{"product_id":"pro-headset-is42-28-6-is52-40-integrated-cable-routing","title":"PRO HEADSET IS42\/28.6 - IS52\/40 INTEGRATED CABLE ROUTING","description":"\u003ch3\u003eThe PRO IS42\/28.6 - IS52\/40 headset combines precision engineering with modern cable management.\u003c\/h3\u003e\n\u003cp\u003eFeaturing integrated cable routing, this headset streamlines your bike's aesthetics while maintaining reliable performance across mixed terrain. Designed for compatibility with both 1 1\/8\" and 1 1\/2\" steerer tubes, it delivers smooth steering response and durable sealed bearings. The integrated cable routing keeps your dropper post and brake lines organised and protected from the elements. Built for riders who demand clean lines and dependable handling on any trail.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVersatile and high-performance Headset IS42\/28.6 - IS52\/40, ideal for All Mountain, Cyclocross, Gravel, and Road biking.\u003c\/li\u003e\n\u003cli\u003eFeatures industrial bearings that are double sealed for long-lasting durability and smooth performance.\u003c\/li\u003e\n\u003cli\u003eIntegrated (IS) headset design ensures a sleek and seamless fit with 1 1\/8\" - 1 1\/2\" tapered head tubes and fork steerers.\u003c\/li\u003e\n\u003cli\u003eLower and upper bearing outer diameters of 52 mm and 42 mm, respectively, for a precise and stable fit.\u003c\/li\u003e\n\u003cli\u003eEngineered with a lower inner diameter of 40 mm and an upper inner diameter of 28.6 mm, optimizing compatibility and performance across multiple bike types.\u003c\/li\u003e\n\u003cli\u003eCompatible with the PRO Vibe Superlight stem and the PRO Vibe Evo integrated handlebar and stem unit.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLower Bearing Outer Diameter IS \/ Set: 52 mm\u003c\/li\u003e\n\u003cli\u003eUpper Inner Diameter: 28,6 mm\u003c\/li\u003e\n\u003cli\u003eUpper Bearing Outer Diameter IS \/ Set: 42 mm\u003c\/li\u003e\n\u003cli\u003eUpper Outer Diameter: 42 mm\u003c\/li\u003e\n\u003cli\u003eApplication: All Mountain, Cyclocross, Gravel, MTB, Road\u003c\/li\u003e\n\u003cli\u003eFork Steerer: 1 1\/8\" - 1,5\" tapered\u003c\/li\u003e\n\u003cli\u003eHeadset Design: Integrated (IS)\u003c\/li\u003e\n\u003cli\u003eUpper Bearing Cup: 1 1\/8\"\u003c\/li\u003e\n\u003cli\u003eHead Tube: 1 1\/8\" - 1,5\" tapered\u003c\/li\u003e\n\u003cli\u003eLower Inner Diameter: 40 mm\u003c\/li\u003e\n\u003cli\u003eLower Outer Diameter: 52 mm\u003c\/li\u003e\n\u003cli\u003eBearings: Industrial Bearings, Double Sealed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"headline-lowercase-lg\"\u003eWeight:\u003c\/h3\u003e\n\u003cdiv class=\"site-text\"\u003e\n\u003cul\u003e\n\u003cli\u003eblack | 1 1\/8\": 24 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eContents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"36\" data-start=\"7\" data-section-id=\"16qxqgw\"\u003e1 x PRO headset top cover\u003c\/li\u003e\n\u003cli data-end=\"56\" data-start=\"37\" data-section-id=\"ebdb1x\"\u003e1 x PRO top cap\u003c\/li\u003e\n\u003cli data-end=\"90\" data-start=\"57\" data-section-id=\"17lcj2x\"\u003estainless steel bearing\u003c\/li\u003e\n\u003cli data-end=\"134\" data-start=\"91\" data-section-id=\"cjvxb9\"\u003e28.6 mm adapter for cable routing\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRO","offers":[{"title":"Default Title","offer_id":57327660138871,"sku":"PRHS0124","price":80.49,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/2350\/2370\/files\/PRHS0124.avif?v=1785233526","url":"https:\/\/www.allterraincycles.co.uk\/products\/pro-headset-is42-28-6-is52-40-integrated-cable-routing","provider":"allterraincycles","version":"1.0","type":"link"}