chainring for 7/8/9/10/11/12-Speed (Round) - Image 1](https://m.media-amazon.com/images/I/71sL68UyZWL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by R***D on 17 October 2023* Perfectly made high quality product. Fitted to my Super 73 RXE like a glove. Original was 44 tooth which I replaced with a Deckas 52 tooth. The desired outcome was more range and ability to use the 10 speed efficiently. Highly recommended this product. ### ⭐⭐⭐⭐⭐ Review *by B***B on 20 February 2022* Very happy with the service will order again ### ⭐⭐⭐⭐ Review *by B***) on 26 April 2024* GIANT ESCAPE R DISK LTDをシングル化するためラウンド42Tを購入。 クランクはそのまま使用、ボルトも短く加工すればオリジナルを使用出来ました。 (コッタレス抜かなくても付け替え可) ナローワイドなので大丈夫かなとは思いますが、私は念のためチェーン落ち防止デバイスを取付けています。 音は静かな方だと思います。 デザインにセンスを感じないので星ひとつ減らしましたw ## Frequently Bought Together - DECKAS Round Chainring 104BCD 40T 42T 44T 46T 48T 50T 52T Narrow Wide Chainring for 7 8 9 10 11 12 Speed Chains (Round) - Park Tool CNW-2 Chainring Nut Wrench - DECKAS Round Oval Chainring 104BCD 32T 34T 36T 38T Narrow Wide Chainring for 6 7 8 9 10 11 12 Speed Chains --- ## 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.vn/products/665108705-104bcd-40t-42t-44t-46t-48t-50t-52t-narrow-wide](https://www.desertcart.vn/products/665108705-104bcd-40t-42t-44t-46t-48t-50t-52t-narrow-wide) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-04*