Running super wide or mtb tyres on a gravel bike seems to be one of the best upgrades you can make to a gravel bike in 2025 so we thought we'd copy the gravel racing pros and see if mountain bike tyres on a gravel bike actually makes it better... In the video Jamie tries out 2.2" (55mm) mtb tyres on his gravel bike - a Lauf Seigla to decide whether they're better than his usual 45mm gravel tyres. Which are the best gravel bike tyres and what are the best width gravel bike tyres? Jamie from Cycling Weekly thinks a 50mm tyre is perfect for most gravel cycling here in the UK. Let us know what size gravel bike tyres and the best gravel bike upgrades you've made in the comments below... We may earn a commission when purchasing through affiliate links in this description. Subscribe to Cycling Weekly here: https://www.youtube.com/user/CyclingWeekly1?sub_confirmation=1 More at: Cycling Weekly: http://www.cyclingweekly.com Facebook: https://www.facebook.com/CyclingWeekly Instagram: https://instagram.com/cyclingweeklymagazine Twitter: http://twitter.com/cyclingweekly Email: cycling@futurenet.com #cycling #bikes #bicycles