Whatever the journey, Aertis is there to make it easier and better. The comfort of a premium suede construction meets the Firmor technology that offers great lateral support. The nylon sole with replaceable rubber insert allows for maximum grip in any situation and increased walking comfort.Designed for maximum lateral support the Firmor Closure contours the foot with a solid hold, and allows infinite size adjustment for the ideal individual fit. SIDI’s Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit. The closure uses a new proprietary SIDI Wire monofilament that is completely non-binding for intuitive and effortless on-the-fly adjustments. Like most SIDI small parts, the Tecno-3 System is serviceable and

Sidi Aertis Men's Mountain Clipless Cycling Shoes with Firmor Support & Size 47

Reference Number: 5XS6ED

Experience unrivaled performance and comfort with the SIDI Aertis Mountain Clipless Shoes - Men's, designed specifically for serious mountain bikers and trail enthusiasts. Crafted with a premium greige and black suede upper, these shoes combine durability, style, and innovative engineering to elevate your biking experience.

Materials & Construction:

Featuring high-quality suede for a refined appearance and excellent breathability, the Aertis shoes are built to withstand the rigors of mountain biking. The rugged nylon sole, equipped with a replaceable rubber insert, provides superior grip on diverse terrains and ensures walkability after rides. Toe inserts are easily replaceable and can accommodate spikes, making them ideal for muddy, technical trail conditions.

Performance & Engineering:

Engineered for optimal pedaling efficiency and walking comfort, the SIDI Aertis shoes incorporate the advanced SIDI MTB SR17 sole-designed with exceptional stiffness for maximum power transfer and flexibility for natural walking movement. The precision-engineered Firmor Closure system delivers outstanding lateral support and allows infinite adjustment, ensuring the perfect, personalized fit. The combination of stiffness and support translates into increased efficiency on steep climbs and technical descents.

Components & Technology:

Equipped with the innovative Tecno-3 System, these shoes offer a customizable fit along the entire shoe length. The dial-based closure uses a proprietary SIDI Wire monofilament, providing non-binding, intuitive adjustments on the fly for seamless locking and release. The Tecno-3 System is serviceable and replaceable, allowing for long-term maintenance and customized comfort tailored to your foot shape.

Style & Use Case:

Designed for aggressive trail riding and cross-country adventures, the Aertis Mountain Shoes blend sporty functionality with a sleek, versatile aesthetic in greige and black. Perfect for riders seeking maximum support, superior grip, and durability in demanding mountain biking scenarios, these shoes ensure you perform confidently on every trail.

Innovative & Differentiating Features:

- Advanced Firmor lateral support closure for a secure, adjustable fit

- SIDI Tecno-3 dial system for precise fit customization and ease of use

- Replaceable toe inserts with spike compatibility for muddy terrains

- High-stiffness SIDI MTB SR17 sole for optimal pedaling and walking performance

- Durable suede upper with breathable design for all-day comfort

Upgrade your mountain biking gear with the SIDI Aertis Mountain Clipless Shoes, engineered for performance, comfort, and durability. Dominate the trails with confidence-whether you're climbing technical slopes or navigating rugged terrain.

  • Premium Suede Construction with Greige and Black Finish for Durability and Style, blending classic aesthetic with modern cycling design.
  • Advanced Firmor Technology provides superior lateral support and an adjustable fit for enhanced power transfer and stability during intense mountain biking sessions.
  • SIDI Tecno-3 Closure System with non-binding monofilament wires enables effortless, on-the-fly micro-adjustments for a customized, optimal fit tailored to every rider.
  • High-Performance SIDI MTB SR17 Nylon Outsole offers the perfect balance of stiffness for efficient pedaling and flexibility for confident walking on and off the trail.
  • Innovative features include replaceable toe inserts and compatibility with spikes for muddy terrains, making these shoes the ideal choice for aggressive trail riding and technical mountain biking adventures.
Item Specifications
Cleat Bolt Pattern2-Bolt
ClosureDial
Shoe Size (EU)47
Gender/AgeMen's
ColorGreige/Black
Defined ColorGray
ActivityCycling

Why 365 Cycles?

365 Cycles is an Authorized SIDI Dealer, and we offer the Full SIDI Warranty!

Fast Shipping!

Professional Customer Service- available 7 days a week
Check out our 200,000+ amazing reviews!

365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.

At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.

We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.





Shipping & Handling

Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.

Please allow 1-2 business days for your order tracking to update.

  • Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
  • Friday afternoon -Sunday orders ship the following Monday
  • Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.

Combined Shipping Discounts

To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.

  1. Be sure you are using the US site: https://www.ebay.com
  2. Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
  3. Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
  4. Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
  5. You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.

Returns

365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.

Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.

Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.

If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!

Exchanges

If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.



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Company Details

365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

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