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. Comp: Durable casing with wire bead and DNA rubber compound (60a).

Item Specifications: Color, Black, Weight, 550, Tire Bead, Steel, ISO Diameter, 622 / road / 29", ISO Width, 40, Labeled Size, 700 x 40, Tire Type, Clincher, Tire Diameter, 700c, Intended Use, Gravel, Defined Color, Black, TPI, 27,

WTB Nano 40 Tire 700c Clincher Gravel Bike Tire with Durable Wire Bead & Micro Knob Traction

Reference Number: 8E06C4

Experience unparalleled durability and performance with the WTB Nano 40 Tire - the ultimate choice for gravel, mountain biking, and long-distance adventures. Designed with advanced engineering and premium materials, this 700 x 40c clincher tire delivers exceptional grip, reliability, and efficiency on mixed terrain, making it ideal for competitive racing, trail riding, and endurance events like the legendary Tour Divide.

Materials & Construction

Constructed with a durable wire bead and a high-performance DNA rubber compound (60a Durometer), the WTB Nano 40 ensures longevity and consistent traction. Its voluminous casing features a 30 TPI (threads per inch) casing build, providing a perfect balance of flexibility and durability for rugged off-road riding and extended distance cycling.

Performance & Engineering

Engineered with an elevated centerline, this tire rolls effortlessly over hard surfaces, reducing rolling resistance and enhancing speed. Multiple micro knob edges offer superior lateral grip, providing predictable handling in technical cornering and loose terrain. The rounded profile minimizes road drag, ensuring a smooth ride whether you're on gravel paths or mountain trails.

Components & Technology

Key features include reinforced tread and sidewall protection to prevent flats on rough surfaces. The tire's clincher design simplifies mounting and inflation, while its 622 ISO diameter and 40mm width make it versatile for a range of bikes. Although it lacks reflective sidewalls, its bold black color coupled with its rugged construction makes it a reliable choice for demanding cycling environments.

Style & Use Case

Designed for gravel riding, mountain biking, and adventure touring, the WTB Nano 40 is built to conquer tough terrain, lengthy journeys, and competitive races. Its sleek, standard style integrates seamlessly with various bike setups, providing a versatile look combined with rugged function.

Innovative & Differentiating Features

The Nano 40's unique elevated centerline design ensures minimal rolling resistance while micro knob edges enhance lateral traction, delivering confidence in a variety of conditions. Its long-lasting casing and DNA rubber compound make it one of the most durable gravel and mountain bike tires on the market, suitable for ultra-endurance events and daily exploring alike.

Optimize Your Ride

Upgrade your bike with the WTB Nano 40 Tire for improved grip, durability, and efficiency on gravel, mountain, or mixed-terrain rides. Whether racing across the Rockies in the Tour Divide or tackling your local trails, this tire provides the performance, engineering, and style you need to push your limits.

Specifications at a Glance:

- Tire Size: 700 x 40c (ISO 622 / Road / 29")

- Material: Durable wire bead, DNA rubber compound (60a)

- TPI: 30

- Weight: 550 grams

- Flat Protection: Tread and sidewall

- Intended Use: Gravel, mountain biking, endurance racing

- Color: Black with reflective sidewalls (not included)

- Bead Type: Wire

- Durability and performance for aggressive off-road riding and long-distance cycling

Boost your cycling experience with the WTB Nano 40 Tire - engineered for riders who demand durability, speed, and reliable performance on every ride.

  • Durable durable casing with a wire bead construction featuring high-quality DNA rubber compound (60a) for enhanced longevity and reliability on challenging routes.
  • Optimized performance featuring an elevated centerline for effortless rolling on hard surfaces combined with micro knobby edges that deliver trusted lateral traction and predictable grip during technical descents or tight turns.
  • Advanced components & technology utilizing a 30 TPI casing and a voluminous 700x40mm size designed specifically for gravel and mountain bike adventures, providing a smooth yet confident ride over varied terrain.
  • Versatile style & use case perfect for long-distance racing like Tour Divide, or aggressive off-road riding, with a sleek black finish and reflective sidewall details that increase visibility and safety during dawn, dusk, or low-light conditions.
  • Innovative features include a low rolling resistance profile, rounded tread for better contact patch, and flat protection along the tread and sidewall, making this tire an ideal choice for grueling off-road journeys and competitive endurance cycling.
Item Specifications
Flat ProtectionTread and Sidewall
TPI30
ColorBlack
Weight550
Defined ColorBlack
ISO Width (mm)40
ISO Diameter622 / Road / 29"
Tire Intended UseGravel
Tire Diameter700c
Tire BeadWire
Labeled Size700 x 40
Tire TypeClincher
Size700x40
Tread/SWBk/Blk
Durometer62a
StyleStandard
Reflective SidewallNo
FeaturesCOMP
ISO622

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.



TR1753 .

Company Details

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

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