{"product_id":"race-face-unisex-73mm-30mm-ext-seal-bb19bsa687330-black","title":"RaceFace unisex Cinch 30mm Sealed Bottom Bracket — Black, Standard fit for English (BSA) frames, lightweight 87g","description":"\u003cp\u003e\u003cstrong\u003eRace Face Unisex 30mm Cinch sealed bottom bracket for 68\/73mm English (BSA) frames — lightweight, sealed bearings engineered to fit Race Face Cinch 30mm spindles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Race Face bottom bracket replacement (model BB19BSA687330) is a threaded English (BSA) unit built to accept 30mm axles and fit frames with 68mm or 73mm shell widths. Designed as a direct accessory for Race Face Cinch crank systems, it pairs sealed bearings with a compact, low-profile cup design to keep drivetrain play minimal and rolling smooth. At just 87 grams, it balances durability and weight savings for riders who want reliable bearing performance without adding unnecessary bulk.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does this bottom bracket fit and how do I check compatibility?\u003c\/h3\u003e\n\n\u003cp\u003eThis unit is made for bikes that use an English threaded (BSA) bottom bracket shell and Race Face Cinch cranks with 30mm spindles. Confirm your frame’s shell width is 68mm or 73mm and that your crank manufacturer specifies a 30mm spindle diameter before purchasing.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eShell type: English threaded (BSA)\u003c\/li\u003e\n  \u003cli\u003eShell width compatibility: 68mm and 73mm\u003c\/li\u003e\n  \u003cli\u003eSpindle diameter compatibility: Race Face Cinch 30mm\u003c\/li\u003e\n  \u003cli\u003eColor\/finish: black anodized cups for a clean look\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the sealed bearing design affect maintenance and performance?\u003c\/h3\u003e\n\n\u003cp\u003eSealed bearings reduce contamination from water, mud, and grit, which helps bearings last longer and stay smooth between service intervals. While sealed units still require periodic inspection, they generally need less frequent repacking and cleaning than open-bearing systems.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSealed bearings limit ingress of dirt and moisture\u003c\/li\u003e\n  \u003cli\u003eLower maintenance compared with open cup designs\u003c\/li\u003e\n  \u003cli\u003eConsistent rolling feel for longer riding blocks\u003c\/li\u003e\n  \u003cli\u003eEasy to replace when wear eventually occurs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what tools are required?\u003c\/h3\u003e\n\n\u0026gt; \u003cp\u003eInstallation is straightforward for anyone familiar with threaded bottom brackets and common bike tools. You’ll need a BSA bottom bracket tool compatible with Race Face cups and a torque wrench to tighten to manufacturer specifications for a secure, creak-free fit.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRequired tool: Race Face\/BSA-compatible BB cup tool\u003c\/li\u003e\n  \u003cli\u003eSuggested: torque wrench for correct preload and cup torque\u003c\/li\u003e\n  \u003cli\u003eBasic mechanical skill: moderate (thread cleaning and grease recommended)\u003c\/li\u003e\n  \u003cli\u003eTypical install time: 15–30 minutes for experienced mechanics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical specs and why do they matter on the trail?\u003c\/h3\u003e\n\n\u003cp\u003eThe BB19BSA687330 weighs approximately 87 grams and uses a 30mm spindle interface, offering a balance between stiffness and rotational smoothness. A compact, properly fitted bottom bracket reduces lateral play and improves power transfer, which riders notice when accelerating or climbing.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eWeight: 3.1 ounces (87 g) — keeps rotating mass low\u003c\/li\u003e\n  \u003cli\u003eAxle type: Race Face Cinch 30mm compatibility for stiffness\u003c\/li\u003e\n  \u003cli\u003eShell type: English threaded for broad frame compatibility\u003c\/li\u003e\n  \u003cli\u003eFinish: black for discreet integration with most frames\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This sealed Race Face BSA bottom bracket is aimed at riders using Race Face Cinch cranksets who want a low-maintenance, lightweight replacement for 68mm or 73mm English-threaded frames. It's well suited for cross-country, trail, and all-mountain riders who prioritize reliable bearing performance and straightforward installation. If you run a different spindle diameter, a press-fit shell, or a non-English thread, choose a model matched to those standards instead.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this bottom bracket compatible with non-Race Face cranks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It’s designed for 30mm Race Face Cinch spindles; some other 30mm cranks may fit, but check axle interface specs before installing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this in a 73mm shell without spacers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the unit supports both 68mm and 73mm English shells; follow install torque and thread-prep guidance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"RaceFace","offers":[{"title":"Default Title","offer_id":48030259675297,"sku":"B07PB5G3DW","price":151.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/raceface-bottom-bracket-front-profile.jpg?v=1791399341","url":"https:\/\/canadiansporting.ca\/products\/race-face-unisex-73mm-30mm-ext-seal-bb19bsa687330-black","provider":"Canadian Sporting","version":"1.0","type":"link"}