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PLEASE NOTE: Due to high demand, this wheel is on a 6-8 week lead-time.



Cyclocross | Tubular Rim | Full Carbon | Disc Brake


Design engineered for the demands of the professional CX racer, this 38mm deep full-carbon tubular front wheel is hand-built to be durable but super-light and super-fast. The pro-level ACX tubular rim is reinforced with aerospace-grade resin and spins on the world-leading DT Swiss hubs and 'best there is' aero-bladed Sapim CX-ray spokes.



With an outer 28mm width and 25mm upper track ideal for 33c tubs, this CX front wheel features ProTour CX-ray straight pull spokes laced 2x cross for improved lateral stiffness and brass nipples for greater durability. The high-quality DT Swiss bearings spin with lower rolling resistance, and the legendary star ratchet system creates a durable and fast engagement. This wheel is hand-built using the world’s best components, giving the high-level CX racer a competitive advantage in elite competitions, but of course, this wheel can help win those challenging local cross events too.



  • Rim Build | CX-Race | 2nd Generation Cross-dynamic™ rim design using Toray T700/T800 UniDirectional carbon fibre with reinforced 3K weave rim bed for enhanced durability and anti-twist ThermSet™ resin rim walls for extra torsional and lateral stiffness
  • Rim Size | 38mm deep full carbon rim - 700c - 28mm total external width - 25mm upper track width - optimised for increased performance when fitted with 30c-37c size tyres
  • Hubs | DT Swiss | Straight Pull | F 100mm | Disc Brake Centre Lock | 12mm thru-axle | Bearings - high load capacity, outstanding reliability with ultra-low rolling resistance - 240/350 high-quality stainless steel - 180 ProTour Sinc ceramic   Learn More
  • Spokes | 180/350 hub F x 28 | 240 hub F x 24 | Sapim CX-Ray - black double butted with secure lock brass nipples - nickel-coated black  Learn More
  • Spoke Pattern | F x Two-cross pattern
  • Axle | 12mm Thru-axle | Axle adaptors can be fitted by your wheel builder
  • Tyre Compatibility | Tubular tyre only
  • Wheel Weights | 38/180 hub - 565g | 38/240 hub - 569g | 38/350 hub - 605g 
  • Max Recommended Rider Weight | 100Kg
  • Included | service booklet - wheel build birth card - wheel manual
  • View full wheel specifications sheets


  • Your order will be built by your nearest Master wheel builder using your billing address. If you want to change wheel builder, please locate your preferred builder using the link below and inform us in the `add notes` section of your shopping cart.

    MasterBuild Service: Wheels hand-built by your Master wheel builder to the build options selected, laced, trued, de-stressed and tested. This wheel build service does not include tubs, valves, disc rotor fit etc. Collection or delivery is available.

    UltraBuild Service: Your Master wheel builder will contact you to discuss and provide professional advice on the best ancillary products for you and your riding style. The order is hand-built using our full ready-to-ride UltraBuild service and fitting to your bike is optional. Collection or delivery is available.

    Please note: The cost of ancillary products for UltraBuild is paid directly to the Master wheel buiding business.

    LEARN MORE about our MasterBuild and UltraBuild services

    LOCATE your Master wheel builder

  • How secure is your website and what payment cards do you accept?
    Very secure - your information is protected with 256-bit SSL encryption. In addition our payment gateway provider uses the highest level of protection, PCI DSS Level 1 protection, complying with the Payment Card Industry Data Security Standards. Look for the green lock in address bar on payment pages. We accept all major credit/debit cards and Apple pay
  • Can I cancel my wheel order?
    Yes! you can cancel your order before the confirmed build date. Terms apply - please find more information here: Cancellations, Returns & Refunds
  • What if I change my mind , can I exchange?
    Yes! you can exchange your wheelset to a different wheelset for up to 14 days from the collection or delivery date. Terms apply - please view our Cancellations, returns & refunds
  • How does the A+Care cover work and is wear & tear included
    When your wheels have a full-service history carried out by our Master wheel builders or any bike shop, (pre-approval required) we'll include our Free A+Care cover - meaning we will replace worn or damaged bearings and spokes with a re-build, tension and true, including wear and tear of these components - Free Of Charge. Terms apply - Please view Warranties & A+Care Cover
  • Can I transfer the A+Care cover plan to a new owner
    Yes! we just ask you email us with some details and we will confirm the transfer to the new owner. More information can be found in the servicing booklet supplied with the purchase. Please view Warranties & A+Care Cover for more information
  • Are my wheels still under warranty without servicing or A+Care Cover
    Yes! as standard we supply our industry-leading 5-Year Warranty - meaning we will repair or replace any material or manufacturing defect Free Of Charge. Pleas view Warranties & A+Care Cover for more information
  • What are the collection or shipping options?
    You can collect from your Master Wheel Builder or choose delivery. We advise to collect and take advantage of the professional advice and services your wheel builder offers. Please select on the Cart page when buying.
  • How long does it take for my wheels to be hand-built and ready to ride?
    For wheels that are not in stock, there is an approximate wheel-build lead-time at the top of product page, most in stock wheels take around 7 days to be with your Master builder and another 7 days for completion.
  • Where is my Master Wheel Builder located and can I change wheel builder?
    You can locate your wheel builder by using our Locate Your Master Wheel Builder or our Meet Our Master Wheel Builders services. You can change Master wheel builder by informing us of the builder you want to use in the `Add Notes` section of your shopping cart. Please note: We are rapidly expanding our network of Master wheel builders, but we are not everywhere yet, so why not choose a Master wheel builder and select the delivery option when buying.
  • What is the best way of contacting you?
    At present, the best way to contact us is by email at: We will always try to respond within 24 Hrs. You can also use our contact page If it's easier for us to call you, just supply your telephone number with the best date and time and we'll be in touch!
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