Tenaci GA40 Aero
Tenaci GA40 Aero
Tenaci GA40 Aero
Tenaci GA40 Aero
Tenaci GA40 Aero
Tenaci GA40 Aero
Tenaci GA40 Aero
Tenaci GA40 Aero
Tenaci GA40 Aero
Tenaci GA40 Aero

Tenaci GA40 Aero

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Tenaci GA40 Aero gravel wheels

 Now available from Ere Research Tenaci GA40 aero gravel wheels.

The fastest wheels you’ll ever need for your gravel bike. No compromise on either materials or design was made to make this wheelset a reality from our ideas on paper to the final wheels in our gravel bikes. It might need some getting used to that hollow whooshing speed sound these wheels make when accelerating... off-road!

Tried and tested for over a year by many pro riders in UCI gravel series and coming out on top winning several Gravel UCI Worldcup's in 2022. We are proud to present the new GA40 carbon aero wheels for gravel bikes. Weighing in at only 1.549 grams with 40mm carbon rims.

GA40 Rims

Offroad-Aero is new endeavour and we turned to renowned earodynamic specialist Paul Lew to help create the first real off-road aero gravel wheelset that really works and delivers on aerodynamic performance advantages. The big smile on our Pro riders faces when taking the win on these wheels, is all you really need to know. 

The first rim in the Ere wheels line-up with a hookless rim design. The perfect combination with our handmade Tenaci tyres. The wheels are tubeless ready.

The GA40 rims come in a 40mm rim height and a 26mm inner width. The rims use 24 spokes in the front wheel and 24 spokes in the rear wheel. The aero optimized shape of the wheel offers a really nice riding experience. Rim weight is 488 grams per rim.

Iona SL hubs

The Tenaci GA40 are paired to the new Ere Research Iona-SL hubs with a 100% in-house engineered and manufactured design. The hubs are bulletproof and will practically run forever when properly taken care of. The straight-pull hubset has a low profile and a sturdy design. Its angled flange supports the directional torque going through the hub body, so it can take any beating. For our Iona SL hubs we use SKF sealed bearings. Perfect for wet gravel adventures and reliable and durable. Iona SL hubs are equipped with a 36T star ratchet system (upgradeable to 52T) body offering direct engagement in all riding conditions. Iona hubs are available with Shimano, Campagnolo and SRAM XDR free hub body options.

Torque 2 design

Torque 2 is taking the forces that the hub absorbs from the disc brake load when braking. When the rear wheel gets torque from the hub body when pressure is applied through the chain and cassette, it directs those forces where the material is strongest. That way we can remove material where we can and add material where needed.

Our Iona hub series are as light as possible, but without compromising on strength and reliability. At the same time, we accomplished keeping the structural integrity with a very thin wall design made from very high-grade aluminium. This results in weights as low as 235grams for the rear hub and 100 grams for the front hub.

Spokes

The GA40 wheels are built with black Sapim CX Delta/Sprint spokes. The black straight pull spokes have an aero bladed finish and add a lot of strength to the wheel. The front and rear wheel are laced to the hub with 24 spokes.

Nipples

For Tenaci GA40 we use Sapim 14mm nipples in a black finish.

Tubeless

Tubeless valves are included with this wheelset. Tubeless tape is already fitted to the wheels  

Lifetime warranty

Tenaci GA40 can be registered to obtain lifetime warranty. The maximum rider weight is set at 140kg.

Finish

Available in matt and Glossy finish and a variety of decal colors.

 TENACI GA40

General
Intended use Performance Gravel
Total set weight 1.549 grams  (1-3% tolerance)
Front wheel weight 705 grams
Rear wheel weight 844 grams  
Tyre compatibility Tubeless-Hookless  
Recommended tyre width 36C - 54C  
Minimum tyre width 32C  
Maximum tyre width 58C  
Maximum rider weight 140 kg   
Brake System Disc brake only  
Warranty Lifetime*  
Crash replacement Lifetime  
 * Registering your wheels within 60 days after purchase will extend your warranty to lifetime warranty
Rims Front Rear
 Rim material carbon carbon 
 Rim height 40mm 40mm 
 Rim size  (ETRTO) 700C / 28" 700C / 28"
 External rim width 33mm 33mm 
 Internal Rim width 26mm  26mm 
 Rim type Hookless Hookless
 Holles pattern 24 24
 Tubeless (ready) Yes* Yes* 
 Tubeless Tape Ere Tubeless Tape 30 Ere Tubeless Tape 30
 * Tubeless tape is fitted to the rims. Recommended tubeless tape width is 30mm
Hubs Front Rear
Hubs IONA-SL IONA-SL
Hub material Alloy  Alloy
Bearings 2 x SKF 6902 4 x SKF 6902
Engagement system 36T Star Ratchet S&S 15692 bearing
Compatibility Shimano/SRAM/Campagnolo
Axle System TA 100 x 12mm TA 142 x 12mm 
Brake Interface Centerlock Centerlock

 

Spokes Front Rear
Spoke Sapim CX Delta Sapim CX Delta / CX Sprint 
Spoke count 24 24
Spoke type Straightpull Aero Straightpull Aero
Spoke material Steel Steel
Spoke length NDS/DS 284/282 284/282 
Nipples Black / alloy Black / alloy
Spoke tension DS 880-980Nm / NDS 900-1080Nm DS 980-1180Nm / NDS 880-980Nm

Front wheel
Rear wheel
Tubeless tape is fitted to the wheels

Included:
6 Spare spokes and nipples
Spacer ring
2 x Ere Optimum Tubeless Valves 60mm

100% no-plastic recyclable packaging

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SHIPPING RATES

All orders under 100 will be shipped with a shipping fee of 7,50. Orders over 100 have no shipping charges.

DELIVERY TIMES

Your order will be processed immediately. Normally all orders placed before 17:00 CET will be shipped that day. We will not ship out any products during weekends and public holidays.  

You will receive a shipping confirmation with track and trace information. Normal delivery time is 2-3 days for orders inside Europe. Global shipping might take a few days more to get there. Don't worry, you will always be able to track and trace your parcel.

 

 

Tenaci GA40 Aero carbon gravel wheels

The Tenaci GA40 Aero wheelset is a great upgrade for your gravel bike. The 40mm deep carbon rim is designed in cooperation with the world's leading carbon specialists and wind tunnel experts.

The rims use a hookless design and have 26mm internal rim width.


We use steel aero spokes to fit the rim to our reliable Iona SL star ratchet hub set. The result is a strong and versatile wheelset for every gravel race or bike packing trip.

Stealth or ShINE

Available in matt black with black decals or glossy black with black or white decals. GA40 is available in several finishes to match your bike and style.

With a maximum rider weight of 140kg there is no limit on the amount of extra bags you can bring for a bike packing adventure or cycling holiday.

All our Ere wheels are made with craftmanship and high attention to detail. Every wheel is designed to perform on the highest level depending on the intended use.

To provide extra piece of mind, register your wheels on our website for lifetime warranty on manufacturing defects. Furthermore we offer a crash replacement policy on your wheels in case something unexpected happens.

Find the full specifications of the Tenaci GA40 under the specifications tab of the Tenaci GA40 product page.

Not sure which tire will fit your wheels? Read more about the recommended tires for Tenaci GA40 on our Tire technology page.

Carbon gravel wheelset

Tenaci GA40 Aero

  • 1.555 grams
  • Full carbon aero rims
  • 40mm high rim section
  • Hookless rim design
  • Tubeless compatible
  • Iona SL hubs
  • Star ratchet freehub body

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