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Castelli Free Aero Bib Shorts


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Average connection time 25 secs

Average connection time 25 secs

The ultimate race short wheter you're racing the Tour De France or setting a Strava PR

The Free Aero Race short has been engineered as our premier race short. Our first Free Aero Race debuted in 2007 and has undergone continuous improvement as we develop new fabrics and construction methods and respond to feedback from our professional teams. We designed the Free Aero Race to be fast by concentrating on helping you get the most out of your body and by optimizing aerodynamics. The other main goal in this short is comfort, because the pros will be riding 30,000 km per year, and a four-hour ride isn’t even considered long. While the Free Aero Race short has been engineered for top-level racing, all its features make it an ideal short for whatever your cycling challenge.


  • Vortex dimpled fabric on legs for aero performance
  • Forza fabric on inner legs with 38% Lycra® content for perfect fit
  • Carré engineered lie-flat bib strap construction for minimal coverage, maximum comfort
  • GIRO Air mesh-like leg gripper elastic for better grip distributed over larger area
  • Doppio V construction in front for increased support and comfort
  • Flat-lock stitching
  • Reflective detailing on back
  • Progetto X² Air seat pad for even greater comfort


  • Windproofness
  • Waterproofness
  • Insulation
  • Breathability
  • Lightweight
Rosso Corsa
Clothing Feature:
11°C to 15°C

16°C to 20°C

21°C to 25°C

26°C +
Cycling Clothing Fit:
Race Fit

How long will it take to arrive?

Please check the stock availability notice on your item when placing your order. This item is: Sold out

How will I know it has been sent?

You will receive an email to confirm when your item has been sent.

You can also check the status of your order and individual items by accessing My Account details and following the prompts.

Please allow 10 working days from dispatch of your order before notifying us of any late deliveries.

It may be advisable to check with your neighbours to see if a parcel has been left with them, check any outhouses you might have where it may be left if it cannot fit through your letterbox and contact your local sorting office to see if the item has been returned to the depot as undelivered and awaiting collection.

If I'm not completely happy with my item?

Please see our returns policy.

Customer Reviews

Overall Rating : 4.8 / 5 (10 Reviews)
  • 8 5 star reviews
  • 2 4 star reviews
  • 0 3 star reviews
  • 0 2 star reviews
  • 0 1 star reviews
See all reviews

Top Customer Reviews

Where reviews refer to foods or cosmetic products, results may vary from person to person. Customer reviews are independent and do not represent the views of The Hut Group.

Castelli Fee Aero Bib Shorts

Comfy bike short which are snug to put on but once on the fitting is not noticed. PBK had shorts delivered in about 10 days.

Luxurious bibs

Feels luxurious, the material used are soft and comfy. Slightly longer at the tighs. Shoulder straps are ok.. feels somewhat tighter , but ok when you are on the saddle. Comfortable for century rides, highly recommended.


It's Castelli, what more do you need to say. You will stand out on the local group ride, or down at the coffee shop afterwards, after all, that's what it is all about. Superb quality, ridiculously comfortable and you will completely forget that they are even there.

Very good!

I was looking for comfortable and fit bib shorts and I am very happy with these. They make a big difference in terms of comfort during my rides, both long and shorts.


Castelli earo bibshorts are fantastic. Definitely go a size up from what is recommended (I am 178cm tall and 83kg the xL is perfect) The box arrived from prokikekit on time Very easy to buy from

Top quality bib shorts

These are my preferred bib shorts, beating Etxeondo, Rapha and Assos. Best price on line from ProBikeKit so I’m very happy. Comfortable, stylish and they last well. Wore them on an 11 hr bike ride in temperatures that got up to 30 degrees C with no issues whatsoever.

Really really good

After using a few different variations of Assos bibshorts I bought two pairs of these in a ridiculously good offer to see if my rear end might cope better with long distances, as no matter how much chamois cream I lather on I still got discomfort after 60 miles. What can I say, a total transformation! Not sure if its the different pad thickness in different zones, but it just works for me. No more numbness and I can actually ride three days in a row without having to tenderly place my rear end on a saddle. I went one size up from my normal size Medium, and while its still a bit of a squeeze to get in them, once on the bike you do forget about them. Maybe not the shorts to try after an overindulging Xmas period, but more of a middle of the racing season fit. As always, you do get what you pay for, in this instance, total comfort!

Simply the best

All day comfort, great quality bib shorts.

Castelli BIB Shorts

Excellent quality and confort. You need to select one size up.

castelli free aero race bib

good soft, good dry i will next buy