X
1.800.651.4050 Mon-Sat 8am-5pm PT
FREE SHIPPING ON ORDERS OVER $50More info
JOIN OUR EMAIL LIST
WISH
0
AVOID SHIPPING DELAYS & SHORTAGES THIS HOLIDAY SEASON - SHOP NOW!
Serfas STX Inertia 700c Road Tire
Serfas STX Inertia 700c Road Tire Serfas STX Inertia 700c Road Tire
Click to zoom
Serfas STX Inertia 700c Road Tire
Serfas STX Inertia 700c Road Tire Serfas STX Inertia 700c Road Tire

Serfas
STX Inertia 700c Road Tire

Mfg PartNum:
  (3 customer reviews)
Price
Reduced
Purchase this popular item
today and save $18.00
420
POINTS
Earn $4.20 in Rewards credit. Click to learn more.
This size is not eligible for Rewards points
In Stock Now
Sale
$42.00
Save 30%
MSRP $60.00
Please Confirm Size
This item is currently out of stock. Click Notify Me to receive an email when the item becomes available.
InstantPrice MatchWhat is this?
Free Shipping on Orders Over $50*

Dual Density Tread with Flat Protection

The Serfas® STX Inertia Folding Road Tire features a smooth tread constructed using their high-performance Alchemy Compound for lower rolling resistance and world-class grip.

Comprehensive testing at Wheel Energy® of Finland, an independent tire laboratory, found Serfas® Inertia tires to perform 8.12% better at cornering than their competitor's most comparable best-selling road bike tire.

Features:

  • Serfas FPS Flat Protection
  • Dual Density Tread Compound
  • 120 TPI 3-Layer Casing
  • Low Rolling Resistance Alchemy Compound w/ World Class Grip
  • Smooth Tread Pattern For Ultimate Performance

  • B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

    The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.

     

    Wheel Size: 700C/29" (ISO 622) 

     

    Tire Type: Clincher-Folding 

     

    Threads Per Inch: 120 

    700 x 23mm - Black

    Weight: 222 grams

    Tire Width: 23mm (0.9in) 

    Mfg PartNum: STX-23 

    700 x 25mm - Black

    Weight: 242 grams

    Tire Width: 25mm (1.0in) 

    Mfg PartNum: STX-25 

    700 x 28mm - Black

    Weight: 312 grams

    Tire Width: 28mm (1.1in) 

    Mfg PartNum: STX-28 

    Ordered by Most Relevant First
    5 stars
    4 stars
    3 stars
    2 stars
    1 stars
    (1)
    (2)
    (0)
    (0)
    (0)
    (33%)
    (67%)
    (0%)
    (0%)
    (0%)
    Good tire/Good Price
    rating
    by Simon Wood Writer
    Cycling Enthusiast
    1 of 1 customers found this review helpful.

    This is a good mid range tire at a good price. I couldn't ask for more.

    Reviewed 7/29/2021
    Was this review useful to you? Yes/No
    Thank you for your feedback.
    Easy on, but not puncture resistant
    rating
    by dpk
    Cycling Enthusiast
    Portland, OR
    3 of 3 customers found this review helpful.

    I've put about 1,000 miles on it and while it's been a solid performer I would say it is prone to punctures. I've had several with very small metal wire that I would have assumed would not penetrate the rubber.

    Reviewed 8/2/2021
    Was this review useful to you? Yes/No
    Thank you for your feedback.
    I have always been a fan of Vredestein tires because of how well they feel in high speed cornering. The Inertia tires have a very similar feel. The transition into the lean feels very smooth and the g
    rating
    Cycling Enthusiast
    Bend, OR
    2 of 4 customers found this review helpful.

    see summary

    Reviewed 8/2/2021
    Was this review useful to you? Yes/No
    Thank you for your feedback.

    Articles will open in new tab.

    A short primer on emergency bicycle tire repair.
    Make your upgrades count. Here's the equipment that will help you ride your bike faster.
    Selecting the proper tires for vintage bicycles.
    The different types of road bicycle tires and how to select what is best for you.
    A how-to guide to removing and installing tires, plus some useful tire tips.
    Find your tire size in this exhaustive chart.
    Know your tire size. This article provides a summary of the common, and not so common, bicycle tire sizes.
    Tire Tips   
    Keep on rolling safely with these tire tips and recommendations.
    Tubular, clincher, tubeless? Wire bead or Kevlar bead? Application? Find answers here.
    The tube run-down: valves, weights, valve stems, sizing, and more.