road bikes disk brakes image
William
I have a 2013 Trek Marlin. It's a 29er, the frame is 17.5", has disc brakes, and for the most part is stock. I am in college and would like to commute to class on my bike. Unfortunately, my Bontrager tires are extremely inefficient for road use and it takes a lot more effort to go my 3-5 miles a day. Would it be possible for me to interchange road bike wheels and tires on the Marlin in order to increase road riding efficiency while still being able to switch back to mountain bike tires when I go offroad? I'm not interested in racing my Marlin in road races; so, I don't need reminding about the difference of mechanics in road bikes and mountain bikes. I'm only looking for increasing efficiency without having to store two different bicycles.
Thanks.
Answer
You could install a set of road tires on the wheels you have now. 29" is a marketing term for 700c the size wheel found on a road bike. Depending on the width of your rim you could probably install a 700 x 32 or 700 x 35 tire on your wheels. You would probably also need smaller inner tubes. You could buy a complete set of wheels, but you would also need to buy disc compatible wheels, disc rotors, cassette and rim tape along with the tires and tubes. This could be quite expensive. Don't make the mistake of buying too narrow a tire, for commuting a tire in the 32 to 38mm width range works much better than a skinny road tire. There is almost no difference in rolling resistance with a wider tire and the ride will be much smoother on bad roads
You could install a set of road tires on the wheels you have now. 29" is a marketing term for 700c the size wheel found on a road bike. Depending on the width of your rim you could probably install a 700 x 32 or 700 x 35 tire on your wheels. You would probably also need smaller inner tubes. You could buy a complete set of wheels, but you would also need to buy disc compatible wheels, disc rotors, cassette and rim tape along with the tires and tubes. This could be quite expensive. Don't make the mistake of buying too narrow a tire, for commuting a tire in the 32 to 38mm width range works much better than a skinny road tire. There is almost no difference in rolling resistance with a wider tire and the ride will be much smoother on bad roads
Can a 29er be made into a decent road bike?
Radman
I want just one bike for both mountain and road. I hear 29ers make decent mountain bikes. I'm thinking of a high-end 29er with disk brakes and at least front suspension. I don't like modern road bikes with the drop bars, 25c (skinny) tires, side-pull brakes, and non-suspension.
Answer
Any bike that you try to do many things with will involve compromise. A nice 29'er will work fine on the road with proper tires. I own a cyclocross bike and a SS 29'er disc and routinely ride 20-miles jaunts around town on the SS, but definitely used the 'cross bike for longer rides, where I run 700x32 tires that work great. I personally think front suspension is nothing but added weight, cost, and maintenance. I ride my rigid 29'er all over and with the bigger volume of air in the tires, you already have a lot of built in suspension.
Any bike that you try to do many things with will involve compromise. A nice 29'er will work fine on the road with proper tires. I own a cyclocross bike and a SS 29'er disc and routinely ride 20-miles jaunts around town on the SS, but definitely used the 'cross bike for longer rides, where I run 700x32 tires that work great. I personally think front suspension is nothing but added weight, cost, and maintenance. I ride my rigid 29'er all over and with the bigger volume of air in the tires, you already have a lot of built in suspension.
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