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RK1 Bib Short

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The RK1 Bib Short is an elite performance, second skin road cycling short, built for speed and endurance in hot conditions.


Centred around a Performance Force chamois created in exclusive cooperation with Elastic Interface, RK1 delivers smooth and supportive comfort in the most challenging conditions. To encourage airflow, the chamois features an innovative cut-away front section, engineered to create a cool, comfortable environment. Custom-specced high density foam moves moisture and vents excess heat in record time. A seamless top sheet completes the chamois.

Throughout the bib, Clean Finish tailoring places stitch lines and seams away from sensitive places. Soft touch body fabric provides the perfect environment for race day, while a compressive fit assures stellar stretch and recovery. Soft mesh shoulder straps aid cooling and offer just the right amount of support to keep the bibs in place.

Seamless raw edges at the legs do away with overeager grippers, extending body fabric to the hem to encourage a balanced, tapered grip.



  • Body: 66% nylon, 34% elastane
  • Bib Straps: 77% nylon, 23% elastane
  • Chamois: Elastic Interface Mens Performance Force (Made with recycled content)


  • Men’s: 168g


  • Mens Performance Force chamois with front cut out for breathability
  • Clean Finish Construction
  • Single seam, open mesh bib strap construction
  • Clean cut hem with silicon gripper
  • Reflective logo
  • Inseam - 10” / 25.5cm

Care Instructions

  • Machine Wash Cold
  • Do Not Bleach
  • Do Not Iron
  • Hang To Dry
  • Do Not Dry Clean

Have a question? We'd love to hear about your next adventure.

Crash Replacement

Crash Replacement

Hit the hills and go full out on the flats without worrying about keeping the rubber side down. To ease your mind and stay focused on the ride, we offer a Crash Replacement Policy.

Skin Fit

Skin Fit

Products that blend performance fabrics with highly articulated patterns to create a close-fit that feels like an extension of your body. Skin Fit apparel improves aerodynamics, moisture management and thermal efficiency.

7mesh RK1 Bib Short7mesh RK1 Bib Short
  1. "A big outlay but the performance and attention to detail mean they're worth it."

    Read More

7mesh RK1 Bib Short7mesh RK1 Bib Short

7mesh RK1 Bib Short7mesh RK1 Bib Short
7mesh RK1 Bib Short7mesh RK1 Bib Short

7mesh RK1 Bib Short7mesh RK1 Bib Short

7mesh RK1 Bib Short7mesh RK1 Bib Short


Product Reviews

  1. RK1 Bib Short

    A bit pricey but worth it. I wore these shorts for 10hrs a day for 6 days on the Colorado trail. They are extremely comfortable and the fit is great. I love how the straps do not run directly over your nipples as that can result in issues on long, multi-day rides. The sizing was a bit confusing, I ...

  2. They are awesome

    My new fav bibs!!!
  3. Great light shorts

    They are superb quality, comfy pad and very soft feel. However, in all my previous bibs I was L, here I have to go for M in order to have that tight feel I am used to. Great prodduct, highly recomend!
  4. Works!

    Angenehm zu tragen. zuerst dachte ich, daß die Hose unten zu eng ist - soabld man sie komplett an hat - hält sie aber gut ihre Postion!, das Polster ist etwas dünner, aber ich hatte in Kombi mit Prologo M5 keine Probleme nach 4,5h.
  5. Awesome Bib Shorts!

    Perfect fit, great breathability, incredibly comfortable shammy and shoulder straps. Was worried the straps would be too short for me at 6' 3" but work very well.
  6. Nearly Perfect

    I just picked up two pairs of the RK1 bibs and am thoroughly impressed! Coming from Assos, Castelli & Craft bibs, these are a big step up. While being tall (6'5"), I trusted the size chart (and Clare in customer service) for my hips & thighs and went with a medium.

  7. My go to bib

    7mesh has once again left me very impressed. The RK1 shorts fit well, perform well, and are made well.

  8. Best bibs I've owned

    Having previously bought Rapha and Assos and reading the specs and reviews of the RK1's I thought I would give them a try as have always been slightly uncomfortable on longer rides. They are a revelation. The fabric initially feels thin but shapes to body perfectly and stays put. Just the right ...

  9. RK1 BIB Shorts

    Wow I'll start by saying these are amazingly comfortable shorts with an awesome pad that not only moulds to the derriere but also slightly down the inner thigh just enough to not get saddle rub, they are made of a silky smooth material but which grips well to the saddle and you don't even ...

  10. Close to perfection

    Took the RK1 to the test on a 10 hour gravel ride and although I had a lot to complain that day, none of this concerned my shorts. Happy with the (tight) fit around the legs, the technical details and overall look. Used it on almost every ride since and will definitely come back for more.

  11. Awesome!

    The RK1 bib is just awesome. I have never had a bib quite like it. 7mesh uses a totally different material, but it's unreal, it's so light weight and fits just as they state.. a second skin. Bottom line, these are super comfortable and well worth the investment.
  12. Fantastic

    These are my new go-to bibs - extremely comfortable. No complaints whatsoever.
  13. Amazing

    I have never seen any other road bibs that are close to the RK1 in terms of quality, features and material.
  14. Performance shorts with improved support and comfort

    The RK1 bib does a great job combining the extra compression and precision of a race-fit short with an all-day comfort chamois. It makes these bibs an easy choice for fast or long rides. I definitely appreciate the extra support and firmer fit relative to my old MK2 shorts.

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