RACEMAX ITALIA: FASTEST GRAVEL, MADE IN ITALY
Developed and made in our Italian Factory, using proprietary Filament Winding + RTM technology delivering a super responsive feel and stunning look.
Designed for the most demanding riders and racers to be the fastest on any combination of asphalt, gravel and dirt, featuring clean, internal cable routing.
RACEMAX ITALIA: FASTEST GRAVEL, MADE IN ITALY
Developed and made in our Italian Factory, using proprietary Filament Winding + RTM technology delivering a super responsive feel and stunning look.
Designed for the most demanding riders and racers to be the fastest on any combination of asphalt, gravel and dirt, featuring clean, internal cable routing.
RACEMAX BOOST ITALIA: THE FASTEST ITALIAN MADE GRAVEL BIKE, ONLY FASTER
Developed and made in our Italian Factory, using proprietary Filament Winding + RTM technology delivering a super responsive feel and stunning look.
Designed for the most demanding riders and racers to be the fastest on any combination of asphalt, gravel and dirt, featuring clean, internal cable routing.
You can ride the Racemax Boost just like your standard Racemax Italian fast gravel bike, only farther and faster.
RACEMAX BOOST ITALIA: THE FASTEST ITALIAN MADE GRAVEL BIKE, ONLY FASTER
Developed and made in our Italian Factory, using proprietary Filament Winding + RTM technology delivering a super responsive feel and stunning look.
Designed for the most demanding riders and racers to be the fastest on any combination of asphalt, gravel and dirt, featuring clean, internal cable routing.
You can ride the Racemax Boost just like your standard Racemax Italian fast gravel bike, only farther and faster.
For the worst gravel and/or the most comfort, aero yet dropper/suspension seatpost compatible. Up to 700x57c tires! Italia version only
For the worst gravel and/or the most comfort, aero yet dropper/suspension seatpost compatible. Up to 700x57c tires! Italia version only
PRIMO: THE ORIGINAL AERO GRAVEL
The world’s first Full-aero gravel bike.
RACEMAX: FASTEST GRAVEL
Road bike speed on and off-road featuring next-level aerodynamics with rear wheel cutout, narrow headtube, bottle shielding downtube & aero profiles all around.
RACEMAX: FASTEST GRAVEL
Road bike speed on and off-road featuring next-level aerodynamics with rear wheel cutout, narrow headtube, bottle shielding downtube & aero profiles all around.
RACEMAX ITALIA: FASTEST GRAVEL, MADE IN ITALY
Developed and made in our Italian Factory, using proprietary Filament Winding + RTM technology delivering a super responsive feel and stunning look.
Designed for the most demanding riders and racers to be the fastest on any combination of asphalt, gravel and dirt, featuring clean, internal cable routing.
RACEMAX ITALIA: FASTEST GRAVEL, MADE IN ITALY
Developed and made in our Italian Factory, using proprietary Filament Winding + RTM technology delivering a super responsive feel and stunning look.
Designed for the most demanding riders and racers to be the fastest on any combination of asphalt, gravel and dirt, featuring clean, internal cable routing.
TOUGHEST GRAVEL
Get to the worst roads fast with the aero frame & road-inspired riding position
For the worst gravel and/or the most comfort, aero yet dropper/suspension seatpost compatible. Up to 700x57c tires! Italia version only
For the worst gravel and/or the most comfort, aero yet dropper/suspension seatpost compatible. Up to 700x57c tires! Italia version only
STRADA: WORLD’S MOST COMFORTABLE AERO BIKE 2.0
Aero&comfortable frame featuring clean, internal cable routing. Optimized for real world aerodynamics while maintaining comfort, because without comfort you won't be able to keep the aero position.
STRADA: WORLD’S MOST COMFORTABLE AERO BIKE 2.0
Aero&comfortable frame featuring clean, internal cable routing. Optimized for real world aerodynamics while maintaining comfort, because without comfort you won't be able to keep the aero position.
RACEMAX BOOST: THE FASTEST GRAVEL BIKE, ONLY FASTER
You can ride the Racemax Boost just like your standard Racemax fast gravel bike, only farther and faster. Or use it as a road bike with hidden speed, ideal if you ride in a group with varying abilities. You can even use it to arrive at work without a sweat.
RACEMAX BOOST: THE FASTEST GRAVEL BIKE, ONLY FASTER
You can ride the Racemax Boost just like your standard Racemax fast gravel bike, only farther and faster. Or use it as a road bike with hidden speed, ideal if you ride in a group with varying abilities. You can even use it to arrive at work without a sweat.
RACEMAX BOOST ITALIA: THE FASTEST ITALIAN MADE GRAVEL BIKE, ONLY FASTER
Developed and made in our Italian Factory, using proprietary Filament Winding + RTM technology delivering a super responsive feel and stunning look.
Designed for the most demanding riders and racers to be the fastest on any combination of asphalt, gravel and dirt, featuring clean, internal cable routing.
You can ride the Racemax Boost just like your standard Racemax Italian fast gravel bike, only farther and faster.
RACEMAX BOOST ITALIA: THE FASTEST ITALIAN MADE GRAVEL BIKE, ONLY FASTER
Developed and made in our Italian Factory, using proprietary Filament Winding + RTM technology delivering a super responsive feel and stunning look.
Designed for the most demanding riders and racers to be the fastest on any combination of asphalt, gravel and dirt, featuring clean, internal cable routing.
You can ride the Racemax Boost just like your standard Racemax Italian fast gravel bike, only farther and faster.
ULTRA BOOST - ULTRA BOOST URBAN: THE BOOST, EXTENDED
You can ride the Ultra Boost just like your standard Ultra tough-gravel bike, only expanding your horizons.
Ultra Boost Urban have the same capabilities of Ultra Boost, just with a more upright position, ideal for commuting or granting additional control.
ULTRA BOOST - ULTRA BOOST URBAN: THE BOOST, EXTENDED
You can ride the Ultra Boost just like your standard Ultra tough-gravel bike, only expanding your horizons.
Ultra Boost Urban have the same capabilities of Ultra Boost, just with a more upright position, ideal for commuting or granting additional control.
ULTRA BOOST - ULTRA BOOST URBAN: THE BOOST, EXTENDED
You can ride the Ultra Boost just like your standard Ultra tough-gravel bike, only expanding your horizons.
Ultra Boost Urban have the same capabilities of Ultra Boost, just with a more upright position, ideal for commuting or granting additional control.
ULTRA BOOST - ULTRA BOOST URBAN: THE BOOST, EXTENDED
You can ride the Ultra Boost just like your standard Ultra tough-gravel bike, only expanding your horizons.
Ultra Boost Urban have the same capabilities of Ultra Boost, just with a more upright position, ideal for commuting or granting additional control.
Most comfortable road & all-road, compatible with standard and Integrale stems
Comfort with extra control
narrow = aero
wide = aero
(& comfort & grip)
Optimized to be the fastest wheel with 28-30mm road tires, perfect for your Strada
45mm deep rim engineered to perform like a 60mm depth (fast without crosswind problems)
Exploro-approved: best way to boost aero performance of 32-40mm gravel tires.
Build on demand. Delivery time could vary from 4 to 8 weeks.
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Discus 45|32 -
Discus 45|32 -
Discus 45|32 -
Discus 45|32 -
Discus 45|32 -
Discus 45|32 -
Discus 45|32 -
Discus 45|32 -
Discus 45|32
REALFAST AERODYNAMICS
The bike industry is great at optimizing and testing bikes and wheels with 21mm or 23mm tires. It creates impressive drag and weight numbers, but both suffer once you put realistic tires on.
We believe in RealFast, engineering and testing for the real world. 28-30mm tires are the smart choice for comfort and grip so the Discus 45 | 32 was engineered around those tire widths.
The chart shows the Discus 45 | 32 (red graph named C45 WIDE) is as fast as a deep rim (grey graph), using tires with the same measured, effective width. Note: due to the big inner width, a tire labeled “25mm" on the Discus 45 | 32 fits the same as a “28mm” tire on the deep rim. Same drag, comfort & grip, but of course the tire on the Discus 45 | 32 is lighter (50g for the pair).
NOSETAIL DESIGN
The Discus 45 | 32 is the fastest wheel at this rim depth; in fact it tests as fast as other 60mm deep rims. So you have the advantages of a shallower rim, like ease of handling in crosswinds, and the speed of a deeper rim. The Discus 45 | 32 achieves this with its unique NoseTail design. By definition rim design is a compromise, because it whatever shape is aerodynamic on the front half doesn’t work so well 180 degrees later when it’s backwards.
The NoseTail shape developed by the legendary Dave Kennedy (an aerodynamics professional for over 50(!) years) and 3T’s Head of Design Gerard Vroomen actually sacrifices some performance on the front half of the wheel in favor of working better on the back half. Not only do the two effects cancel each other out, but the resulting shape also requires less rim depth and better guides the airflow from the rear of the front wheel onto the downtube.
GO BIG OR GO HOME
If you want even more comfort on the road or plan to ride gravel, the Discus 45 | 32 has another trick up its sleeve: the rim shape is very insensitive to tire size.
So where the drag of the deep rim “blows up” once you get past a certain tire size (grey graph), the Discus 45 | 32 works great with oversized road tires (red graph) that are even larger than the ones mounted on the deep rim. In fact, you can see the oversized tire performs almost as well as the two wheels with the regular 29.5mm tires.
DETAILS
BIG INNER WIDTH: Wider tires equal more comfort & roll lighter but weigh more. The Discus' increased inner width turns narrow tires into wider ones without a weight penalty. Most “25mm” labeled tires fit 28-30mm wide on the Discus 45 | 32 while “28mm" tires give a super-comfortable 30-33mm ride.
HOOKED ON SAFETY: Hookless designs save a few grams and are a good choice for low-pressure applications (such as our 650b DiscusPlus wheels). But at higher pressure, hooked rims provide additional safety. Yes, it make manufacturer more complicated and expensive, but it’s the correct engineering solution.
SAFETY RIDGE: With tubeless tires, rolling resistance is lower and flats are very rare. But when you do flat with a road tire, a safety ridge keeps the tire on the rim for safety and to avoid damage (they're often skipped to save some weight & make manufacturing easier).
SEALTIGHT: Little-known fact: Most people are impressed if a new wheel spins endlessly. But it actually means the seals don’t make proper contact, so water, mud & grit can enter the bearings easily. Good (contact style) seals should feel stiff when new and need 100-1,000km of use to settle in. Not as sexy, but proper engineering.
SEALANT-RESISTANT: You may have heard of wheels destroyed by aggressive sealant. That’s why we use chrome-plated brass nipples (much more durable than alloy) with stainless steel washers & spokes. For best results, we recommend avoiding alkaline sealants with ammonia or sodium hydroxide.
DUAL FREEHUB: The Discus 45 | 32 wheelset comes standard with two freehub bodies: a SRAM xD-R freehub for both xD and xD-R cassettes as well as a Shimano freehub for 10/11speed cassettes. Use one, save the other and you will always be prepared for future changes and upgrades to your drivetrain setup.
SPECIFICATIONS
| Rim size | ETRTO 622 x 25c, (28”/700c) 32mm wide, 45mm deep |
| Rim Spec | Tubeless-Ready Clincher, specific angle drilling |
| Rim material | Unidirectional carbon - ultralight layup |
| Spokes | Sapim CX-Ray Straight-pull, stainless steel, black finish, double butted aero, 24 Front/24 Rear |
| Hubs | 3T GW Bombproof Hubs, Centerlock type, oversized light alloy hub bodies, spindles & freehub body, adjustable bearings, black satin anodized |
| Nipples | Sapim chrome-plated brass |
| Front Hub spec | Thru-axle 100x12mm |
| Rear Hub spec | Thru-axle 142x12mm |
| Rear Hub compatibility | 10/11s Shimano freewheel and SRAM XDR Driver body included |
| Wheel weight (+/- 5%) | 1640g |
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