{"product_id":"crupi-20-x-1-3-8-28h-centerlock-wheelset","title":"Crupi 20 x 1-3\/8 28H CenterLock Wheelset","description":"\u003ch1\u003eCrupi 20 x 1-3\/8 28H CenterLock Wheelset\u003c\/h1\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e\n  The Crupi 20 x 1-3\/8 28H CenterLock Wheelset is an all-new 2026 race wheelset built for Junior, Expert, and Expert 2X BMX riders who demand the fastest engagement and the most reliable hardware on the track. At the heart of this build is Crupi's Quad CenterLock hubset, featuring 150 ratchet teeth that engage every 2.4 degrees - delivering near-instant power transfer through Crupi's proven Spring and Pawl engagement system. The rear hub comes equipped with 6mm Allen screws, eliminating the need for tensioner spacers and making installation seamless in frames with enclosed dropouts.\n\u003c\/p\u003e\n\u003cp\u003e\n  Laced with 15G spokes and alloy nipples to Crupi's race-tested 451mm Rhythm Section 28H rims, this wheelset is designed to be both stiff and light at just 3 lbs 3 oz. A standout feature is the CenterLock system's future-ready design: with the optional Crupi Disc Brake Adapter Kit, you can convert the hub for disc brake use, giving this wheelset serious long-term versatility.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuad CenterLock Hubset:\u003c\/strong\u003e 150 ratchet teeth engaging every 2.4 degrees - Crupi's fastest Spring and Pawl engagement system in BMX.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e451mm Rhythm Section 28H Rims:\u003c\/strong\u003e Race-tested alloy rims laced with 15G spokes and alloy nipples for a stiff, reliable build.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisc Brake Ready:\u003c\/strong\u003e CenterLock hub is compatible with Crupi's Disc Brake Adapter Kit for conversion to disc (adapter sold separately).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eV-Brake \u0026amp; Disc Compatible:\u003c\/strong\u003e Works with both Disc and V-Brake setups for maximum frame compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6mm Allen Rear Hub Screws:\u003c\/strong\u003e Eliminates the need for tensioner spacers; fits cleanly into frames with enclosed dropouts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Cog Spacers Included:\u003c\/strong\u003e Fine-tune cog positioning for optimal chain alignment with your specific frame setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes 16T Aluminum Cog:\u003c\/strong\u003e Race-ready aluminum cog included; upgrade to 13t, 14t, 15t, 17t, or 18t available at additional cost.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight - 3 lbs 3 oz:\u003c\/strong\u003e Lightweight wheelset with a recommended rider weight limit of 140 lbs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePresta Valve Compatible:\u003c\/strong\u003e Wheels require Presta tubes (not included).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJunior, Expert \u0026amp; Expert 2X Frame Fit:\u003c\/strong\u003e Designed specifically to fit Crupi Junior, Expert, and Expert 2X BMX frames.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCog Size Options \u0026amp; Which to Choose\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e16T (included, no extra cost):\u003c\/strong\u003e The standard included cog - a versatile all-around choice that suits most Expert and Junior riders on typical BMX tracks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e13T (add $10):\u003c\/strong\u003e A smaller cog for a higher top-end gear ratio - ideal for riders who prefer a harder gear and generate a lot of power out of the gate.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e14T (add $10):\u003c\/strong\u003e A step up from 13T, providing slightly more low-end response while still delivering a punchy gear ratio for aggressive riders.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e15T (add $10):\u003c\/strong\u003e A middle-ground option between the included 16T and smaller cogs - great for riders dialing in their gearing on specific track layouts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e17T (add $10):\u003c\/strong\u003e A slightly easier gear than the stock 16T, offering quicker spin-up and more cadence - well suited for shorter tracks or younger Expert riders.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e18T (add $10):\u003c\/strong\u003e The easiest gear option, maximizing low-speed acceleration and cadence - best for smaller Junior riders or tracks with tight, technical rhythm sections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCrupi Quad CenterLock 28H Front \u0026amp; Rear Wheelset (20 x 1-3\/8\")\u003c\/li\u003e\n  \u003cli\u003e16T Aluminum Cog\u003c\/li\u003e\n  \u003cli\u003e4 Cog Spacers\u003c\/li\u003e\n  \u003cli\u003eRim Tape\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cp\u003e\n  Crupi has been building race-proven BMX components for decades, and the 2026 CenterLock Wheelset represents the next evolution of their flagship wheel program. The Quad CenterLock hub's 150-tooth engagement is engineered to give competitive riders the kind of snap-response they need off the gate and out of every turn - without the complexity or weight of a full cassette hub. The included cog spacers and 6mm Allen axle hardware show that Crupi sweated the small details, making this wheel drop straight into your bike cleanly and correctly. With compatibility for both disc and V-brake setups, plus the ability to run a CenterLock ISO converter, this wheelset is ready for whatever direction your program takes. If you're racing BMX at the Junior or Expert level and want a wheel that performs like a factory build right out of the box, this is it.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eView Product Specs\u003c\/strong\u003e\u003c\/summary\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eWheel Size\u003c\/th\u003e\n\u003ctd\u003e20 x 1-3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHole Count\u003c\/th\u003e\n\u003ctd\u003e28H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRim\u003c\/th\u003e\n\u003ctd\u003e451mm Rhythm Section 28H Alloy Rims\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHub\u003c\/th\u003e\n\u003ctd\u003eCrupi Quad CenterLock 28H Hubset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngagement\u003c\/th\u003e\n\u003ctd\u003e150 ratchet teeth, engages every 2.4 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngagement System\u003c\/th\u003e\n\u003ctd\u003eSpring \u0026amp; Pawl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpokes\u003c\/th\u003e\n\u003ctd\u003e15G with Alloy Nipples\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Cog\u003c\/th\u003e\n\u003ctd\u003e16T Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrake Compatibility\u003c\/th\u003e\n\u003ctd\u003eDisc and V-Brake compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTube Valve Type\u003c\/th\u003e\n\u003ctd\u003ePresta (tubes required, not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e3 lbs 3 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Rider Weight Limit\u003c\/th\u003e\n\u003ctd\u003e140 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrame Compatibility\u003c\/th\u003e\n\u003ctd\u003eJunior, Expert \u0026amp; Expert 2X frames\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRear Axle Hardware\u003c\/th\u003e\n\u003ctd\u003e6mm Allen screws (no tensioner spacers needed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCenterLock ISO Converter\u003c\/th\u003e\n\u003ctd\u003eSold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisc Brake Conversion\u003c\/th\u003e\n\u003ctd\u003eCompatible with Crupi Disc Brake Adapter Kit (sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat frames is this wheelset compatible with?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThe Crupi 20 x 1-3\/8 28H CenterLock Wheelset is designed to fit Crupi Junior, Expert, and Expert 2X BMX frames. The rear hub features 6mm Allen screws which allow it to fit cleanly into frames with enclosed dropouts without needing tensioner spacers.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this wheelset with disc brakes?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eYes - the CenterLock hub is designed to be convertible for disc brake use. You will need to add the Crupi Disc Brake Adapter Kit (sold separately) to convert the hub. A CenterLock ISO Converter is also available separately if needed for your setup.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat tubes do these wheels require?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThese wheels require Presta valve tubes. Tubes are not included with the wheelset, so make sure to pick up a compatible Presta tube before riding.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I change the cog size from the included 16T?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eYes - at checkout you can select a different cog size (13T, 14T, 15T, 17T, or 18T) for an additional $10. The 4 included cog spacers allow you to fine-tune the cog's position on the hub for the best possible chain alignment with your frame.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the rider weight limit for this wheelset?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eCrupi recommends a maximum rider weight of 140 lbs for this wheelset. This is consistent with the 28H lacing and the lightweight alloy rim construction, which prioritize speed and low weight for competitive Junior and Expert class racers.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat makes the Quad CenterLock hub engagement so fast?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThe Quad CenterLock hub uses a Spring and Pawl engagement system with 150 ratchet teeth, which engage every 2.4 degrees. This is one of the fastest engagement rates available in BMX, meaning there is virtually no dead zone when you apply power - critical for explosive gate starts and out-of-corner accelerations in race conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Crupi BMX","offers":[{"title":"20 x 1-3\/8\" 28H \/ Black","offer_id":57270034170161,"sku":"38511","price":599.99,"currency_code":"USD","in_stock":true},{"title":"20 x 1-3\/8\" 28H \/ Red","offer_id":57270034202929,"sku":"38512","price":599.99,"currency_code":"USD","in_stock":true},{"title":"20 x 1-3\/8\" 28H \/ Blue","offer_id":57270034235697,"sku":"38514","price":599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1724\/7681\/files\/20_x_1-1_8_Red_Wheelset-1_8f79e656-f0c1-461c-a7c2-9c8138f6abaa.jpg?v=1793648367","url":"https:\/\/omahasportsandgames.com\/products\/crupi-20-x-1-3-8-28h-centerlock-wheelset","provider":"Omaha Sports \u0026 Games","version":"1.0","type":"link"}