"The Specialized Diverge 4 builds on its own legacy, boldly redefining what a gravel bike can be in 2026" –Our top choice for a gravel bike has up to £800 off in the Tredz Flash Sale

It's been around since 2014, but the latest Diverge has adjustable suspension, internal storage, and huge tyre clearance. Our favourite gravel bike of 2026 is now at some of its lowest ever prices.