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The HUNT Sprint SL hubset is further refined utilizing exotic 6066-T6 aerospace materials a reduction of material in low stress areas to offer a lighter weight design while maintaining the benefits that matter most to our riders: fast engagement, durable construction, and exceeding reliability. The outcome was a hub set, weighing in at just 346 grams per pair that has a higher-grade alloy construction in an absolutely minimalist hubset built to withstand the rigors of road and gravel riding and racing.
CeramicSpeed is known for creating the highest performance bearings available. We’ve partnered with CeramicSpeed to create the fastest complete wheel systems since the debut of our LIMITLESS technology. CeramicSpeed bearings are chosen for their low rolling resistance and are chosen by the top international athletes and teams. These bearings last 10X longer than typical stainless bearings.
For a full comparison of our bearing packages, read This Guide.
The HUNT Sprint SL hubset is further refined utilizing exotic 6066-T6 aerospace materials a reduction of material in low stress areas to offer a lighter weight design while maintaining the benefits that matter most to our riders: fast engagement, durable construction, and exceeding reliability. The outcome was a hub set, weighing in at just 346 grams per pair that has a higher-grade alloy construction in an absolutely minimalist hubset built to withstand the rigors of road and gravel riding and racing.
CeramicSpeed is known for creating the highest performance bearings available. We’ve partnered with CeramicSpeed to create the fastest complete wheel systems since the debut of our LIMITLESS technology. CeramicSpeed bearings are chosen for their low rolling resistance and are chosen by the top international athletes and teams. These bearings last 10X longer than typical stainless bearings.
For a full comparison of our bearing packages, read This Guide.
Our in-house engineers utilize FEA software to digitally shift material from low stress areas to higher stress areas resulting in a lighter weight, robust and durable straight-pull hub shell. HUNT Sprint SL hubs start as a block of aerospace grade 6066 alloy. After cold-forging and pressing the material into the rough hub shape, this process aligns the grain structure and reduces machining time and waste, they go through a T6 heat treatment to make them stronger.
The hubs are then machined and anodised, before machining again, to get the bearing faces to the required tolerances. Within the shell, we use a 15mm diameter axle made from 7075-T6 alloy, offering incredible yield strength and UTS (Ultimate Tensile Strength). 
The Sprint SL hub system features four bearings in the rear hub and two in the front, each spaced as far outboard as possible in the shell for lateral rigidity. We offer riders multiple high performance bearing options to best suit their terrain, riding conditions, and preferences. 
For our freehub systems, we strive to deliver the features that matter most to the rider. We utilize a tried and true, easy to maintain design that is constructed of 7075-T6 alloy. The mechanism consists of a leaf-sprung, three-pawl driver, with three engagement teeth to each pawl, meshes with a 48-tooth steel outer drive ring that is threaded into the hubshell. he system provides 9 points of contact with an engagement angle of just 7.5°. For the rider, this system transfers pedaling input immediately, whether you’re powering up a steep climb or sprinting through the final turns of a criterium. There is also a Steel Spline Insert re-enforcement to provide excellent durability against cassette sprocket damage often seen on standard alloy freehub bodies.
Our hubs have a brilliant, yet subtle buzz when coasting. A lot of variables can affect the acoustics when you begin to coast, including the volume of air space in the hub, the thickness of the hub shell, the number of engagement points, the stiffness of the leaf springs, the level and type of lubrication, as well as the speed at which you are coasting. Based on rider feedback, we have refined our “buzz” with a set of pawls installed with slightly rounded off tips and also a set of leaf springs which have a softer preload. The result is a quieter, but not silent, ride when you begin coasting. (Learn more about freehub sound from the experts at GearPatrol).
Sprint SL hubs have sat at the heart of our road performance wheels for years, and have been validated at every level of racing, including Grand Tour stages victories, one-day classic podiums, national titles, countless classification jerseys, and all types of racing in between. 
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Tyler Benedict - BikeRumour“For a road wheelset, 7.5º is on the quick side, and I appreciate this. There’s less lag when resuming pedaling from a coast, and it gives the wheels a higher-end feel…more polished.” - (44 Aerodynamicist) |
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Stu Kerton - Road.cc“Pick-up from the pawls in the freehub is instantaneous, which removes any slop when you hammer on the pedals from a standing start or when exiting a tight corner that you've freewheeled through.”- (48 Limitless) |
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Ashley Quinlan – BikeRadar“The hubs feel smooth and efficient, taking a satisfyingly long time to spin down when wound up on a service stand.”- (48 Limitless UD) |
Rider Experience Support
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.
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.
