With the SIDI Nix cycling boot, experience the perfect blend of eco-friendly weather resistance and unmatched stability with the new Gore-Tex EPE Membrane. Enjoy all the control without the extra weight thanks to anatomical heel construction and Firmor lateral support technology. The Millennium Fit, combined with a wrapping strap and high-density dialing system, ensures incredible stability and comfort for every wearer. The R2CC sole, with engineered inserts and reinforced toe and heel areas, guarantees durability and peak performance in the toughest conditions.Gore-Tex EPE Membrane with anatomical heel construction. Millennium Fit, this new system measures the length of the foot in centimeters, from the heel to the big toe, ensuring a more precise and comfortable fit1. It aims to provide

SIDI Nix Cycling Boot Men's 3-Bolt SPD Waterproof Black/Black

Reference Number: 3HE4MZ

Enhance your cycling experience with the SIDI Nix Cycling Boot in Black/Black, size 47, featuring Millennium Fit technology-designed for serious riders seeking superior comfort, durability, and performance. Crafted with premium materials, this cycling boot combines eco-friendly innovation with advanced engineering to meet the demands of mountain, gravel, and road cycling.

Materials & Technology:

Constructed with a Gore-Tex EPE Membrane, the SIDI Nix ensures exceptional weather resistance-keeping your feet dry and comfortable in wet conditions-while maintaining breathability. The high-quality upper features reinforced toe and heel areas, providing added durability against rough terrains. The R2CC sole boasts a carefully engineered stiffness index, engineered inserts, and reinforced zones to optimize power transfer and longevity.

Performance & Engineering:

Designed for peak performance, the Nix employs Firmor lateral support technology for enhanced stability during aggressive riding or technical climbs. The anatomical heel construction complements the custom Millennium Fit system, which precisely measures foot length in centimeters for a tailored fit that minimizes foot fatigue and maximizes control.

Components & Technological Features:

- Millennium Fit System: Offers a more precise, comfortable fit by measuring foot length for optimal sizing and stability.

- Dial Closure System: Provides fine-tuned, quick adjustments for a secure and personalized fit.

- 3-Bolt Cleat Pattern: Compatible with most road and mountain bike cleats, ensuring versatility for different pedal systems.

- Reinforced Toe and Heel: Protect key wear points and improve durability in tough riding conditions.

Style & Use Case:

Designed for serious cyclists who demand reliability and high performance, the SIDI Nix is ideal for mountain bikers, gravel grinders, and road riders tackling variable weather and rugged terrain. Its sleek black design combines functionality with a clean aesthetic, making it suitable for both competitive racing and endurance adventures.

Innovative & Differentiating Features:

- Eco-friendly Gore-Tex EPE Membrane for weather resistance and breathability

- Millennium Fit for a customized, ergonomic fit that promotes power efficiency

- Reinforced zones for maximum durability on challenging trails

- Advanced support technology for enhanced stability and comfort

Upgrade your cycling gear with the SIDI Nix Cycling Boot-where innovative engineering meets superior materials to deliver unmatched performance, weather protection, and comfort. Dominate every terrain with confidence and style!

  • Enhanced weather resistance with Gore-Tex EPE membrane, ensuring superior water protection and breathability for all-weather cycling conditions.
  • Millennium Fit technology provides a precise, comfortable fit by measuring foot length in centimeters, reducing fatigue and increasing stability on long rides.
  • R2CC sole features engineered inserts and reinforced areas, delivering optimal stiffness for efficient power transfer and maximum durability in demanding cycling environments.
  • Incorporates Firmor lateral support technology and reinforced toe and heel caps for enhanced control, stability, and protection during intense rides or technical terrains.
  • Sleek, aerodynamic style with 3-bolt cleat compatibility and dial closure system, offering quick, secure adjustments and versatile use for road cycling enthusiasts and competitive riders.
Item Specifications
Cleat Bolt Pattern3-Bolt
ClosureDial
Shoe Size (EU)47
Gender/AgeMen's
ColorBlack/Black
Defined ColorBlack

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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