This is the #1 tire choice for Tour Divide, the longest mountain bike race in the world stretching from Canada to Mexico along the Rockies. It features an elevated centerline that rolls effortlessly on hard surfaces, numerous micro knob working edges providing lateral traction and predictability, and a voluminous casing designed to go the distance.

Long-lasting tire with a rounded profile and low rolling resistance.

Item Specifications: Color, Black/Tan, Tire Bead, Folding, ISO Diameter, 622 / road / 29", ISO Width, 40, Labeled Size, 700 x 40, Tire Type, Tubeless Ready Clincher, Tire Diameter, 700c, Intended Use, CX, Defined Color, Black,

WTB Nano 40 Tire 700 x 40 TCS Tubeless Folding Light Fast Rolling Mountain Bike

Reference Number: 6E91C4

Enhance your gravel and mountain biking performance with the WTB Nano 40 Tire 700 x 40 TCS Tubeless Folding Wheelset. Designed for endurance, durability, and speed, this tire is the ultimate choice for cyclists tackling long-distance races, gravel rides, and challenging terrain. Built with premium materials and cutting-edge technology, the Nano 40 combines lightweight performance with rugged reliability to maximize your cycling experience.

Materials & Construction:

The WTB Nano 40 features a durable, lightweight casing crafted with a 60 TPI (threads per inch) reinforced foundation, ensuring long-lasting wear and excellent puncture resistance. Its tubeless-ready clincher design, equipped with a TCS aramid bead, allows for easy tubeless conversion, reducing weight and improving ride quality. The rubber compound utilizes WTB's Dual Compound DNA formulation-60A in the center for low rolling resistance and 50A on the sides for superior lateral traction and control on varied terrain.

Performance & Engineering:

Engineered for speed and efficiency, this tire boasts an elevated centerline optimized for effortless rolling on hard surfaces, minimizing fatigue during extended rides. The voluminous casing provides additional cushioning and comfort, absorbing shocks for smoother rides over rough terrain. Its rounded profile reduces rolling resistance, enabling you to maintain high speeds and conserve energy across gravel, dirt roads, and mountain trails.

Components & Technology:

Equipped with a tubeless-ready clincher design and TCS aramid bead, the Nano 40 ensures a reliable, secure fit on your rim for tubeless setup, enhancing puncture protection and reducing weight. The micro knob working edges offer improved lateral grip, predictable handling, and confidence in corners and technical sections. This tire's 60 TPI construction balances flexibility and durability, delivering a responsive ride that stands up to demanding conditions.

Style & Use Case:

With its sleek black and tan color scheme, the Nano 40 exudes a rugged yet refined aesthetic suitable for gravel grinders, long-distance mountain rides, and adventure cycling. Its 700 x 40mm size strikes the perfect balance between rolling efficiency and grip, making it ideal for gravel racing, endurance rides, and all-terrain adventures. Whether you're navigating rocky descents or smooth gravel paths, this tire provides reliable performance and versatility.

Innovative Features:

- Long-Lasting Durability: Rounded profile and reinforced sidewalls resist cuts and abrasions for extended riding seasons.

- Enhanced Traction & Control: Micro knob edges improve lateral grip and cornering confidence.

- Tubeless Compatibility: Designed for easy setup with tubeless-compatible rims, reducing weight and enhancing puncture resistance.

- Lightweight & Fast Rolling: Optimized for gravel and mountain biking with low rolling resistance and minimal weight gain.

Upgrade your cycling setup with the WTB Nano 40 Tire-engineered for riders who demand durability, speed, and superior traction across diverse terrains. Experience the difference of innovative materials and thoughtful engineering on every ride.

  • Optimized for efficient rolling on paved sections with an elevated centerline for reduced rolling resistance and faster speeds during long-distance rides.
  • Constructed with a lightweight, durable TCS aramid bead and dual compound DNA rubber (60a/50a) for enhanced grip, wear resistance, and tubeless compatibility on gravel and mountain bike terrains.
  • Features a voluminous casing and micro knob working edges that provide superior lateral traction, predictability, and stability in varied trail conditions and technical terrain.
  • Designed with long-lasting performance and low rolling resistance in mind, this 700 x 40 tubeless-ready tire is ideal for endurance racers, gravel explorers, and mountain bikers seeking reliable durability and speed.
  • Stylish black/tan color scheme combined with a rounded profile makes the WTB Nano 40 Tire not only functional but also a sleek upgrade for adventure and racing bicycles that demand high performance and modern style.

Why 365 Cycles?

365 Cycles is an Authorized WTB Dealer, and we offer the Full WTB 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.



TR1638 .

Company Details

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

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