WTB Expanse

It is designed for both. The slick centerline makes it efficient on pavement, while the hatched intermediate tread and outer knobs provide the necessary bite for loose gravel or dirt paths.

Yes, the WTB Expanse is a tubeless-ready clincher. Using it in a tubeless setup is recommended to reduce the risk of flats and allow you to run lower tire pressures for better comfort and traction.

The 34mm width offers a balance between speed and stability. While it is narrower than some dedicated gravel tires, the high-volume, supple casing helps absorb road vibrations and provides a smoother ride on mixed surfaces.

This tire is ideal for riders who frequently transition between paved roads and gravel sections. It is perfect for long-distance mixed-surface adventures where you want to maintain speed on the flats without sacrificing control on unpredictable terrain.

You should check your frame's tire clearance first. While 34mm is standard for many modern endurance road and gravel bikes, older road frames may not have enough clearance for a tire of this width.