A LIGHTWEIGHT, RACE-FOCUSED HOOKLESS GRAVEL WHEELSET BUILT FOR DEMANDING DAYS IN THE SADDLE. NOW AVAILABLE WITH A CLASSIFIED POWERSHIFT REAR HUB SHELL.

40 DEEP | 30 WIDE EXT | 25 WIDE INT | 1,270g (Including POWERSHIFT rear hub shell)

The Purpose

The HUNT 40 Carbon Gravel Race wheelset was built to meet the needs of the gravel racer and rider. With the integration of a Classified Powershift rear hub shell, we’re able to pack even more industry-leading design to into this versatile and fast, best-selling gravel wheelset.

Wide and lightweight 40mm-deep hookless rims offer durability, quick acceleration and aerodynamic efficiency, intended for use with modern width gravel race tires. With an integrated Powershift rear hub, your riding will benefit from the wide gearing range and functionality of a front derailleur and 2x drivetrain, while enjoying the simplicity and aero benefits of a 1x setup.

Long-time advocates of tubeless technology for riding on and off-road, HUNT’s development into hookless rims began back in 2016. With the 40 Carbon Gravel Race rim development, we were able to push the boundaries of rim weight-saving further, bringing the final rim weights to a mere 395g. As well as having that performance benefit, due to a simpler manufacturing process, hookless rims can be produced with less waste, resulting in a cost reduction which can be passed on to riders.

Wide, tubeless, ETRTO-compliant hookless rims, laced to the Powershift rear hub shell for a lightweight gravel-specific wheel system ready to go the distance in your next gravel race or fast ride.

LATERALLY RESPONSIVE

These wheels have been designed to provide the superior balance between a laterally responsive and lightweight package. Straight pull hubs and bladed spokes reduce weight and add strength, creating a system that responds instantly to your accelerations.

HOOKLESS/STRAIGHT SIDE-WALL DESIGN

40mm-deep and 30mm-wide external rim profile, featuring a hookless/straight-sidewall and ETRTO-compliant tubeless rim, designed for gravel tubeless tyre compatibility.

Read Less

Powershift technology is a wireless shifting technology that allows you to shift gears instantly and under full load. Its first application is the Powershift rear hub, which replaces the front derailleur. The Powershift hub offers unrivalled shift quality, wide gearing range and small steps in between gears combining the benefits of both 1x and 2x drivetrains.

NOTE: The Classified Powershift internal system and electronics must be supplied by select Classified dealers. This wheelset does not contain the complete system. The rear wheel is delivered with the Classified hub shell, without the Powershift hub internals. Please contact our Rider Experience team with any questions.

For our detailed explainer outlining the differences and characteristics of hookless and hooked click here.

The Purpose

The HUNT 40 Carbon Gravel Race wheelset was built to meet the needs of the gravel racer and rider. With the integration of a Classified Powershift rear hub shell, we’re able to pack even more industry-leading design to into this versatile and fast, best-selling gravel wheelset.

Wide and lightweight 40mm-deep hookless rims offer durability, quick acceleration and aerodynamic efficiency, intended for use with modern width gravel race tires. With an integrated Powershift rear hub, your riding will benefit from the wide gearing range and functionality of a front derailleur and 2x drivetrain, while enjoying the simplicity and aero benefits of a 1x setup.

Long-time advocates of tubeless technology for riding on and off-road, HUNT’s development into hookless rims began back in 2016. With the 40 Carbon Gravel Race rim development, we were able to push the boundaries of rim weight-saving further, bringing the final rim weights to a mere 395g. As well as having that performance benefit, due to a simpler manufacturing process, hookless rims can be produced with less waste, resulting in a cost reduction which can be passed on to riders.

Wide, tubeless, ETRTO-compliant hookless rims, laced to the Powershift rear hub shell for a lightweight gravel-specific wheel system ready to go the distance in your next gravel race or fast ride.

LATERALLY RESPONSIVE

These wheels have been designed to provide the superior balance between a laterally responsive and lightweight package. Straight pull hubs and bladed spokes reduce weight and add strength, creating a system that responds instantly to your accelerations.

HOOKLESS/STRAIGHT SIDE-WALL DESIGN

40mm-deep and 30mm-wide external rim profile, featuring a hookless/straight-sidewall and ETRTO-compliant tubeless rim, designed for gravel tubeless tyre compatibility.

Read Less

Powershift technology is a wireless shifting technology that allows you to shift gears instantly and under full load. Its first application is the Powershift rear hub, which replaces the front derailleur. The Powershift hub offers unrivalled shift quality, wide gearing range and small steps in between gears combining the benefits of both 1x and 2x drivetrains.

NOTE: The Classified Powershift internal system and electronics must be supplied by select Classified dealers. This wheelset does not contain the complete system. The rear wheel is delivered with the Classified hub shell, without the Powershift hub internals. Please contact our Rider Experience team with any questions.

For our detailed explainer outlining the differences and characteristics of hookless and hooked click here.

Key Features

A LIGHT, VERSATILE, NO COMPROMISE WHEELSET BUILT WITH RACE DAY IN MIND. NOW EVEN MORE CAPABLE WITH THE POWERSHIFT SYSTEM.

Rims | 700c Disc-specific hookless/straight-sidewall rim profile. ETRTO-compliant tubeless rims. Hookless (what does this mean?).
Tires | 25mm internal rim width, Tubeless-ready for lower weight & rolling resistance, featuring H_LOCK bead-seat for easy and secure tubeless installation. Hookless rims require the use of tubeless tires. (Please always refer to your tires manufacturer's guidelines on pressure, rim width, and hookless compatibility). To see recommended widths and pressures, see full specs here.
Hubs | Sprint SL Front Hub | Classified Powershift-Ready Rear Hub Shell | SPRINT SL straight-pull centre-lock front hub, combined with the Powershift rear hub shell, which replaces the front derailleur. The Powershift hub offers unrivalled shift quality, high gearing range and small steps in between gears combining the benefits of both 1x and 2x drivetrains.
EZO Stainless Steel Bearings | High-grade Japanese EZO bearings in front hub. Rear hub internals and bearings not included (to be supplied by Classified).
Axles | Easily adaptable & we fit them for you. Fit all current axle sizes and are easy to change. Powershift System (including rear axle) not included. Click here to see all axle sizes.
Included | Tubeless tape & valves, spare spokes.
Hand-built | All of our wheels are built and finished by hand, inclusive of a full quality control inspection.
Weight | 1,270g (Including Powershift rear hub shell)
See the full specs here

Please note: If you require a 6-bolt adapter you can purchase separately here.

The Experts' View

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Full Specs

Rims

Disc-specific hookless/straight-sidewall design and compatible with 29-71mm tires.
30mm external and 25mm internal.
H_LOCK bead-seat up-kicks, for easy and secure tubeless installation.
Matt black base finished with matt white contrasting graphics.

Spokes

24 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 area).
Black stainless finish.

Nipples

Brass for anti-corrosion resistance.
Square body for external adjustment and hex head for easy internal adjustment/tensioning.
12mm length.
14 gauge.
Black finish.

Tires Info

For the Classified x 40 Carbon Gravel Race HUNT recommend a 40mm tire for best performance, tire widths between 29mm and 64mm are also safe to use. You must not exceed the maximum tire pressure limits set out in the table below or the maximum limit set by your tire manufacturer if this is lower. Note: best performance is usually gained by using tire pressures lower than the maximum, you can see our blog post here about this.
You must not exceed the maximum pressure stated on your tire.

Suitable tubeless road, gravel and CX tires are available from a huge range of companies.
Only use tires marked as compatible with hookless (TSS) rims.

Axle Size

These wheels are available with all existing disc brake road bike axle adapter sizes. We fit the axles you need, just complete the simple form shown after checkout:

Front: 12x100mm Thru-Axle, 9x100mm Thru-Axle, Quick Release 9x100mm
Rear: 12x142mm Thru-Axle only

Please note:

Front Hub

Forged and CNC’d 6066-T6 heat treated aluminum alloy body.
6066-T6 aluminum alloy axles.

Center-lock disc mount. If you require a 6 bolt adapter you can purchase separately here.
HUNT SPRINT SL Disc straight-pull super-light alloy.
Polished anodized black finish with laser graphics.

Rear Hub

Classified Powershift Rear Hub Shell Only. Rear 12x142 Bolt Thru Only (Not included)

Bearings

High-grade Japanese EZO 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 286lbs (system weight – total weight of fully kitted up rider, bike and luggage). If a rider is over 211lbs then an experienced bike mechanic should check the wheel regularly. 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. Please note we cannot offer refunds on wheels that have suffered from crash damage but do offer a crash replacement discount.

Reviews

Bike Magazine and Website Experts' Views

Cyclingnews 5 star review

"If you thought a Classified system was out of reach for your gravel race bike, now you can have all the advantages without a weight or price penalty."

In the Box

Contents

HUNT Black Shield tubeless tape fitted to wheels.
Tubeless Valves
Spare of each spoke plus nipples
Quality control card signed by your wheel builder

Cyclingnews Classified x HUNT 40 Carbon Gravel Race 5 Star Review

Cyclingnews Classified x HUNT40 Carbon Gravel Race 5 Star Review

Cyclingnews Classified x HUNT
40 Carbon Gravel Race 5 Star Review