High rollers

Could bigger wheels improve your gravel riding? We test some oversized 750d rims to find out

Liam Cahill

A new, bigger wheel size has been introduced, called 750d. With brands having largely settled on 700c rims for road and gravel bikes, except for a few exceptions using smaller 650b wheels, why do we need this new standard? I set out to analyse the theory behind it and find out how these new wheels ride. The theory When 29-inch wheels (700c rims with bigger tyres fitted) entered the world of mountain bikes, the internet melted. Although they promised more speed and better rolling over roots and rocks than traditional 26in MTB wheels, many riders decided they hated them before they’d even tried them – as with most new standards in the cycling world. Eventually though, the benefits became clear, 29ers were widely adopted – first by the Lycra-clad cross-country…

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Cycling Plus (Digital) - 1 Issue, May 2025

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