--- product_id: 48812238 title: "Bearing Shell BSA Bottom Bracket MTB Hollowtech II for Deore SM BB51 / BB52" brand: "shimano" price: "€ 59.66" currency: EUR in_stock: true reviews_count: 8 category: "Shimano" url: https://www.desertcart.nl/products/48812238-bearing-shell-bsa-bottom-bracket-mtb-hollowtech-ii-for-deore store_origin: NL region: Netherlands --- # Fits 68/73 mm shell widths Includes adjustable distance rings Precision BSA threading Bearing Shell BSA Bottom Bracket MTB Hollowtech II for Deore SM BB51 / BB52 **Brand:** shimano **Price:** € 59.66 **Availability:** ✅ In Stock ## Summary > ⚙️ Upgrade your ride with precision-engineered smoothness! ## Quick Answers - **What is this?** Bearing Shell BSA Bottom Bracket MTB Hollowtech II for Deore SM BB51 / BB52 by shimano - **How much does it cost?** € 59.66 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/48812238-bearing-shell-bsa-bottom-bracket-mtb-hollowtech-ii-for-deore) ## 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 - • **Trusted by Pros:** Shimano’s renowned engineering guarantees top-tier performance and minimal maintenance. - • **Tailored Fit Precision:** Adjustable with included 2.5 mm washers for perfect chainline alignment on 68/73 mm shells. - • **Effortless Installation:** Pre-greased and threadlocked for quick, hassle-free fitting—get back on the trail faster. - • **Durability Meets Performance:** High-quality bearing shells deliver smooth rotation and long-lasting reliability. - • **Seamless Shimano Compatibility:** Engineered for Deore Hollowtech II cranks ensuring flawless integration. ## Overview The Shimano Bearing Shell BSA Bottom Bracket MTB Hollowtech II (SM BB51/BB52) is a durable, high-performance bearing set designed for BSA threaded frames with 68 or 73 mm shell widths. Compatible with Shimano Deore Hollowtech II cranks, it includes adjustable distance rings for precise chainline tuning, ensuring smooth, reliable pedaling and easy installation. ## Description Durable, smooth bearings shell set/Inner Bearing from Shimano. Can be use with Shimano Deore crank set with hollw OTech II system. Included are three 2.5 mm washers for adjustment on 68/73 mm bottom bracket case and to adjust the chain line. Compatible with all HollowTech II MTB cranks.Product Features:Suitable for BSA thread body width 68 and 73 mmShimano with code SM BB51/BB52 with distance rings to fix to Tretlagergehäusebreitepasst also for crank fc-m 760/600/580/533 Review: Usual shimano quality - Perfect! Looks good (as far as a BB can). Well greased and threadlocked. Easy to fit and no unnecessary packaging. FYI use 1 spacer on drive side if 73mm shell or just your chain guard of fitted. I believe it's 1 (non drive) and 2 (drive) spacers for the other sizes. Review: Good price and as described in the listing - Quick delivery with Prime, product as described and easily fitted to replace a worn bearing. ## Features - Suitable for BSA thread - Body Width 68 and 73 mm - Shimano designation E/SM BB51/BB52 - With distance ring to fix to bottom bracket body width - Also suitable for crank FC-M 760/600/580/533 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B008MIL31M | | Batteries included? | No | | Best Sellers Rank | 22,129 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 15 in Bottom Brackets for Bikes | | Brand | SHIMANO | | Color | Aluminiumlagerschale | | Customer Reviews | 4.4 4.4 out of 5 stars (613) | | Date First Available | 24 April 2015 | | Is discontinued by manufacturer | No | | Item model number | bb51/bb52 | | Manufacturer | Shimano | | Package Dimensions | 12.8 x 6 x 5.6 cm; 120 g | | Size | 68/73mm | | Sport | Radsport | ## Images ![Bearing Shell BSA Bottom Bracket MTB Hollowtech II for Deore SM BB51 / BB52 - Image 1](https://m.media-amazon.com/images/I/71CKTikWTPL.jpg) ## Questions & Answers **Q: Will this fit in a cube 2018 model** A: probably ## Customer Reviews ### ⭐⭐⭐⭐⭐ Usual shimano quality *by O***B on 5 May 2024* Perfect! Looks good (as far as a BB can). Well greased and threadlocked. Easy to fit and no unnecessary packaging. FYI use 1 spacer on drive side if 73mm shell or just your chain guard of fitted. I believe it's 1 (non drive) and 2 (drive) spacers for the other sizes. ### ⭐⭐⭐⭐⭐ Good price and as described in the listing *by K***N on 8 May 2025* Quick delivery with Prime, product as described and easily fitted to replace a worn bearing. ### ⭐⭐⭐⭐ Compact light bottom bracket *by M***T on 9 August 2020* Liked the lightness and seem well made but having read other reports I packed extra grease on bearings, don't think they're as weatherproof as the old square taper sealed types but time will tell. ## Frequently Bought Together - Shimano Bearing Shell BSA Bottom Bracket MTB Hollowtech II for Deore SM BB51 / BB52 - jtdeal Carbon Steel Crank Wrench Shimano Key Black Crank Case Shimano Key Crank Removal Installation Wrench Hollowtech Crank Case for Bicycle Crank Set --- ## 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.nl/products/48812238-bearing-shell-bsa-bottom-bracket-mtb-hollowtech-ii-for-deore](https://www.desertcart.nl/products/48812238-bearing-shell-bsa-bottom-bracket-mtb-hollowtech-ii-for-deore) --- *Product available on Desertcart Netherlands* *Store origin: NL* *Last updated: 2026-05-13*