{"title":"Bottom Brackets","description":"","products":[{"product_id":"brompton-bottom-bracket-jis-119mm-cartridge-qbbcar","title":"Brompton Bottom Bracket JIS 119mm cartridge - QBBCART-119-JIS","description":"\u003ch2\u003eSealed Cartridge Bottom Bracket for Smooth, Quiet Pedaling\u003c\/h2\u003e\n\u003cp\u003eThis factory replacement bottom bracket is a sealed cartridge unit designed to restore smooth crank rotation and consistent bearing feel on compatible Brompton bikes. If your current bottom bracket feels gritty, develops play, or starts to creak under load, this is the correct replacement format to bring the drivetrain back to a solid, quiet baseline.\u003c\/p\u003e\n\u003cp\u003eIt’s a 68 x 119 mm JIS cartridge bottom bracket supplied with plastic cups for straightforward replacement. For best results and correct torque, installation is recommended by a qualified bicycle mechanic.\u003c\/p\u003e\n\u003ch3\u003eSimple. Solid. Reliable.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOEM replacement sealed cartridge bottom bracket for Brompton\u003c\/li\u003e\n\u003cli\u003e68 x 119 mm JIS format with plastic cups\u003c\/li\u003e\n\u003cli\u003eSealed cartridge design helps keep contamination out for consistent performance\u003c\/li\u003e\n\u003cli\u003eIdeal replacement when bearings feel rough, loose, or noisy\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Brompton","offers":[{"title":"Default","offer_id":51031219306818,"sku":"Q100001","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/5177\/1458\/files\/brompton-bottom-bracket-jis-119-mm-cartridge-qbbca.jpg?v=1753372033"},{"product_id":"tpw-brompton-titanium-spindle-bottom-bracket-endur","title":"TPW Brompton Titanium Spindle Bottom Bracket - Enduro Ceramic Bearings - 118.5","description":"\u003cp\u003eThe bottom bracket is the unsung workhorse of any bicycle. Treat your Brompton to a special upgrade with titanium bottom bracket from Ti Parts Workshop. This bottom bracket weighs 142g; that's 107g lighter than the 249g bottom bracket that comes stock on your Brompton. Best of all, Enduro ceramic bearings guarantee maximum performance and longevity, ensuring that your cranks stay spinning smoothly for many miles to come. \u003c\/p\u003e","brand":"Ti Parts Workshop","offers":[{"title":"Black","offer_id":51031424631106,"sku":"BB-3B","price":324.0,"currency_code":"USD","in_stock":true},{"title":"Gray","offer_id":51031424663874,"sku":"BB-3I","price":324.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/5177\/1458\/files\/tpw-brompton-titanium-spindle-bottom-bracket-endur.jpg?v=1753375048"},{"product_id":"white-industries-external-bsa-bottom-bracket-for-b","title":"White Industries External BSA Bottom Bracket for Brompton","description":"\u003ch2\u003ePremium Bottom Bracket for Brompton Bikes\u003c\/h2\u003e\n\u003cp\u003eThe White Industries External BSA Bottom Bracket brings precision engineering and long-lasting performance to Brompton folding bikes. Made in-house at White Industries' California facility, this bottom bracket features Enduro stainless steel angular contact bearings housed in precision-machined BSA threaded cups. The 30mm spindle diameter provides the ideal fit for Brompton cranks while the external bearing design places bearings outboard of the frame's bottom bracket shell for improved stiffness and bearing longevity.\u003c\/p\u003e\n\u003cp\u003eBuilt to BSA (Birmingham Small Arms Company) thread standards—also known as British or English threading—this bottom bracket uses the 1.37\" x 24 TPI thread specification that's standard on Brompton bikes. White Industries' machining precision ensures smooth threading and proper bearing preload, while external seals protect the stainless steel bearings from water, dirt, and contamination. Available in seven anodized colors with machine-engraved logos, these bottom brackets combine performance with distinctive style.\u003c\/p\u003e\n\n\u003ch3\u003eBuilt to Last\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMade in the USA at White Industries' California facility with precision CNC machining.\u003c\/li\u003e\n  \u003cli\u003e30mm bearing size specifically compatible with Brompton cranks and other 30mm spindle cranks.\u003c\/li\u003e\n  \u003cli\u003eEnduro stainless steel angular contact bearings provide smooth rotation and long service life.\u003c\/li\u003e\n  \u003cli\u003eExternal bearing design positions bearings outboard of the bottom bracket shell for increased stiffness and improved bearing protection.\u003c\/li\u003e\n  \u003cli\u003eBSA threaded cups use standard 1.37\" x 24 TPI British\/English threading for universal compatibility.\u003c\/li\u003e\n  \u003cli\u003eDesigned for 68mm or 73mm wide bottom bracket shells.\u003c\/li\u003e\n  \u003cli\u003eExternal seals sit directly against bearings to keep out water, dirt, and contaminants—part numbers molded into seals face outward.\u003c\/li\u003e\n  \u003cli\u003eAnodized finish with machine-engraved White Industries logos for durability and style.\u003c\/li\u003e\n  \u003cli\u003eAvailable in seven colors: Black, Blue, Gold, Pink, Purple, Red, and Polished Silver.\u003c\/li\u003e\n  \u003cli\u003eServiceable design allows bearing replacement to extend bottom bracket life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n","brand":"White Industries","offers":[{"title":"Black \/ 30mm","offer_id":51031541678402,"sku":"BBE30BSABK","price":138.0,"currency_code":"USD","in_stock":false},{"title":"Purple \/ 30mm","offer_id":51031541711170,"sku":"BBE30BSAPP","price":157.0,"currency_code":"USD","in_stock":false},{"title":"Red \/ 30mm","offer_id":51031541743938,"sku":null,"price":138.0,"currency_code":"USD","in_stock":false},{"title":"Blue \/ 30mm","offer_id":51031541776706,"sku":null,"price":138.0,"currency_code":"USD","in_stock":false},{"title":"Gold \/ 30mm","offer_id":51031541809474,"sku":null,"price":138.0,"currency_code":"USD","in_stock":false},{"title":"Pink \/ 30mm","offer_id":51031541842242,"sku":null,"price":138.0,"currency_code":"USD","in_stock":false},{"title":"Silver \/ 30mm","offer_id":51031541875010,"sku":"210000025972","price":138.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/5177\/1458\/files\/White_Industries_Bottom_Bracket_BSA_EXTERNAL_30MM_BLACK-1.jpg?v=1769556566"},{"product_id":"shimano-bb-rs500-hollowtech-ii-press-fit-bottom-br","title":"Shimano BB-RS500 Hollowtech II Press-Fit Bottom Bracket","description":"\u003ch2\u003eReliable Press-Fit Bottom Bracket for Road Bikes\u003c\/h2\u003e\n\u003cp\u003eThe Shimano BB-RS500 Hollowtech II Press-Fit Bottom Bracket is a Tiagra-level component designed for press-fit road frames with 86.5mm shell width and 41mm outer diameter bearings. This bottom bracket provides a solid foundation for all Shimano Hollowtech II cranksets with 24mm spindles, delivering smooth rotation and durable performance for road cycling. The sealed cartridge bearing system protects against the elements while ensuring long-lasting, reliable operation across miles of training and racing.\u003c\/p\u003e\n\u003cp\u003eDesigned for BB86 frame interfaces, the BB-RS500 includes cups, sealed cartridge bearings, and an inner sleeve for complete installation. The press-fit design provides a secure, integrated fit within the frame's bottom bracket shell, while the sealed bearings minimize maintenance requirements and maximize durability. Compatible with all Shimano Hollowtech II cranksets as well as other 24mm spindle systems including FSA MegaExo, the BB-RS500 offers versatile compatibility and proven Shimano quality at an accessible price point. Note that while the cups can be used on BB92 frames, the inner sleeve will not fit properly and should be reused from the old bottom bracket.\u003c\/p\u003e\n\n\u003ch3\u003eSmooth and Durable Performance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTiagra-level press-fit bottom bracket for BB86 road frames.\u003c\/li\u003e\n  \u003cli\u003eCompatible with all Shimano Hollowtech II 24mm spindle cranksets.\u003c\/li\u003e\n  \u003cli\u003eAlso works with FSA MegaExo, Surly OD, and RaceFace EXI 24mm spindles.\u003c\/li\u003e\n  \u003cli\u003eSealed cartridge bearing system provides smooth rotation and protection.\u003c\/li\u003e\n  \u003cli\u003eDesigned for 86.5mm shell width and 41mm outer diameter (PF41) bearings.\u003c\/li\u003e\n  \u003cli\u003eIncludes cups, sealed cartridge bearings, and inner sleeve.\u003c\/li\u003e\n  \u003cli\u003ePress-fit design integrates securely within frame bottom bracket shell.\u003c\/li\u003e\n  \u003cli\u003eSealed bearings minimize maintenance and maximize durability.\u003c\/li\u003e\n  \u003cli\u003eLong-lasting performance for training and racing miles.\u003c\/li\u003e\n  \u003cli\u003eLightweight construction at approximately 70-73 grams.\u003c\/li\u003e\n  \u003cli\u003eBlack finish for clean, professional appearance.\u003c\/li\u003e\n  \u003cli\u003eProven Shimano quality at accessible price point.\u003c\/li\u003e\n  \u003cli\u003eCups can be used on BB92 frames (reuse inner sleeve from old bottom bracket).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n","brand":"Shimano","offers":[{"title":"Default","offer_id":51031605739842,"sku":"EBBRS500PB","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/5177\/1458\/files\/shimano_bb-rs500_press-fit_bottom_bracket.jpg?v=1768435590"},{"product_id":"cane-creek-hellbender-110-bottom-bracket-bsa-threaded","title":"Cane Creek Hellbender 110 Bottom Bracket BSA Threaded","description":"\u003ch2\u003ePremium Ceramic Bottom Bracket with Lifetime Guarantee\u003c\/h2\u003e\n\u003cp\u003eThe Hellbender 110 Ceramic uses the highest level of bearing technology available. Our finest level of Hellbender bottom bracket provides an incredible mix of performance and longevity through the inclusion of Enduro XD-15 ceramic bearings. These bearings feature nitrogen-infused stainless steel races that will not rust or corrode paired with Silicon Nitride ceramic balls. Silicon Nitride is many times harder than steel, and as a result, increases the lifespan of this bottom bracket dramatically.\u003c\/p\u003e\n\u003cp\u003eLike our 110 headsets, Hellbender 110 Ceramic provides the ultimate peace of mind. With the complexities of the modern bicycle, this 'backbone' component should not be one you have to worry about replacing. We are so confident that this bottom bracket technology is the highest standard of quality that it has earned the right to be called 110 and includes the lifetime guarantee that has become synonymous with the Cane Creek 110 name.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Performance and Longevity\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e100% Lifetime Guarantee backs the highest standard of quality and craftsmanship.\u003c\/li\u003e\n\u003cli\u003eEnduro XD-15 ultra-premium ceramic bearings provide exceptional performance and durability.\u003c\/li\u003e\n\u003cli\u003eNitrogen-infused stainless steel races will not rust or corrode for reliable long-term use.\u003c\/li\u003e\n\u003cli\u003eSilicon Nitride ceramic balls are 60% lighter and seven times harder than steel, dramatically increasing lifespan.\u003c\/li\u003e\n\u003cli\u003ePure silicon nitride material with extreme high density and uniform compaction.\u003c\/li\u003e\n\u003cli\u003eMachined aluminum cups with dual-stage anodize black and gold finish.\u003c\/li\u003e\n\u003cli\u003eKluber NBU52 grease runs better and smoother with time, highly resistant to being washed out.\u003c\/li\u003e\n\u003cli\u003eEngineered grease sticks to the balls and continually pulls back into the ball path where needed.\u003c\/li\u003e\n\u003cli\u003eRadial bearing design optimizes power transfer and efficiency.\u003c\/li\u003e\n\u003cli\u003ePrecision-crafted package ensures worry-free performance mile after mile.\u003c\/li\u003e\n\u003cli\u003eAvailable in BSA threaded, BB30, PF30, and T47 variations.\u003c\/li\u003e\n\u003cli\u003eCompatible with 30mm crank spindles only.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cane Creek","offers":[{"title":"Default Title","offer_id":51749683855682,"sku":"BAI0179","price":350.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/5177\/1458\/files\/110_BB_BSA_WhiteBG_2048x2048_f5fd1022-3074-495e-b35f-f821cfed75d7.jpg?v=1769458567"}],"url":"https:\/\/clevercycles.com\/collections\/bottom-brackets.oembed","provider":"Clever Cycles | Bikes \u0026 Ebikes","version":"1.0","type":"link"}