{"product_id":"wheels-mfg-bsa30-bottom-bracket-68mm-30mm-spindle","title":"Wheels Mfg BSA30 Bottom Bracket 68mm English Thread for 30mm Spindle Cranks (104mm Min Spindle)","description":"\u003cp\u003e\u003cstrong\u003eRun modern 30mm spindle cranksets in a standard threaded frame—without switching to press-fit.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Wheels Manufacturing BSA30 bottom bracket is the clean solution for riders who want to install 30mm spindle cranksets into a traditional 68mm English-threaded (BSA) frame. Precision machined in the USA with sealed ABEC-3 bearings, this bottom bracket gives you the stiffness and performance of 30mm cranks with the reliability and serviceability of threaded systems.\u003c\/p\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Functional Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAllows 30mm spindle cranksets to fit standard BSA threaded frames\u003c\/li\u003e\n\u003cli\u003eDesigned for 68mm English-threaded (BSA) bottom bracket shells\u003c\/li\u003e\n\u003cli\u003eRequires minimum 104mm spindle length (critical for proper fit)\u003c\/li\u003e\n\u003cli\u003eABEC-3 sealed cartridge bearings for smooth, long-lasting performance\u003c\/li\u003e\n\u003cli\u003ePrecision machined alloy cups for lightweight durability\u003c\/li\u003e\n\u003cli\u003eThreaded system reduces creaking compared to press-fit setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eShell Width: 68mm\u003c\/li\u003e\n\u003cli\u003eThreading: English (BSA)\u003c\/li\u003e\n\u003cli\u003eSpindle Compatibility: 30mm\u003c\/li\u003e\n\u003cli\u003eMinimum Spindle Length: 104mm\u003c\/li\u003e\n\u003cli\u003eBearing Type: Sealed ABEC-3 cartridge\u003c\/li\u003e\n\u003cli\u003eCup Material: Alloy\u003c\/li\u003e\n\u003cli\u003eWeight: 98g\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Technical Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 68mm English-threaded (BSA) frames only\u003c\/li\u003e\n\u003cli\u003eCompatible with 30mm spindle cranksets (Race Face, Easton, Rotor, some SRAM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCritical:\u003c\/strong\u003e Crank spindle must be at least 104mm long (measured without spacers)\u003c\/li\u003e\n\u003cli\u003eWill NOT work with shorter spindle cranksets (common mistake)\u003c\/li\u003e\n\u003cli\u003eNot compatible with Shimano 24mm (Hollowtech II) or SRAM DUB cranksets\u003c\/li\u003e\n\u003cli\u003eIdeal for converting from square taper, GXP, or external 24mm systems to 30mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eService \/ Ownership Context\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent upgrade when moving to lighter, stiffer 30mm cranksets\u003c\/li\u003e\n\u003cli\u003eThreaded installation reduces long-term maintenance vs press-fit systems\u003c\/li\u003e\n\u003cli\u003eBearings are serviceable\/replacement-friendly compared to cheaper units\u003c\/li\u003e\n\u003cli\u003eInstall requires proper bottom bracket tool and torque spec\u003c\/li\u003e\n\u003cli\u003eCommon shop install due to spindle compatibility confusion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eFit \u0026amp; Use Signals\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood Fit:\u003c\/strong\u003e Riders upgrading to 30mm cranksets on BSA frames, gravel and road performance builds, creak-free conversions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot A Fit:\u003c\/strong\u003e Cranks with spindle length under 104mm, Shimano 24mm systems, SRAM DUB setups, press-fit frames\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Case:\u003c\/strong\u003e Performance upgrade, drivetrain conversion, threaded alternative to press-fit 30mm systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv data-ai=\"mechanic-insight\" style=\"display:none\"\u003e\n\u003cstrong\u003e1. Real Mechanic Insights\u003c\/strong\u003e\n- The 104mm spindle requirement is where most installs fail—customers assume all 30mm cranks fit, they don’t\n- Always measure spindle WITHOUT spacers or preload adjusters\n- Threaded BSA30 setups are significantly quieter than BB30\/PF30 press-fit equivalents\n- Bearing life depends heavily on crank preload setup—too tight kills bearings fast\n\n\u003cstrong\u003e2. Typical Customer Searches\u003c\/strong\u003e\n- “30mm crank in BSA frame”\n- “BB30 to BSA adapter bottom bracket”\n- “why does my BB30 creak”\n- “can I run 30mm crank in threaded frame”\n\n\u003cstrong\u003e3. Often Replacing\u003c\/strong\u003e\n- Press-fit BB30\/PF30 systems due to creaking\n- Worn GXP or Hollowtech II bottom brackets during crank upgrades\n- Cheap adapters that cause misalignment\n\n\u003cstrong\u003e4. Good Fit \/ Not A Fit\u003c\/strong\u003e\n- Good Fit: Race Face Cinch 30mm, Easton EC90, Rotor 3D+ (with correct spindle length)\n- Not A Fit: SRAM DUB, Shimano Hollowtech II, short spindle BB30 cranks\n\n\u003cstrong\u003e5. Recommended Shop Pairings\u003c\/strong\u003e\n- Bottom bracket install service\n- Crankset upgrade (30mm spindle systems)\n- New chain + cassette for drivetrain refresh\n- Frame thread chasing\/facing for optimal alignment\n\n\u003cstrong\u003e6. What Customers Compare This To\u003c\/strong\u003e\n- Praxis Works BSA30 bottom brackets\n- SRAM DUB threaded systems\n- BB30\/PF30 press-fit setups (this is often the upgrade away from those)\n\u003c\/div\u003e","brand":"Wheels Manufacturing","offers":[{"title":"Default Title","offer_id":53408199278906,"sku":"GG-BB-WMFG-BSA30-68-30MM","price":118.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5735\/8394\/files\/210420.jpg?v=1777923211","url":"https:\/\/gograva.com\/products\/wheels-mfg-bsa30-bottom-bracket-68mm-30mm-spindle","provider":"Grava Adventure Corporation","version":"1.0","type":"link"}