{"product_id":"shimano-pf24-tiagra-bb-rs500-pb-bottom-bracket","title":"Shimano Pf24 Tiagra Bb-rs500-pb Bottom Bracket","description":"\u003ch1\u003eShimano PF24 Tiagra BB-RS500-PB Bottom Bracket\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Shimano PF24 Tiagra BB-RS500-PB is a sealed cartridge bottom bracket engineered for road and gravel cycling. The 24mm hollow-core axle reduces weight while maintaining rigid power transfer, and sealed bearings protect against moisture and contamination in varied conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePress-fit installation\u003c\/strong\u003e — 86.5mm shell diameter fits standard road and gravel frame bottom bracket shells without external cups or adapters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealed cartridge design\u003c\/strong\u003e — Integrated bearing seals keep internal components protected from water, dirt, and moisture for extended service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24mm hollow axle\u003c\/strong\u003e — Lightweight yet rigid construction reduces rotational mass while maintaining efficient power transfer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e41mm internal diameter\u003c\/strong\u003e — Optimized for 24mm crankset spindles across Shimano road and gravel groupsets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight construction\u003c\/strong\u003e — 71g weight minimizes drivetrain mass without compromising durability or performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBottom bracket type: Press-fit cartridge\u003c\/li\u003e\n\u003cli\u003eShell diameter: 86.5mm\u003c\/li\u003e\n\u003cli\u003eAxle diameter: 24mm (hollow core)\u003c\/li\u003e\n\u003cli\u003eInternal diameter: 41mm\u003c\/li\u003e\n\u003cli\u003eWeight: 71g\u003c\/li\u003e\n\u003cli\u003eBearing type: Sealed cartridge bearings\u003c\/li\u003e\n\u003cli\u003eCompatibility: Shimano Tiagra and compatible 24mm crankset systems\u003c\/li\u003e\n\u003cli\u003eFinish: Standard Shimano protective coating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility and Ideal Use Cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCompatible with road and gravel frames featuring 86.5mm press-fit bottom bracket shells and Shimano 24mm crankset systems. Essential for Tiagra groupset builds or upgrades requiring reliable sealed bearing performance. Ideal for riders in wet or variable conditions where bearing protection extends maintenance intervals. Works with Shimano road and gravel cranksets across compatible groupset generations. Requires press-fit installation tool or professional bike shop installation.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ci\u003e\u003cu\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e**Due to unique nature of this item, ALL sales of this product are FINAL. No Refunds or Returns**\u003c\/b\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e","brand":"SHIMANO","offers":[{"title":"Black","offer_id":45037913079987,"sku":"SHEBBRS500PB","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8737\/2979\/files\/shimano-pf24-tiagra-bb-rs500-pb-bottom-bracket.jpg?v=1783446179","url":"https:\/\/time2shinebmx.com\/products\/shimano-pf24-tiagra-bb-rs500-pb-bottom-bracket","provider":"Time 2 Shine ","version":"1.0","type":"link"}