{"product_id":"box-one-m35-crankset","title":"Box One M35 Crankset","description":"\u003ch2\u003eBox One M35 Crankset\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Box One M35 is the world's first BMX crankset featuring a Praxis 35mm external bottom bracket system. Engineered for elite racing with hollow forged 7075 aluminum crank arms and a massive 35mm cold-forged spindle, it delivers maximum stiffness and precision. Compatible exclusively with BB30\/PF30 bottom bracket shells.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePraxis 35mm External Bottom Bracket\u003c\/strong\u003e – Industry-first BMX system; 35mm spindle diameter provides unprecedented stiffness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHollow Forged 7075 Aluminum Crank Arms\u003c\/strong\u003e – Lightweight yet incredibly rigid construction optimized for racing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold-Forged 7075 Aluminum Spindle\u003c\/strong\u003e – 35mm diameter spindle resists deflection and maintains precision through extreme racing loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Stiffness\u003c\/strong\u003e – Claimed to be the absolute stiffest BMX race crankset available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision CNC-Machined Chromoly\/Alloy Self-Extracting Bolt System\u003c\/strong\u003e – Simplifies installation and removal without special tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e104mm BCD\u003c\/strong\u003e – Compatible with standard BMX chainrings for drivetrain flexibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e168mm Q-Factor\u003c\/strong\u003e – Optimized crank spacing for efficient power transfer and pedaling position\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaser-Etched Graphics\u003c\/strong\u003e – Durable branding without added weight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Bottom Bracket\u003c\/strong\u003e – Praxis M35 external BB with precision Enduro bearings included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Tools\u003c\/strong\u003e – Two M35 BB installation tools included for proper assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Racing Design\u003c\/strong\u003e – Engineered for elite BMX racers demanding maximum performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Construction\u003c\/strong\u003e – 739g (175mm length) for racing-focused builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: 7075-T6 aluminum (crank arms and spindle)\u003c\/li\u003e\n\u003cli\u003eBottom bracket: Praxis M35 external (BB30\/PF30 compatible)\u003c\/li\u003e\n\u003cli\u003eSpindle diameter: 35mm\u003c\/li\u003e\n\u003cli\u003eBCD: 104mm\u003c\/li\u003e\n\u003cli\u003eQ-factor: 168mm\u003c\/li\u003e\n\u003cli\u003eCrank type: 2-piece crankset\u003c\/li\u003e\n\u003cli\u003eShell compatibility: PF30 or BB30 only\u003c\/li\u003e\n\u003cli\u003eWeight: 739g (26.1 oz) at 175mm length\u003c\/li\u003e\n\u003cli\u003eFinish: Laser-etched graphics\u003c\/li\u003e\n\u003cli\u003eIncluded components:\n\u003cul\u003e\n\u003cli\u003ePraxis M35 external bottom bracket with precision Enduro bearings\u003c\/li\u003e\n\u003cli\u003eTwo M35 BB installation tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eSelf-extracting crank bolt system: Chromoly\/alloy construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Ideal Use Cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBB30\/PF30 Bottom Bracket Shells\u003c\/strong\u003e – Exclusive compatibility with modern BB30 or PF30 frame shells\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional BMX Racing\u003c\/strong\u003e – Elite-grade component engineered for competitive racing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Stiffness Applications\u003c\/strong\u003e – Demands for absolute crank rigidity and precision\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e104mm BCD Chainrings\u003c\/strong\u003e – Compatible with standard BMX chainrings for drivetrain options\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElite Racers\u003c\/strong\u003e – Purpose-built for professional and national-level BMX competitors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-Focused Builds\u003c\/strong\u003e – For riders demanding maximum performance and stiffness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern Frame Geometry\u003c\/strong\u003e – Fits contemporary BMX racing frames with BB30\/PF30 shells\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBuild Requirements \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBB30 or PF30 Frame Shell\u003c\/strong\u003e – Frame MUST have BB30 or PF30 bottom bracket shell; incompatible with all other BB types\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e104mm BCD Chainring\u003c\/strong\u003e – Select 104mm BCD 4-bolt chainring for drivetrain (sold separately)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePedals\u003c\/strong\u003e – Standard BMX pedals compatible with crank arms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Tools\u003c\/strong\u003e – Two M35 BB installation tools included; no additional tools required for BB installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive-Side Seal\u003c\/strong\u003e – Drive-side bottom bracket seal not included; purchase separately if needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Compatibility Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCOMPATIBLE with:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eBSA (Euro) bottom bracket shells\u003c\/li\u003e\n\u003cli\u003eBB86 bottom bracket shells\u003c\/li\u003e\n\u003cli\u003eBB90 bottom bracket shells\u003c\/li\u003e\n\u003cli\u003eT47 bottom bracket shells\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eFrame verification is CRITICAL; M35 will NOT fit any bottom bracket shell except BB30\/PF30\u003c\/li\u003e\n\u003cli\u003eVerify your frame specification before ordering; incompatible installation will not work\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eShips direct from manufacturer in USA; may ship separately from other orders\u003c\/li\u003e\n\u003cli\u003eWorld's first 35mm external bottom bracket BMX crankset\u003c\/li\u003e\n\u003cli\u003e35mm spindle diameter provides maximum stiffness for elite racing\u003c\/li\u003e\n\u003cli\u003eHollow forged construction minimizes weight while maximizing rigidity\u003c\/li\u003e\n\u003cli\u003eQ-factor 168mm optimized for efficient power transfer and comfort\u003c\/li\u003e\n\u003cli\u003eSelf-extracting bolt system simplifies installation and crank removal\u003c\/li\u003e\n\u003cli\u003ePraxis M35 external BB with Enduro bearings included; no additional BB purchase required\u003c\/li\u003e\n\u003cli\u003eTwo M35 BB installation tools included for proper assembly\u003c\/li\u003e\n\u003cli\u003eDrive-side seal not included; purchase separately if needed\u003c\/li\u003e\n\u003cli\u003eLaser-etched graphics provide durable branding without weight penalty\u003c\/li\u003e\n\u003cli\u003eProfessional-grade component for elite BMX racers\u003c\/li\u003e\n\u003cli\u003e739g weight (175mm) competitive despite extreme stiffness\u003c\/li\u003e\n\u003cli\u003ePrecision engineering and cold-forging process ensure consistency\u003c\/li\u003e\n\u003cli\u003eBB30\/PF30 compatibility exclusive; NOT compatible with traditional BSA or other BB standards\u003c\/li\u003e\n\u003cli\u003eElite-level performance and precision justify professional-grade pricing\u003c\/li\u003e\n\u003c\/ul\u003e \u003cdiv\u003e\u003cp.\u003e\u003ci\u003e\u003cu\u003e\u003cfont size=\"2\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/p.\u003e\u003c\/div\u003e\u003cdiv style=\"\"\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cfont size=\"3\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e\u003cdiv style=\"\"\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cfont size=\"3\"\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\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e","brand":"Box","offers":[{"title":"Black \/ 177.5mm","offer_id":45289015279795,"sku":"BX-CK1335177-BK","price":424.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ 172.5mm","offer_id":45283202859187,"sku":"BX-CK1335172-BK","price":424.99,"currency_code":"USD","in_stock":false},{"title":"Black \/ 180mm","offer_id":45037872316595,"sku":"BX-CK1335180-BK","price":424.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ 175mm","offer_id":45283202891955,"sku":"BX-CK1335175-BK","price":424.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8737\/2979\/files\/box-one-m35-crankset.jpg?v=1783444549","url":"https:\/\/time2shinebmx.com\/products\/box-one-m35-crankset","provider":"Time 2 Shine ","version":"1.0","type":"link"}