--- product_id: 412523338 title: "Ultegra FC-R8100 Ultegra 12-Speed Double chainset, 52 / 36T 175 mm" brand: "shimano" price: "VT121263" currency: VUV in_stock: true category: "Shimano" url: https://www.desertcart.vu/products/412523338-ultegra-fc-r8100-ultegra-12-speed-double-chainset-52-36t store_origin: VU region: Vanuatu --- # HollowTech II ultra-stiff crank arms Lightweight hollow aluminum design 12-speed precision gearing Ultegra FC-R8100 Ultegra 12-Speed Double chainset, 52 / 36T 175 mm **Brand:** shimano **Price:** VT121263 **Availability:** ✅ In Stock ## Summary > ⚡ Shift into the fast lane with Shimano Ultegra precision! ## Quick Answers - **What is this?** Ultegra FC-R8100 Ultegra 12-Speed Double chainset, 52 / 36T 175 mm by shimano - **How much does it cost?** VT121263 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/412523338-ultegra-fc-r8100-ultegra-12-speed-double-chainset-52-36t) ## Best For - shimano enthusiasts ## Why This Product - Trusted shimano brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Race-Ready Rigidity:** HollowGlide chainring eliminates flex for razor-sharp shifts under max load - • **Seamless Durability:** Integrated bottom bracket with wide bearing placement ensures smooth, long-lasting performance - • **Featherweight Strength:** Cold-forged HollowTech II cranks deliver pro-level stiffness at minimal weight - • **Custom Fit for Every Ride:** Multiple chainring sizes and crank lengths tailored to your racing style - • **Effortless Power Transfer:** Optimized 12-speed chainring teeth maximize efficiency and pedal stroke impact ## Overview The Shimano Ultegra FC-R8100 12-speed double chainset combines cutting-edge HollowTech II technology with a lightweight hollow aluminum design to deliver exceptional stiffness and power transfer. Engineered for competitive road cycling, it features a HollowGlide outer chainring for superior shift performance under load, optimized chainring teeth for 12-speed HG chains, and a durable integrated bottom bracket system (sold separately). Available in multiple sizes, this crankset is the ultimate upgrade for riders demanding race-level efficiency and reliability. ## Description The HollowTech II 12-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive ridersHollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high loadThe chainring teeth have been developed to work in conjunction with 12-speed HG chains for increased contact to provide greater efficiency and improved power transferIndustry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weightWide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mmA wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplinesHollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiencyHollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately) ## Features - SHIMANO Crankset "Ultegra" FC-R8100 Mod. 22 2-speed - Hollow aluminium cranks - Large chainring ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09HKGRD87 | | Best Sellers Rank | #363,341 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #314 in Bike Cranksets | | Brand | SHIMANO | | Date First Available | October 31, 2021 | | Department | Unisex | | Global Trade Identification Number | 04550170893729 | | Is Discontinued By Manufacturer | No | | Item Length | 13 Inches | | Item Weight | 2.64 pounds | | Item model number | IFCR8100EX26 | | Language | English | | Load Capacity | 10 Kilogramm | | Manufacturer | Shimano Ultegra | | Material | Aluminum | | Recommended Uses For Product | Road Cycling, Mountain Biking, Competitive Racing | | Strand Type | Single | | UPC | 192790893723 | ## Product Details - **Brand:** SHIMANO - **Item Length:** 13 Inches - **Load Capacity:** 10 Kilogramm - **Material:** Aluminum - **Recommended Uses For Product:** Road Cycling, Mountain Biking, Competitive Racing ## Images ![Ultegra FC-R8100 Ultegra 12-Speed Double chainset, 52 / 36T 175 mm - Image 1](https://m.media-amazon.com/images/I/616HOd1yfaL.jpg) ## Frequently Bought Together - Shimano Ultegra FC-R8100 Ultegra 12-Speed Double chainset, 52 / 36T 175 mm - SHIMANO Ultegra CS-R8100 Cassette - 12-Speed, 11-30t, Silver - Shimano Xt/Ultegra 12-Speed Chain Silver, 138 Links --- ## 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.vu/products/412523338-ultegra-fc-r8100-ultegra-12-speed-double-chainset-52-36t](https://www.desertcart.vu/products/412523338-ultegra-fc-r8100-ultegra-12-speed-double-chainset-52-36t) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-08*