{"title":"Eccentrics","description":null,"products":[{"product_id":"problem-solvers-bushnell-eccentric-lightweight-bottom-bracket-eccentric-ck0279","title":"Lightweight Aluminum Eccentric Bottom Bracket 68mm x 54mm for Tandem \u0026 Single Speed Bikes, Silver, Precision Chain Tension Adjustment","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eElevate your cycling performance with the Problem Solvers Bushnell Eccentric Lightweight Bottom Bracket, designed for precise chain tension adjustment on tandem and single-speed bikes. Crafted with innovative engineering, this high-quality bottom bracket features a lightweight, cut-out aluminum body that reduces weight without compromising strength or durability.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eConstructed from durable materials, the aluminum alloy body offers excellent resistance to corrosion and wear, ensuring longevity even under demanding riding conditions. The eccentric bottom bracket design provides fine-tuning for chain tension, making it ideal for dedicated single-speed bikes and tandem setups where optimal drivetrain alignment is crucial.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eThis bottom bracket is compatible with standard 68mm shell widths and accepts English threaded bottom bracket cups (1.37 x 24 TPI), fitting shell diameters from 53.8mm to 54mm I.D. The sleek silver finish adds a stylish touch to your bike's drivetrain. Whether you're upgrading your ride for improved performance or customizing your tandem or single-speed build, the Problem Solvers Bushnell Eccentric Bottom Bracket offers reliable, effortless chain tension adjustment with a lightweight, precision-machined profile.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eIdeal for cycling enthusiasts seeking durable components, this eccentric bottom bracket enhances bike performance by ensuring smooth, consistent pedaling, and drivetrain alignment. Optimize your bike's efficiency with this innovative, performance-driven cycling component - a must-have for serious cyclists and bike builders alike.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eLightweight alloy construction with precision machining and drilling reduces overall bike weight without compromising strength, making it ideal for performance-oriented tandem and single speed bikes. \u003c\/li\u003e\n\u003cli\u003eDesigned with an eccentric shell capability, this bottom bracket provides easy chain tension adjustment, ensuring smooth gear shifting and reliable performance, especially on dedicated single speed setups.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard 68mm width and accepting English threaded cups (1.37 x 24 TPI), this bottom bracket offers versatile installation options for a wide range of bicycle frames with BB shells from 53.8 to 54mm I.D.\u003c\/li\u003e\n\u003cli\u003eThe sleek Silver finish not only enhances visual appeal but also offers corrosion resistance, maintaining a polished look and durability in diverse riding conditions.\u003c\/li\u003e\n\u003cli\u003eBuilt for optimal performance and durability, the Problem Solvers Bushnell Eccentric Bottom Bracket is engineered for mountain biking, touring, and urban commuting, where reliable chain tension adjustment and lightweight design are essential.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Problem Solvers","offers":[{"title":"Default Title","offer_id":42206259576899,"sku":"CK0279","price":101.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CK0279-01.jpg?v=1780526328"},{"product_id":"problem-solvers-bushnell-eccentric-classic-bottom-bracket-eccentric-ck0281","title":"Problem Solvers Bushnell Eccentric Aluminum Bottom Bracket for Tandem \u0026 Single Speed Bikes - 68mm x 54mm, Black, Eccentric Adjustment, English Threaded","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your tandem or single-speed bike with the Problem Solvers Bushnell Eccentric Classic Bottom Bracket - the industry-leading solution for precise chain tension adjustment and reliable performance. Designed for bikes with eccentric bottom bracket shells, this premium bottom bracket ensures smooth operation, durability, and ease of installation, making it an essential component for custom builds and maintenance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Construction:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eCrafted from high-quality, full-body aluminum, the Problem Solvers Bushnell Eccentric Bottom Bracket offers exceptional strength and lightweight performance. Its durable black finish not only enhances aesthetics but also provides corrosion resistance, ensuring long-lasting performance in various riding conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eEngineered for optimal chain tension management, this bottom bracket features an eccentric shell that allows fine-tuning of chain alignment without removing the crankset. Its precise engineering guarantees consistent power transfer and reduces drivetrain noise, ideal for tandem and dedicated single-speed applications.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponents \u0026amp; Technology:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eCompatible with English threaded bottom bracket cups (1.37 x 24 TPI), the Bushnell Eccentric Classic fits BB shells with I.D. from 53.8mm to 54mm. The 68mm width ensures compatibility across numerous bike frames, while the full-body aluminum design maximizes surface contact for maximum friction and stability during rider power transfer.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eStyle \u0026amp; Use Case:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eWith a sleek black finish and a classic, minimalist aesthetic, this bottom bracket seamlessly complements a variety of bike styles-from rugged touring tandems to sleek single-speed frames. Its specialized design excels in situations where precise chain tension adjustment is critical, such as custom builds, retrofit upgrades, and frequent maintenance cycles.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eThe Problem Solvers Bushnell Eccentric Bottom Bracket stands out with its full-body aluminum shell, offering greater surface contact for frictional engagement and improved consistency in tension adjustments. Its industry-leading design simplifies setup and maintenance, making it the go-to choice for serious cyclists seeking durability, reliability, and easy tuning.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003eUpgrade your cycling experience with the Problem Solvers Bushnell Eccentric Classic Bottom Bracket - engineered for performance, built for durability, and designed for precision. Ideal for tandem bikes, single speeds, and custom builds, this component ensures your bike runs smoothly mile after mile.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eEccentric bottom bracket designed specifically for tandem and single speed bikes, offering precise chain tension adjustment and enhanced ride stability. \u003c\/li\u003e\n\u003cli\u003eConstructed from durable, lightweight aluminum with a sleek black finish, ensuring long-lasting performance and corrosion resistance in various riding conditions. \u003c\/li\u003e\n\u003cli\u003eFeatures a standard 68mm shell width and accepts English threaded bottom bracket cups (1.37 x 24 TPI), making it compatible with a wide range of bike frames and seamless installation. \u003c\/li\u003e\n\u003cli\u003eFull-body aluminum construction provides increased surface area for friction, delivering reliable power transfer and consistent performance during intense cycling sessions. \u003c\/li\u003e\n\u003cli\u003eIdeal for dedicated single speed and tandem bikes with eccentric shells, this classic bottom bracket combines innovative engineering with a stylish design for riders seeking durability, adjustability, and exceptional value.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Problem Solvers","offers":[{"title":"Default Title","offer_id":42206260101187,"sku":"CK0281","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CK0281-01.jpg?v=1773464013"},{"product_id":"problem-solvers-bushnell-eccentric-lightweight-bottom-bracket-eccentric-ck0282","title":"Lightweight Aluminum Eccentric Bottom Bracket 68mm x 54mm for Tandem \u0026 Single Speed Bikes - Adjustable Chain Tension, Black Finish","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your cycling setup with the Problem Solvers Bushnell Eccentric Lightweight Bottom Bracket - the industry-leading solution for precise chain tension adjustment on tandem and dedicated single-speed bicycles. Crafted from high-quality aluminum, this eccentric bottom bracket is designed to provide optimal performance, durability, and lightweight functionality essential for both performance-oriented cyclists and bike enthusiasts.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Engineering Excellence\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed from CNC-machined aluminum with a sleek black finish, the Problem Solvers Bushnell Eccentric Bottom Bracket offers exceptional strength-to-weight ratio. The lightweight, cut-out alloy body design minimizes weight without sacrificing durability, making it ideal for riders seeking efficient power transfer and reliable performance. The machining incorporates precise drilling to further reduce weight, enhancing overall bike responsiveness.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Components\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eDesigned for standard 68mm shell widths, this bottom bracket accepts English threaded cups (1.37 x 24 tpi), ensuring compatibility with a wide range of bicycles. Its eccentric configuration allows for effortless chain tension adjustments, making it perfect for single-speed and tandem bikes. The robust engineering ensures smooth rotation and long-lasting performance, even under demanding riding conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eFeaturing a sleek black finish, the Problem Solvers Bushnell Eccentric Bottom Bracket adds a professional and clean look to your bike. It is specially engineered for bikes with BB shells measuring from 53.8mm to 54mm I.D., providing a perfect fit and enhanced reliability. Whether you're customizing a single-speed commuter, upgrading your tandem bike, or fine-tuning your bike's tension for optimal efficiency, this bottom bracket delivers the precision and adjustability you need.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eInnovative Features \u0026amp; Benefits\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003e- Eccentric design for easy chain tension adjustment\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- Lightweight alloy construction with precision machining\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Accepts standard English threaded cups (1.37 x 24 tpi)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Fits BB shells 53.8mm to 54mm I.D.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Durable black anodized finish for corrosion resistance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003eOptimize your bike's performance with the Problem Solvers Bushnell Eccentric Lightweight Bottom Bracket - the ideal choice for cyclists seeking reliable, easy-adjustment chain tension solutions with minimal weight and maximum durability. Perfect for enthusiasts who prioritize quality, compatibility, and sleek design in their cycling components.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003eKeywords: lightweight bottom bracket, eccentric bottom bracket, single-speed bike parts, tandem bike components, aluminum bottom bracket, chain tension adjustment, black bottom bracket, English threaded bottom bracket, bike upgrades, cycling components\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eLightweight aluminum alloy construction with precision machining and drilling reduces weight without sacrificing strength, enhancing performance on tandem and single-speed bikes. \u003c\/li\u003e\n\u003cli\u003eDesigned specifically for eccentric bottom bracket shells with a 68mm width and 54mm I.D., ensuring a perfect fit for custom and dedicated single-speed setups. \u003c\/li\u003e\n\u003cli\u003eFeatures a durable black anodized finish that offers corrosion resistance and a sleek, modern look suitable for both performance and commuter bikes. \u003c\/li\u003e\n\u003cli\u003eCompatible with standard English threaded cups (1.37 x 24 tpi), offering easy installation and compatibility with a wide range of bike components. \u003c\/li\u003e\n\u003cli\u003eInnovative eccentric design allows precise chain tension adjustment, reducing maintenance and increasing riding stability for both casual and competitive cyclists.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Problem Solvers","offers":[{"title":"Default Title","offer_id":42206260592707,"sku":"CK0282","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CK0282-01.jpg?v=1780526340"},{"product_id":"problem-solvers-bushnell-eccentric-classic-bottom-bracket-eccentric-fs1354","title":"Problem Solvers Bushnell Eccentric Bottom Bracket - Silver, 100mm Fat Bike, Aluminum, Threaded BB Shell, Chain Tension Adjustment for Tandem \u0026 Single Speed Bikes","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your fat bike or single-speed setup with the Problem Solvers Bushnell Eccentric Bottom Bracket - the industry-leading solution for precise chain tension adjustment and durable performance. Crafted from high-quality aluminum, this classic, full-body bottom bracket offers superior surface area friction for enhanced stability and longevity. Designed specifically for fat bikes with a 100mm width and compatible with BB shells measuring 53.8 to 54mm I.D., it ensures an optimal fit for your bike's geometry.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eConstructed with an elegant silver finish, the Bushnell Eccentric Bottom Bracket combines style with performance, making it ideal for dedicated single speeds and tandem bikes that require reliable chain tensioning. With acceptance of standard English threaded cups (1.37 x 24 TPI), this bottom bracket ensures easy installation and compatibility with a wide range of components.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eInnovative Features \u0026amp; Benefits:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003e- Fat Bike Compatibility: 100mm width for aggressive off-road riding and rugged terrains.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003e- Premium Materials: Full-body aluminum construction reduces weight (only 310 grams) while maximizing durability.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003e- Eccentric Design: Allows effortless chain tension adjustments without removing the bottom bracket, perfect for customizing or tuning your bike.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003e- Versatile Fit: Fits BB shells from 53.8 to 54mm I.D., ensuring compatibility with a broad range of fat and single-speed bikes.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003e- Sleek Silver Finish: Adds a stylish, corrosion-resistant look suitable for any bike aesthetic.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eOptimize your bike's performance and eliminate chain slack with the Problem Solvers Bushnell Eccentric Bottom Bracket - engineered for durability, ease of use, and precise tension control. Whether conquering rugged trails or maintaining a clean, efficient single-speed setup, this bottom bracket is your go-to solution for dependable cycling performance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eEnhanced chain tension adjustment for tandem and single-speed fat bikes with the Problem Solvers Bushnell Eccentric Bottom Bracket, engineered for precise, reliable performance. \u003c\/li\u003e\n\u003cli\u003eConstructed from durable full-body aluminum for superior strength, lightweight feel, and maximum surface area friction, ensuring long-lasting durability. \u003c\/li\u003e\n\u003cli\u003eDesigned to fit BB shells from 53.8 to 54mm I.D. with compatibility for English threaded bottom bracket cups (1.37 x 24 TPI), making it versatile across various bike builds. \u003c\/li\u003e\n\u003cli\u003eFeaturing a sleek silver finish, this classic 100mm x 54mm fat bike bottom bracket combines style with functionality, perfect for aggressive riding or custom builds. \u003c\/li\u003e\n\u003cli\u003eInnovative eccentric design allows easy chain tension adjustments without removal, streamlining maintenance and optimizing drivetrain performance for road, mountain, or fat tire cycling adventures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Problem Solvers","offers":[{"title":"Default Title","offer_id":42207131009091,"sku":"FS1354","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/cds.jpg?v=1773369697"}],"url":"https:\/\/365cycles.com\/collections\/eccentrics.oembed","provider":"365 Cycles","version":"1.0","type":"link"}