forkie Posted April 1, 2019 Share i have a cyclocross bike which i am wanting to use on the gravel around our farm. the roads are very sandy and corrugated and so the 38 mm cyclocross tyres are just not fat enough. i need nice fat mtb tyres. i tried putting 29er tyres onto my current 700 wheels. It worked ok in front, but the back wheel did not work out - not enough space. So I now I need to try and fit some 27.5 wheels onto the bike. The problem is that the front wheel runs a 15mm axle and there are not many ( affordable) 27.5 wheels with 15mm axles out there. So my question Can I run a 29er in front and a 27.5 at the back? in my head it makes sense because the front will have extra rolling momentium over rocks etc while you will get a bit more drive out of the back - like a MX motorbike. gummibear 1 Link to comment Share on other sites More sharing options...
Long Wheel Base Posted April 1, 2019 Share Something like this. Link to comment Share on other sites More sharing options...
dave303e Posted April 1, 2019 Share do you want to break the internet? Link to comment Share on other sites More sharing options...
T-Bob Posted April 1, 2019 Share i have a cyclocross bike which i am wanting to use on the gravel around our farm. the roads are very sandy and corrugated and so the 38 mm cyclocross tyres are just not fat enough. i need nice fat mtb tyres. i tried putting 29er tyres onto my current 700 wheels. It worked ok in front, but the back wheel did not work out - not enough space. So I now I need to try and fit some 27.5 wheels onto the bike. The problem is that the front wheel runs a 15mm axle and there are not many ( affordable) 27.5 wheels with 15mm axles out there. So my question Can I run a 29er in front and a 27.5 at the back? in my head it makes sense because the front will have extra rolling momentium over rocks etc while you will get a bit more drive out of the back - like a MX motorbike. It's all the rage... it's the new 'must have' in the industry just check the new YT ebike. Tatt 1 Link to comment Share on other sites More sharing options...
DieselnDust Posted April 1, 2019 Share Your problem is the cyclocross bike rear chain stays are too close together near the bb which won’t allow a fat tyre. You at get a 2.0 MTB tyre inthere in 27.5 but it depends on the bike so you need to supply more information for adequate responses Link to comment Share on other sites More sharing options...
gummibear Posted April 1, 2019 Share Think a 32er on the front and 29er on the rear will be a gentler ride with more power transfer T-Bob 1 Link to comment Share on other sites More sharing options...
DieselnDust Posted April 1, 2019 Share Think a 32er on the front and 29er on the rear will be a gentler ride with more power transfer Is it friday already??! Link to comment Share on other sites More sharing options...
gummibear Posted April 1, 2019 Share Is it friday already??!It is Monday 1st April JohanDiv 1 Link to comment Share on other sites More sharing options...
MORNE Posted April 1, 2019 Share Think a 32er on the front and 29er on the rear will be a gentler ride with more power transfer wheres the lie though? a 29x3" front will get you close to that lol gummibear 1 Link to comment Share on other sites More sharing options...
Traveler Posted April 1, 2019 Share Riding uphill all the time? coppi 1 Link to comment Share on other sites More sharing options...
s14phoenix Posted April 1, 2019 Share rather fit a 27.5+ front and 29er 2.4 rear. Link to comment Share on other sites More sharing options...
forkie Posted April 1, 2019 Share Riding uphill all the time? i will lower my handle bar then i will be going downhill again Traveler 1 Link to comment Share on other sites More sharing options...
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