{"product_id":"berd-sparrow50-gold-carbon-wheels","title":"Berd Sparrow50 Gold Carbon Wheels","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0487\/4007\/3623\/files\/imgi_12_Sparrow50_Gold_Wind_Tunnel_1.jpg?v=1789547080\" alt=\"\"\u003e\u003c\/h2\u003e\n\u003ch2\u003eBERD SPARROW50 GOLD | CARBON GRAVEL WHEELSET\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1,298g. 50mm deep. Engineered for speed, comfort and control.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Berd Sparrow50 Gold brings together aerodynamic carbon rims, ultra-lightweight Dyneema spokes and precision-engineered hubs to create a gravel wheelset that refuses to compromise.\u003c\/p\u003e\n\u003cp\u003eDesigned for performance gravel racing and ultra-distance riding, the Sparrow50 Gold combines aerodynamic efficiency with vibration-damping technology to help you maintain speed and reduce fatigue when the terrain gets rough.\u003c\/p\u003e\n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1,298g (700c wheelset)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim depth:\u003c\/strong\u003e 50mm aerodynamic carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal width:\u003c\/strong\u003e 30mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal width:\u003c\/strong\u003e 38mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpokes:\u003c\/strong\u003e Berd PolyLight Dyneema\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHubs:\u003c\/strong\u003e Berd Talon ESL-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreehub:\u003c\/strong\u003e 36-tooth ratchet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTyre compatibility:\u003c\/strong\u003e 40–60mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake interface:\u003c\/strong\u003e Centre Lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless:\u003c\/strong\u003e Ready, with tape and valves installed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eAERODYNAMICS WITHOUT COMPROMISE\u003c\/h3\u003e\n\u003cp\u003eThe Sparrow50 Gold features a 50mm-deep carbon rim developed to deliver aerodynamic performance on modern gravel tyres. Its 38mm external width and 30mm internal channel provide a wide platform for high-volume rubber.\u003c\/p\u003e\n\u003cp\u003eBerd reports a 14% aerodynamic improvement over its previous-generation Sparrow wheelset. The rim has been optimised around 45–55mm tyres, making it particularly well suited to modern performance gravel bikes.\u003c\/p\u003e\n\u003ch3\u003eDYNEEMA SPOKES. A DIFFERENT KIND OF COMPLIANCE.\u003c\/h3\u003e\n\u003cp\u003eConventional steel spokes transmit high-frequency vibration through the wheel. Berd PolyLight spokes use ultra-high-molecular- weight polyethylene fibres, commonly known as Dyneema, to introduce viscoelastic damping.\u003c\/p\u003e\n\u003cp\u003eThis technology dissipates vibration energy, helping to reduce the harshness transmitted through the bike. The result is a smoother ride over rough gravel, washboard surfaces and broken terrain.\u003c\/p\u003e\n\u003cp\u003eEach spoke weighs approximately 2.4g, contributing to the wheelset's exceptionally low overall weight.\u003c\/p\u003e\n\u003ch3\u003eLESS VIBRATION. MORE EFFICIENCY.\u003c\/h3\u003e\n\u003cp\u003eBerd reports a 5-watt rolling-efficiency benefit at 30km\/h from its vibration-damping spokes, based on independent testing by John Karrasch.\u003c\/p\u003e\n\u003cp\u003eBy reducing vibration-related energy losses, the Sparrow50 Gold is designed to help riders maintain efficiency and comfort across demanding gravel terrain.\u003c\/p\u003e\n\u003ch3\u003eBERD TALON ESL-R HUBS\u003c\/h3\u003e\n\u003cp\u003eAt the centre of the wheelset are Berd's Talon ESL-R hubs, featuring a lightweight 36-tooth ratchet freehub and precision-machined Tri-Coat aluminium freehub body.\u003c\/p\u003e\n\u003cp\u003eEqual Spoke Length technology uses identical spoke lengths across both sides of both wheels, simplifying spare-spoke management and servicing.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTECHNICAL SPECIFICATIONS\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWheel size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e700c \/ 29\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWheelset weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,298g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFront wheel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRear wheel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e698g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRim material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCarbon fibre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRim depth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRim weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e420g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpoke count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 front \/ 24 rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpokes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBerd PolyLight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHubs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBerd Talon ESL-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFreehub engagement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36-tooth ratchet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrake compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCentre Lock disc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTyre compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40–60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum tyre pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 PSI \/ 4.14 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRider weight limit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e127kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003csmall\u003e Weight excludes rim tape and tubeless valves. Specifications refer to the 700c version with Berd Talon ESL-R hubs. \u003c\/small\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eBUILT FOR THE MODERN GRAVEL BIKE\u003c\/h3\u003e\n\u003cp\u003eWhether you're racing at The Traka, tackling Badlands or exploring the Surrey Hills, the Sparrow50 Gold delivers a combination of aerodynamic performance, low weight and vibration damping.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Available through The Cycle Collective. Contact us for compatibility advice, tyre selection and custom build enquiries. \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BERD","offers":[{"title":"XDR \/ Black","offer_id":57273289736570,"sku":null,"price":2171.0,"currency_code":"GBP","in_stock":true},{"title":"XDR \/ White","offer_id":57273289769338,"sku":null,"price":2171.0,"currency_code":"GBP","in_stock":true},{"title":"HG \/ Black","offer_id":57273289802106,"sku":null,"price":2171.0,"currency_code":"GBP","in_stock":true},{"title":"HG \/ White","offer_id":57273289834874,"sku":null,"price":2171.0,"currency_code":"GBP","in_stock":true},{"title":"Microspline \/ Black","offer_id":57273289867642,"sku":null,"price":2171.0,"currency_code":"GBP","in_stock":true},{"title":"Microspline \/ White","offer_id":57273289900410,"sku":null,"price":2171.0,"currency_code":"GBP","in_stock":true},{"title":"N3W \/ Black","offer_id":57273289933178,"sku":null,"price":2171.0,"currency_code":"GBP","in_stock":true},{"title":"N3W \/ White","offer_id":57273289965946,"sku":null,"price":2171.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0487\/4007\/3623\/files\/imgi_71_Sparrow50_Front_Black_2048x_5320fa43-027f-40a2-939b-958a2b8b195b.jpg?v=1789547080","url":"https:\/\/thecyclecollective.cc\/products\/berd-sparrow50-gold-carbon-wheels","provider":"thecyclecollective.cc","version":"1.0","type":"link"}