{"product_id":"prestine-pt-6637-pf30-shimano-bottom-bracket","title":"Prestine PT-6637 PF30 Shimano Bottom Bracket","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv\u003e\n\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePrestine PT-6637 PF30 Bottom Bracket\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eThe PT-6637 PF30 bottom bracket is a precision-engineered adapter designed to convert PF30 frames for use with 24mm spindle cranksets, making it fully compatible with Shimano groupsets. Built for riders seeking a reliable and creak-free interface, it delivers smooth, consistent power transfer across road, gravel, and MTB applications.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eManufactured from CNC machined AL6061 aluminium, the cups provide excellent strength while maintaining a lightweight profile. The anodised finish enhances durability and corrosion resistance, ensuring long-term performance in all riding conditions. High-quality sealed cartridge bearings offer low-friction rotation and dependable longevity, helping to keep your drivetrain running efficiently.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eDesigned around the PF30 standard, this bottom bracket fits frames with a 46mm internal shell diameter and supports both 68mm road and 73mm MTB shell widths. The press-fit design ensures a secure and precise installation, making it a versatile upgrade or replacement solution.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eModel: PT-6637\u003c\/li\u003e\n\u003cli\u003eType: PF30 to BB24 adapter bottom bracket\u003c\/li\u003e\n\u003cli\u003eFrame compatibility: PF30 press-fit (46mm shell diameter)\u003c\/li\u003e\n\u003cli\u003eShell width compatibility: 68mm (road), 73mm (MTB)\u003c\/li\u003e\n\u003cli\u003eCrank compatibility: 24mm spindle, Shimano compatible\u003c\/li\u003e\n\u003cli\u003eBearings: Sealed cartridge bearings (37 x 7, R414)\u003c\/li\u003e\n\u003cli\u003eCup material: CNC machined AL6061 aluminium\u003c\/li\u003e\n\u003cli\u003eFinish: Anodized\u003c\/li\u003e\n\u003cli\u003eUse: Road and MTB applications\u003c\/li\u003e\n\u003cli\u003eInstallation: Press-fit system (L\/R cups OD 46mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"Prestine","offers":[{"title":"PF30","offer_id":57682253709699,"sku":"BB50084 \/ B46 A2","price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/0196\/4698\/files\/57_307bbbf8-7558-4f45-bdf9-a829bc3bd572.png?v=1774560217","url":"https:\/\/sportandleisure.com\/en-us\/products\/prestine-pt-6637-pf30-shimano-bottom-bracket","provider":"Sport \u0026 Leisure","version":"1.0","type":"link"}