700c, 27-Inch & 650c

Bontrager's R4 Aero Tire is all about making you faster and more efficient. Its 220tpi casing creates less drag and provides a supple road feel you'll love, while the tread minimizes rolling resistance and grips great in the corners. The R4 Aero also features integrated flat-tire protection. Plus, this amazing tire has Bontrager's unique aero wing design that saves you energy mile after mile. In fact, it has been tested to save over three minutes in the bike leg of the Ironman Triathlon! No wonder Keith Bontrager himself calls the R4, "the World's Fastest Tire."

For the roads less traveled A fast-rolling gravel tire that offers consistent traction. The GR1 Comp gravel tire's lightly-treaded design makes for a fast-rolling tire that still offers consistent traction on rougher, gravel-covered roads and paths. - Excels in fast and firm conditions - Fast-rolling and predictable cornering - 60 TPI - Wire bead - Clincher

Confidence at speed The cobbles of Paris-Roubaix were the inspiration for the R4 Classics tire. Confident traction and a fast-rolling yet grippy tread give this handmade road tire uncompromising performance and road feel, and Hard-Case Lite with polyamide synthetic fiber reinforcement adds puncture protection and durability. A hand-built road tire with a supple, lightly treaded design that offers uncompromising speed, traction, and confidence. - Fast-rolling road race tire for when traction and confidence matter most - High grip tread and compound performs in wet and dry conditions - Super supple polyamide synthetic fiber reinforcement provides added casing strength - Hard-Case Lite protects against punctures with lightweight, sub-tread material - Super supple 320TPI casing rolls fast with great ride feel - Clincher tire made using the same handmade process as tubulars to maintain suppleness and ride quality - Chamfer reinforcement layer adds protection at tire's sidewall right up to the tire bead

For the roads less traveled The GR1 Team Issue gravel tire is designed for fast rolling performance and consistent traction on the roads less paved. It has proven success at the most demanding gravel races and features Inner Strength Casing for lightweight puncture protection while maintaining a smooth, supple, fast feel. Plus, you can go tubeless for better performance and even more puncture protection. - A gravel tire that excels in fast and firm conditions - Fast-rolling and predictable cornering with consistent traction - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Supple and strong Inner Strength casing provides lightweight sidewall protection - Lightweight 120 TPI casing provides great ride feel and tire performance

Eliminate obstacles and leave worry in your wake. The LT2 Comp Hard-Case Lite is an all-condition, light trail specialty tire designed to be fast rolling on pavement and trails without worry about rocks or debris causing flats. Hard-Case Lite puncture protection provides a light weight barrier against flats while the fast rolling tread provides durable traction for path and trail. Key features - Excels on gravel and rough roads - Hard-Case Lite offers lightweight puncture protection - Open tread design for trail and path use

For the hybrid, 29er, or cyclocross rider seeking an economical, mixed-use tire that delivers off-road prowess with on-road manners, look no further than Bontrager's Connection tire. Aggressive knobbies grip the loose stuff while a connected center ridge rolls smoothly.

The LT2 Expert Hard-Case Lite is an all-condition, light trail specialty tire designed for fast rolling confidence on pavement and trails without worry about rocks or debris causing flats. - Excels on gravel and rough roads - Hard-Case Lite offers lightweight puncture protection - Versatile tread design excels on gravel roads and dirt paths - 60 TPI - Maximum pressure: 80psi - ETRTO: 38-622 - Weight: 485g

A fast-rolling TLR cyclocross tire built to perform in hard, dry conditions. The CX course won't know what hit it Kiss pinch flats goodbye with the tubeless ready CX0. Run lower pressures and get traction performance that goes head-to-head with tubular tires for a fraction of the cost. Product details - Excels in dry and sandy conditions - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Hard-Case Lite protects against punctures with superior, lightweight, sub-tread material Specifications - TPI: 120 TPI - Durometer: 50a - Type: Tubeless Ready (TLR)/Clincher - Max pressure: 100psi - ETRTO: 33-622 - Puncture protection: Hard-Case Lite - Studdable: No - Weight: 395g