RE:NEW HUNT 7387 Aerodynamicist Carbon Disc Wheelset

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£1,009 £1,549.00
35% off
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WIDE FRONT AND REAR-SPECIFIC AERODYNAMICIST PROFILES, WITH TWO FRONT WHEEL DEPTH OPTIONS DESIGNED TO MAINTAIN MAXIMUM SPEED WHILE MINIMIZING CROSSWIND EFFECTS, KEEPING YOU IN COMMAND.

FRONT 73/REAR 87 DEEP | FRONT 34 WIDE EXT/REAR 30 WIDE EXT | 20 WIDE INT | 1776g

The Purpose

For riders competing in disciplines where absolute aerodynamic efficiency is critical, the engineering team at HUNT Bike Wheels saw the potential for wider, front and rear-specific rim profiles to provide considerable time savings while offering improved stability in crosswinds. Stability and predictable handling characteristics allow the rider to maintain a low, aerodynamic position on the bike despite changing wind conditions. Read More

Driven by in-house Computational Fluid Dynamics (CFD) analysis and extensive wind tunnel testing, HUNT has expanded the Aerodynamicist collection to include two deep-section carbon wheelsets to meet the needs of triathlon, time trial and criterium riders. The design approach addressed the differing aerodynamic demands of front and rear wheels as part of the whole system to deliver maximum confidence in handling and exceptional speed. The three resulting wheel designs include two front wheel options with depths of 73mm and 83mm, both paired with an 87mm-deep rear wheel, offering riders the choice between two distinctly different wheelset systems depending on their conditions, preferences, and goals.

Both wheelset offerings provide world-class aerodynamic performance for the rider against the tested competitors whilst delivering stable and predictable handling characteristics. Laced to our new, lighter Sprint SL hubs offering rapid 7.5-degree engagement, these wheelsets are built for race day. HUNT has published a full research white paper summarizing the results of the two-year-long design, development, prototyping, testing and validation process. Read Less

7387 AERODYNAMICIST CARBON DISC

The HUNT 7387 Aerodynamicist Carbon Disc minimizes steering forces, providing exceptionally stable and predictable ride characteristics, while offering extremely low aerodynamic drag.

Hunt Aerodynamicist Logo

Aerodynamicist rim profile, exclusively engineered and wind tunnel tested by HUNT's in-house engineering team, featuring a hooked and ETRTO-compliant tubeless-ready rim, designed for tubeless tyre compatibility.

Full Wind Tunnel Tests

INTRODUCTION AND PROCESS

HUNT set out to create two wheelset systems for riders seeking the utmost in aerodynamics for time trial, triathlon and criterium racing, each set with a different front wheel depth, allowing riders to choose the best option for their riding. After two years of CFD modeling, prototyping, wind tunnel testing, and rider testing, HUNT created an 87mm deep rear rim profile maximized for the aerodynamic demands at the rear of the bike and designed to provide optimal lateral responsiveness and efficient power transfer. The two front wheel options offer riders category-leading aerodynamics and crosswind stability at different depths, depending on their riding conditions, preferences, and goals.

Read More

The widespread adoption of disc brakes in all formats of modern racing has offered the opportunity to transform rim profile development without the dimensional constraints of rim brake calipers, allowing for wider, aerodynamically optimized rims shapes. On top of the aerodynamic possibilities, riders also benefit from wider tyres and lower pressures, known to reduce rolling resistance and road vibration while improving grip. Time trials, triathlons, and criteriums are specific disciplines in which the high average speeds and typically flat courses offer the opportunity to generate significant aerodynamic benefits for the rider through deep rim profiles. However, the high speeds and common crosswinds require those deep wheels to be stable and predictable, so that the rider can maintain a low, aerodynamic position on the bike regardless of conditions. These demands (fast and stable) are both met through wider profiles.

CFD PROCESS

In recent years, HUNT has invested in developing its Research and Development capabilities to deliver science and engineering-led, high-performance wheels to their riders. One key focus has been to build in-house expertise in using Computational Fluid Dynamics (CFD) modelling techniques in the aerodynamic design of performance bicycle wheels.

CFD is the analysis of fluid flow around an object using numerical methods and a computational model to replicate the desired conditions, such as a bicycle wheel in a wind tunnel, and assess the aerodynamic performance. It is a development tool that accelerates the engineering process and allows us to explore new ideas and iterations at a rapid pace, but it is not a replacement for wind tunnel testing, which combined with real-world rider testing, provides the final validation of product performance. Traditionally, aerodynamic profile development has been conducted in the Wind Tunnel, which involves manufacturing several prototypes to test theories and profiles. This often means executing a wind tunnel test session without clear prediction of the outcomes, which can then necessitate the time and investment-intensive process of repeated prototyping and testing to identify the optimal solution.

PROFILE DEVELOPMENTS

The HUNT engineering team selected a depth of 73mm for shallowest front rim profile, chosen to minimize the effects of side forces from crosswinds whilst maximizing aerodynamic efficiency in a straight line. The validated wind tunnel performance of the 60 Limitless Aero Disc served as the benchmark and starting point for the 73mm profile. Feedback from HUNT-supported WorldTour riders (2021 Team Qhubeka Assos) suggested that the extra wide rim profile of the 60 Limitless Aero Disc resulted in an ultra-fast wheelset that handled cross winds and side forces like a much shallower wheel, an attribute that would be extremely valuable in an even deeper format.

The initial design concept for the deeper 83mm front rim profile began more traditionally in terms of width and shape. However, the CFD and wind tunnel-led development process quickly identified the potential for a wider shape to improve performance, even at the 83mm depth. A wider profile was modelled using CFD, then prototyped for further testing.

WHY WE CREATED FRONT AND REAR SPECIFIC RIM SHAPES:

Due to the generally laminar (constantly attached) nature of airflow, an object immediately behind another object will be subjected to disordered airflow of different speeds and directions, and therefore must be designed to reduce drag in those disordered airflow conditions. Applying this to cycling, and in particular, wheels, front and rear wheels encounter different airflow conditions and therefore have unique aerodynamic roles to play in the system. The HUNT engineering team has purposefully designed the front and rear rims in this system for their specific role, creating an optimal combination of drag reduction, crosswind stability, and low weight.

THE RESULTS

Hunt 7387 pre-production Wind Tunnel Test Drag and Steering Moment Graphs with Schwalbe Pro One 25mm Tyre Hunt 7387 pre-production Wind Tunnel Test Drag and Steering Moment Graphs with Schwalbe Pro One 25mm Tyre Figure 14 – Hunt 7387 pre-production Wind Tunnel Test Drag and Steering Moment Graphs with Schwalbe Pro One 25mm Tyre
Hunt 7387 pre-production Wind Tunnel Test Drag and Steering Moment Graphs with Schwalbe Pro One 25mm Tyre

As shown in the graphs, the HUNT 7387 Aerodynamicist produce exceptionally low drag values when compared to numerous leading relevant competitors with both 25mm and 28mm tyres (see white paper for full tested competitive set). The DT Swiss Dicut 80F / 80R produced the lowest aerodynamic drag from the competitor tested and became the benchmark competitor for further testing.

The HUNT 7387 Aerodynamicist Carbon Disc wheelset, our shallower front wheel offering, was designed to maximize aerodynamic benefit with minimal steering moment magnitude. The final tests concluded that the HUNT 7387 Aerodynamicist Carbon Disc wheelset provides very low steering moment given its depth, easily outperforming most industry leading competitors in both stability and minimising aerodynamic drag, performing only 0.35W slower than the deeper 8387 offering in the same conditions whilst minimising steering forces. The HUNT 7387 Aerodynamicist delivered results within 0.52W of highest performing DT Swiss Dicut 80mm, when paired with both 25 and 28mm tyres.

Read Less


The Purpose

For riders competing in disciplines where absolute aerodynamic efficiency is critical, the engineering team at HUNT Bike Wheels saw the potential for wider, front and rear-specific rim profiles to provide considerable time savings while offering improved stability in crosswinds. Stability and predictable handling characteristics allow the rider to maintain a low, aerodynamic position on the bike despite changing wind conditions. Read More

Driven by in-house Computational Fluid Dynamics (CFD) analysis and extensive wind tunnel testing, HUNT has expanded the Aerodynamicist collection to include two deep-section carbon wheelsets to meet the needs of triathlon, time trial and criterium riders. The design approach addressed the differing aerodynamic demands of front and rear wheels as part of the whole system to deliver maximum confidence in handling and exceptional speed. The three resulting wheel designs include two front wheel options with depths of 73mm and 83mm, both paired with an 87mm-deep rear wheel, offering riders the choice between two distinctly different wheelset systems depending on their conditions, preferences, and goals.

Both wheelset offerings provide world-class aerodynamic performance for the rider against the tested competitors whilst delivering stable and predictable handling characteristics. Laced to our new, lighter Sprint SL hubs offering rapid 7.5-degree engagement, these wheelsets are built for race day. HUNT has published a full research white paper summarizing the results of the two-year-long design, development, prototyping, testing and validation process. Read Less

7387 AERODYNAMICIST CARBON DISC

The HUNT 7387 Aerodynamicist Carbon Disc minimizes steering forces, providing exceptionally stable and predictable ride characteristics, while offering extremely low aerodynamic drag.

Hunt Aerodynamicist Logo

Aerodynamicist rim profile, exclusively engineered and wind tunnel tested by HUNT's in-house engineering team, featuring a hooked and ETRTO-compliant tubeless-ready rim, designed for tubeless tyre compatibility.

Full Wind Tunnel Tests

INTRODUCTION AND PROCESS

HUNT set out to create two wheelset systems for riders seeking the utmost in aerodynamics for time trial, triathlon and criterium racing, each set with a different front wheel depth, allowing riders to choose the best option for their riding. After two years of CFD modeling, prototyping, wind tunnel testing, and rider testing, HUNT created an 87mm deep rear rim profile maximized for the aerodynamic demands at the rear of the bike and designed to provide optimal lateral responsiveness and efficient power transfer. The two front wheel options offer riders category-leading aerodynamics and crosswind stability at different depths, depending on their riding conditions, preferences, and goals.

Read More

The widespread adoption of disc brakes in all formats of modern racing has offered the opportunity to transform rim profile development without the dimensional constraints of rim brake calipers, allowing for wider, aerodynamically optimized rims shapes. On top of the aerodynamic possibilities, riders also benefit from wider tyres and lower pressures, known to reduce rolling resistance and road vibration while improving grip. Time trials, triathlons, and criteriums are specific disciplines in which the high average speeds and typically flat courses offer the opportunity to generate significant aerodynamic benefits for the rider through deep rim profiles. However, the high speeds and common crosswinds require those deep wheels to be stable and predictable, so that the rider can maintain a low, aerodynamic position on the bike regardless of conditions. These demands (fast and stable) are both met through wider profiles.

CFD PROCESS

In recent years, HUNT has invested in developing its Research and Development capabilities to deliver science and engineering-led, high-performance wheels to their riders. One key focus has been to build in-house expertise in using Computational Fluid Dynamics (CFD) modelling techniques in the aerodynamic design of performance bicycle wheels.

CFD is the analysis of fluid flow around an object using numerical methods and a computational model to replicate the desired conditions, such as a bicycle wheel in a wind tunnel, and assess the aerodynamic performance. It is a development tool that accelerates the engineering process and allows us to explore new ideas and iterations at a rapid pace, but it is not a replacement for wind tunnel testing, which combined with real-world rider testing, provides the final validation of product performance. Traditionally, aerodynamic profile development has been conducted in the Wind Tunnel, which involves manufacturing several prototypes to test theories and profiles. This often means executing a wind tunnel test session without clear prediction of the outcomes, which can then necessitate the time and investment-intensive process of repeated prototyping and testing to identify the optimal solution.

PROFILE DEVELOPMENTS

The HUNT engineering team selected a depth of 73mm for shallowest front rim profile, chosen to minimize the effects of side forces from crosswinds whilst maximizing aerodynamic efficiency in a straight line. The validated wind tunnel performance of the 60 Limitless Aero Disc served as the benchmark and starting point for the 73mm profile. Feedback from HUNT-supported WorldTour riders (2021 Team Qhubeka Assos) suggested that the extra wide rim profile of the 60 Limitless Aero Disc resulted in an ultra-fast wheelset that handled cross winds and side forces like a much shallower wheel, an attribute that would be extremely valuable in an even deeper format.

The initial design concept for the deeper 83mm front rim profile began more traditionally in terms of width and shape. However, the CFD and wind tunnel-led development process quickly identified the potential for a wider shape to improve performance, even at the 83mm depth. A wider profile was modelled using CFD, then prototyped for further testing.

WHY WE CREATED FRONT AND REAR SPECIFIC RIM SHAPES:

Due to the generally laminar (constantly attached) nature of airflow, an object immediately behind another object will be subjected to disordered airflow of different speeds and directions, and therefore must be designed to reduce drag in those disordered airflow conditions. Applying this to cycling, and in particular, wheels, front and rear wheels encounter different airflow conditions and therefore have unique aerodynamic roles to play in the system. The HUNT engineering team has purposefully designed the front and rear rims in this system for their specific role, creating an optimal combination of drag reduction, crosswind stability, and low weight.

THE RESULTS

Hunt 7387 pre-production Wind Tunnel Test Drag and Steering Moment Graphs with Schwalbe Pro One 25mm Tyre Hunt 7387 pre-production Wind Tunnel Test Drag and Steering Moment Graphs with Schwalbe Pro One 25mm Tyre Figure 14 – Hunt 7387 pre-production Wind Tunnel Test Drag and Steering Moment Graphs with Schwalbe Pro One 25mm Tyre
Hunt 7387 pre-production Wind Tunnel Test Drag and Steering Moment Graphs with Schwalbe Pro One 25mm Tyre

As shown in the graphs, the HUNT 7387 Aerodynamicist produce exceptionally low drag values when compared to numerous leading relevant competitors with both 25mm and 28mm tyres (see white paper for full tested competitive set). The DT Swiss Dicut 80F / 80R produced the lowest aerodynamic drag from the competitor tested and became the benchmark competitor for further testing.

The HUNT 7387 Aerodynamicist Carbon Disc wheelset, our shallower front wheel offering, was designed to maximize aerodynamic benefit with minimal steering moment magnitude. The final tests concluded that the HUNT 7387 Aerodynamicist Carbon Disc wheelset provides very low steering moment given its depth, easily outperforming most industry leading competitors in both stability and minimising aerodynamic drag, performing only 0.35W slower than the deeper 8387 offering in the same conditions whilst minimising steering forces. The HUNT 7387 Aerodynamicist delivered results within 0.52W of highest performing DT Swiss Dicut 80mm, when paired with both 25 and 28mm tyres.

Read Less


Key Features

Wheelsets engineered to offer both all out speed and predictable handling in crosswinds.

  • Rims | Aerodynamicist disc-specific rim profiles, designed from the ground up by HUNT engineers for the specific aerodynamic conditions facing the front and rear of the bike. Tubeless-ready for lower weight, rolling resistance, and better puncture protection.
  • Tyres | 20mm internal rim width, optimized for superior aerodynamic performance with a 25-28mm tubeless tyre. Please always consult the tyre manufacturer’s guidance for compatibility.
  • Hubs | New Sprint SL straight-pull hubs. 15mm diameter 6066-T6 body and axle for supreme strength-to-weight. Circular dropout interface steps for added security in fitment. 3x treble-tooth pawls, resulting in just 7.5˚ engagement. Steel spline inserts to protect the cassette body.
  • Bearings | CeramicSpeed bearings are renowned for their low rolling resistance, and are chosen by the top international athletes and teams. HUNT and CeramicSpeed partnered to launch the LIMITLESS project, and have been creating class-leading wheel systems since.
  • Bearings | EZO Bearings | High-grade Japanese EZO bearings. Rear hub upgraded to even faster rolling LU/LB low-friction sealed internal face, dual sealed external face bearings.
  • Axles | Easily adaptable & we fit them for you. Fit all current axle sizes and are easy to change; Front - QR, Bolt thru 12/9mm, Rear - QR, Bolt thru 12x142, 12x135, 10x135.
  • See the full specs here
  • Weight | 1776g

Please note: If you require a 6 bolt adaptor you can purchase separately here

More Tech

  • Rims

    • Aerodynamicist profile, disc-specific hooked design & aerodynamically optimized for 25-28c tyres.
    • Front: 34mm external and 20mm internal, ideal for 25-47mm tyre widths
    • Rear: 30mm external and 20mm internal, 87mm depth
    • H_LOCK bead-seat up-kicks, for easy and secure tubeless installation.
    • Matt black base finished with matt white contrasting graphics.
  • Spokes

    • 20 front and 24 rear, laced 2-cross
    • Aero Butted 2.0-2.2/0.95-2.0 then PSR section is 2.2
    • Straight-pull, for excellent torsional strength and direct power transfer.
    • Cold drawn from high grade T302 (18/10) stainless steel wire by Sandvik Sweden.
    • Patented Pillar Spoke Re-enforcement (butted again just before the spoke head, providing more durability in high stress.
    • Black stainless finish
  • Nipples

    • Alloy square body for external adjustment and square head for easy internal adjustment/tensioning.
    • 16mm length with washer for a strong connection to the spoke added durability.
    • 14 gauge
    • Black anodized finish.
  • Tyres Info

    • Maximum tyre pressure for this rim is 100psi when used with 25-28mm tyres. 100 psi is more than enough for any rider on road. Click here to listen to a podcast exploring the science of why lower pressures were found to be faster by pro teams.
    • Maximum tyre pressures for other tyre sizes: 30mm - 32mm do not exceed 70psi, 33mm do not exceed 50psi, 35-45mm do not exceed 45psi, 45-50mm do not exceed 40psi.
    • Please do not exceed the maximum pressure stated on your tyre.
    • Suitable for tyres from 23mm up to 50mm wide.
    • Suitable tubeless road, gravel and CX tyres are available from a huge range of companies.
  • Axle Size

    • These wheels are available with all existing disc brake road bike axle adapter sizes. All our axle adapters are easy to swap but we'll fit the adapters your bike needs to save you the work. After your order checkout is completed a simple form will show, as well as being sent to you in your confirmation email. The form allows you to select the axle size your bike needs, don't worry it also includes the option to tell us your bike model and we will find out and then fit the correct axles, plus we're happy to change them later at our cost if you don't quite get it right. Please note; this form is shown after you have completed your order. Please click on the Front Hub and Rear Hub tabs to see which sizes are available.
  • Front Hub

    • All existing road/CX disc front axle standards are available including:
      • Quick Release (skewers included)
      • 12mm Bolt Thru
    • All axle adapters are also available separately.
    • Forged and CNC’d 6066-T6 heat treated aluminium alloy body.
    • 6066-T6 aluminium alloy axles.
    • Centre-lock disc mount. If you require a 6 bolt adaptor you can purchase separately here
    • Polished anodized black finish with laser graphics.
    • Hunt Sprint SL Disc straight-pull super-light alloy.
  • Rear Hub

    • All existing road/CX disc rear axle standards are available including:
      • Quick Release (Quick release skewers included)
      • 12x142 Bolt Thru
      • 12x135 Bolt Thru (uncommon)
      • 10x135 Bolt Thru (uncommon)
    • All axle adapters are also available separately.
    • 6066-T6 heat-treated aluminium alloy freehub body.
    • Steel Spline Insert freehub body reinforcement provides excellent durability against cassette sprocket damage to the freehub often seen on standard alloy freehub bodies.
    • 3x treble-tooth individually leaf sprung pawls with 48 teeth on the ratchet ring for fast 7.5 degree engagement and instant acceleration.
    • All freehub standards accounted for, including:
      • Shimano/SRAM
      • Campagnolo
      • SRAM XD Driver
      • SRAM XDR Driver
    • Hunt Sprint SL Disc straight-pull super-light alloy.
    • Forged and CNC’d 6066-T6 heat treated aluminium alloy body.
    • Centre-lock disc mount. If you require a 6 bolt adaptor you can purchase separately here
    • Polished anodized black finish with laser graphics.
  • Bearings

      • Industry-leading CeramicSpeed hybrid ceramic bearings or EZO bearing options.
      • 3 to 5 times longer lasting than other ceramic bearings on the market and 10 times more than standard steel bearings.
      • CeramicSpeed bearing balls are of the highest quality Grade 3 Silicon Nitride, featuring the highest achievable surface finish and roundness. 15% harder, take 99% higher loads and are more than 100% smoother than other ceramic balls typically seen in the market. The smoothness and the hardness of the CeramicSpeed Balls are unique.
      • 6-year warranty
      OR
      • High-grade Japanese EZO bearings.
      • Rear hub upgraded to even faster rolling LU/LB low-friction sealed internal face, dual sealed external face bearings.
      • Incredibly fast rolling.
  • Warranty, HUNT Rolling Road Tests & Weight Limits

    A full 3 years from purchase date warranty is offered to the original purchaser only on all Hunt bike wheels against material or workmanship defects, please click here to read full details.

    All HUNT wheels models have to pass our harsh cobbled-rolling-road tests for rider weight limits, please see here for more details. Max system weight 120kg (system weight – total weight of fully kitted up rider, bike and luggage). If a rider is over 105Kgs then an experienced bike mechanic should check the wheel regularly and it is advisable to use tyres at max 90psi as this will reduce the fatigue on the wheelset. We are cyclists ourselves and do of course go above and beyond to offer excellent service if you ever do experience any issues. We carry full spares at very reasonable prices and offer complete support.

    60 Day Ride & Return Period. We are certain you'll be impressed by the acceleration, low-weight, speed and durability of our wheels. We are cyclists and as such strive to offer class leading service and support. Buy with confidence, if for any reason you wish to return the wheels for a full refund of your order you can do so up to a full 60 days after you receive them whether they have been ridden or not.

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    Unmatched rider support, 7 days a week. For quick and immediate access to all the help you need, try our Live Chat. Our team consists of real bike riders who are fully equipped to answer any questions and help out. See Contact Us page for more details.

    Spares Available

    Any spares for our wheelsets can be found on our website. If you need assistance, contact us and we can help you.

    Next Day Shipping*

    If you order your wheels before 3pm, we'll make sure they're sent out the same day.

    *If wheels are shown in stock

    60 Day Ride and Return

    We are so confident that you'll be happy with your Hunt Bike Wheels, that we offer a full 60 days to ride them.

    ABOUT HUNT _

    HUNT Bike Wheels are a team of talented, passionate riders with a wealth of industry experience, and set out to bring you the latest, most practical, forward-thinking technology in all things round.

    Our mission is to serve devoted riders with the highest performing products, backed by best-in-class rider support.

    All of our wheels are built and finished by hand, inclusive of a full quality control inspection.