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 Shoes - Suede, Firmor Support, Size 41.5

Reference Number: 5XS6ED

Elevate your mountain biking performance with the SIDI Aertis Mountain Clipless Shoes - Men's in sleek Black/Black, size 41.5. Crafted with premium materials and innovative technology, these shoes deliver optimal support, comfort, and versatility for demanding off-road adventures.

Materials & Construction

Constructed from high-quality premium suede, the SIDI Aertis offers exceptional durability and a refined look. The combination of premium materials ensures a comfortable fit while withstanding rugged trail conditions, making these shoes a reliable choice for serious cyclists.

Performance & Engineering

Designed for maximum pedaling efficiency and walking comfort, the Aertis features SIDI's advanced Tecno-3 System for precise fit adjustment along the entire upper. The Firmor Closure system provides excellent lateral support and customizable fit, contouring to your foot for all-day comfort on challenging terrains. The lightweight, yet rigid SIDI MTB SR17 outsole maximizes power transfer while offering flexibility for confident walking, thanks to its innovative stiffness-to-mobility balance.

Components & Technology

Featuring the innovative SIDI Wire monofilament, the closure system allows intuitive, on-the-fly adjustments without binding, ensuring a secure fit every time. The Tecno-3 dial system is fully serviceable and replaceable, offering long-term reliability and ease of maintenance. The outsole includes a replaceable rubber insert for enhanced grip in varied conditions, and toe inserts are easily replaceable, with the option to mount spikes for muddy or technical trail rides.

Style & Use Case

Designed for serious mountain bikers, these shoes combine a sleek black aesthetic with cutting-edge technology, making them suitable for trail riding, enduro, or mountain bike racing. The clipless 2-bolt cleat pattern ensures compatibility with a wide range of mountain bike pedals, offering optimal power transfer and bike control.

Key Features

- Premium suede upper for durability and comfort

- Firmor Closure system for lateral support and endless adjustment

- Tecno-3 System for customized and precise fit

- Non-binding SIDI Wire monofilament for effortless adjustments

- Stiffness-to-flexibility balance for efficient pedaling and confident walking

- Replaceable toe inserts with spike mounting options

- Rugged outsole with replaceable rubber insert for superior grip

Upgrade your mountain biking gear with the SIDI Aertis Mountain Clipless Shoes, engineered for performance, durability, and all-day comfort on the trail. Whether you're attacking technical climbs or navigating muddy singletracks, these shoes help you perform at your best.

  • Premium suede upper with durable, lightweight construction provides exceptional comfort and long-lasting performance on rugged mountain trails.
  • Engineered with SIDI's innovative Firmor technology, these mountain clipless shoes deliver superior lateral support and customizable fit, ensuring maximum stability during aggressive riding or technical terrain.
  • Equipped with the high-performance SIDI MTB SR17 nylon sole, combining optimal stiffness for powerful pedaling with flexibility for comfortable walking and hike-a-bike sections.
  • Advanced Tecno-3 dial closure system and proprietary SIDI Wire monofilament offer infinitely adjustable, non-binding fit adjustments on the fly, enhancing comfort and efficiency during intense rides.
  • Versatile design features replaceable toe inserts, favorable for muddy conditions and the option to install spikes, making these shoes ideal for mountain biking enthusiasts seeking durability, grip, and adaptability.
Item Specifications
Cleat Bolt Pattern2-Bolt
ClosureDial
Shoe Size (EU)41.5
Gender/AgeMen's
ColorBlack
Defined ColorBlack
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.



MTSH2383 .

Company Details

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

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