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*to the original owner against structural defects in material or workmanship on ALL models of Specialized-branded frames and forks.

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Gravel Tire Guide

How to Choose the Right Tire for Your Ride

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February 2, 2026

by Specialized

Your tire choice can completely transform your ride. That’s why we have been obsessed with tires since 1974. Did you know, our first product ever, was a tire? The Specialized Touring Tire launched in 1976. From the feel of the road (or trail) to how fast and confident you roll, gravel bike tires are key to your performance. 

Before diving into tread and pressure, there’s one crucial detail: **your bike’s tire clearance—**you can’t run big tires without room for them. That’s why we gave the all-new Diverge 4 clearance for up to 2.2" tires—plenty of space to go wide when the terrain demands comfort and traction, or run narrower rubber for speed on hardpack. Bottom line? More clearance = more options

This guide will help you understand how tire volume, tread pattern, and tire pressure impact your ride—and how to pick the perfect gravel tire for your terrain. Then we’ll break down three standout Specialized tires designed for everything from hardpack to rowdy trail.

Tire Volume and Tread: What They Do and Why They Matter

1. Tire Volume (Width & Air Volume):

Wider tires (40mm–50mm) offer more air volume, which gives you more comfort and control over rough surfaces. More volume also means more grip at lower pressures. Narrower tires (30mm–35mm) roll faster on smoother gravel and pavement but offer less cushion on chunky roads.

2. Tread Pattern:

  • Minimal Tread (slick center, small knobs): Fast rolling on pavement and smooth gravel.
  • Moderate Tread (larger center knobs, side lugs): All-around performance on mixed terrain.
  • Aggressive Tread (deep knobs, wide spacing): Maximum traction on loose, muddy, or technical terrain.

Pick Tires Based on Your Terrain

Meet the Specialized Gravel Tire Lineup