{"product_id":"dt-swiss-fr-541-onyx-vesper-custom-wheel-builder","title":"DT Swiss FR 541 - Onyx Racing Vesper Custom Wheelset Builder","description":"\u003cp\u003e\u003cstrong\u003eLet's build your dream wheels!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSelect your specs and we will do the rest!\u003c\/p\u003e\n\u003cp\u003eAll custom wheels are eligible for free shipping anywhere in the the U.S.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDT Swiss FR 541 Aluminum Rim\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eDT Swiss FR 541\u003c\/span\u003e\u003cspan\u003e is a high-performance aluminum mountain bike rim built for riders who push their wheels hard. Designed specifically for \u003c\/span\u003e\u003cspan\u003efreeride, downhill, bike park, and aggressive enduro riding\u003c\/span\u003e\u003cspan\u003e, the FR 541 combines serious impact resistance with a relatively lightweight construction to create a dependable foundation for a hard-hitting custom wheelset.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDT Swiss redesigned the rim profile to improve durability and resistance to hard impacts while also increasing protection against pinch flats. Testing conducted with a leading tire manufacturer showed a \u003c\/span\u003e\u003cspan\u003e17% improvement in pinch-flat resistance compared to the previous-generation FR 560\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe FR 541 features a \u003c\/span\u003e\u003cspan\u003e30mm internal width\u003c\/span\u003e\u003cspan\u003e, providing excellent support for modern aggressive mountain bike tires and allowing riders to run lower tire pressures for additional traction and control on rough terrain.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA \u003c\/span\u003e\u003cspan\u003ewelded aluminum construction\u003c\/span\u003e\u003cspan\u003e provides a strong and precise rim joint, while DT Swiss’ \u003c\/span\u003e\u003cspan\u003ePHR washer system\u003c\/span\u003e\u003cspan\u003e increases the load-bearing surface around each spoke nipple. This helps distribute spoke forces across a larger area of the rim and reduces localized stresses for a strong, reliable wheel build.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvailable in both \u003c\/span\u003e\u003cspan\u003e27.5” and 29” sizes\u003c\/span\u003e\u003cspan\u003e, the FR 541 is also an excellent choice for mixed-wheel\/mullet setups.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eKey Features\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHeavy-duty aluminum construction\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for freeride, downhill, bike park, and aggressive riding\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e30mm internal rim width\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e35mm external width\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTubeless-ready tire interface\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eImproved impact resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e17% greater pinch-flat resistance compared to the FR 560\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eStrong welded rim joint\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDT Swiss PHR washer system for improved spoke-load distribution\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAvailable in 27.5” and 29”\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e28- and 32-hole options available\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e570g claimed weight – 27.5”\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e605g claimed weight – 29”\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eASTM Classification 5\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMaximum system weight: 140kg \/ 309lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eE-bike approved\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBuilt for riders who hit harder, ride faster, and need a wheelset that can take the abuse, the DT Swiss FR 541 is an excellent choice for a durable custom gravity wheel build.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOnyx Racing Hubs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOnyx Racing hubs deliver a completely different riding experience with \u003c\/span\u003e\u003cspan\u003einstantaneous engagement, exceptionally smooth rolling, and virtually silent coasting\u003c\/span\u003e\u003cspan\u003e. Designed for riders who want immediate power transfer without the noise or backlash of a traditional ratchet-style hub, Onyx hubs are a premium choice for your custom wheel build.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt the heart of every Onyx rear hub is their patented \u003c\/span\u003e\u003cspan\u003esprag clutch engagement system\u003c\/span\u003e\u003cspan\u003e. Instead of using conventional pawls and ratchet teeth, the sprag clutch engages immediately when torque is applied, providing \u003c\/span\u003e\u003cspan\u003einfinite points of engagement with zero-degree engagement\u003c\/span\u003e\u003cspan\u003e. The moment you put power into the pedals, the hub responds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen you stop pedaling, the system freewheels almost silently. With no pawls clicking across ratchet teeth, you get an incredibly quiet ride that lets you hear your tires, suspension, and the trail beneath you.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOnyx hubs also utilize \u003c\/span\u003e\u003cspan\u003epremium-grade bearings\u003c\/span\u003e\u003cspan\u003e designed for low rolling resistance and smooth performance. Their rear hub designs separate drive forces from axle loads to further reduce drag and promote long-term bearing performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor mountain bike builds, Onyx offers options ranging from the lightweight \u003c\/span\u003e\u003cspan\u003eVesper\u003c\/span\u003e\u003cspan\u003e, designed primarily for XC and trail pedal bikes, to the more robust \u003c\/span\u003e\u003cspan\u003eClassic\u003c\/span\u003e\u003cspan\u003e platform for demanding applications, heavier riders, bikepacking, tandems, and e-bikes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInstantaneous, zero-degree engagement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInfinite points of engagement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePatented Onyx sprag clutch technology\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVirtually silent freewheeling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMinimal drivetrain backlash\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium-grade bearings for smooth, low-drag performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStrong, serviceable hub construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMultiple axle, drivetrain, spoke-count, and brake configurations available\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptions for XC, trail, enduro, e-bike, gravel, road, BMX, and other applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eChoose your Onyx hub configuration to build an exceptionally smooth, responsive, and quiet custom wheelset.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003ePlease allow 2-3 weeks for your custom wheels to be assembled, packed and heading your way!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Louisville Bike Labs","offers":[{"title":"Default Title","offer_id":53942753001748,"sku":null,"price":1399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/6281\/5508\/files\/dt1030inset1.jpg?v=1788370843","url":"https:\/\/louisvillebikelabs.com\/products\/dt-swiss-fr-541-onyx-vesper-custom-wheel-builder","provider":"Louisville Bike Labs","version":"1.0","type":"link"}