[Mindless]

Any recommendation - which 120mm fixed hub will be worthy to build a light wheel that I can run off-road? And while we are at making recommendations - what is your favorite rim? I would prefer 32 spokes, and I weight 200+ lb, and beeing an MTB'er first, I do not hesitate to ride in the rough.

Building a cyclocross fixie for myself. :)

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[shiftlessbast-]

I would recommend that you look at Surly, for a few reasons. It is a sturdy, solid-flange hub, as opposed to several other brands that have lightening holes drilled/cut out of the flange for that 3 gram advantage in the velodrome. In the strength-to-weight continuum, you probably want to lean toward strength for off-roading. And Surly designs a lot of their stuff for rough riding, whether it's on or off the pavement. Third is price. Fourth is you can replace the cartidge bearing when it wears out. All that and 120mm.

You'll have to post pics of your bike when you get it finished. Post them in the fixed/singlespeed forum too. I have a track bike, and an old touring bike built up as a 'cross, and have often wondered what I would get if I bred them.

[baxtefer]

PM Russell Jobs.
I'm pretty sure he runs the formula hubs that his store, bensbike (on ebay) sells.

[andygates]

Mindless, I'm going the other way, 'crossing up a track fix. The System EX track hub (£30, flipflop, 120mm, 32 spoke) is working for me so far - built 2-cross on Open Pro and Hutchinson Golds. Dunno about long-term durability but it's cheap, cheerful, runs smooth adn can take my 230-lb arse tooling around on it so far.

[peligro]

Any recommendation - which 120mm fixed hub will be worthy to build a light wheel that I can run off-road? And while we are at making recommendations - what is your favorite rim? I would prefer 32 spokes, and I weight 200+ lb, and beeing an MTB'er first, I do not hesitate to ride in the rough.

Building a cyclocross fixie for myself. :)

Whatever you get, make sure it has sealed bearings. True track hubs (Miche, Suzue, etc.) are made for clean environments and low rolling resistance, and the bearing shields are constructed accordingly. Maybe Surly or Phil???

[scrublover]

Surly.

Accept no substitutes.

At least for offroading/burly/cheap/sealed/functional/simple good compromise hubs.

Now, if money is no object, go for some swanky Phil Wood hubs.

[Shorty]

A track hub will fall apart, sorry, but its true.

[riderx]

Hub: Level (http://www.levelcomponents.com/) or Surly
Rim: Sun CR18 - tough and reasonably priced

I always run the CR18 in the rear on my fixed gear psycho-cross. And I've used both the Level and the Surly. Both can take a beating.

One thing: if you are 200+, an MTBer at heart and wanting to take this off road, what are you looking to build a light wheel for? Trust me, fixed off-road can be harsh on your rear wheel. Many times you need the brute force attack to get over obstacles since you don't have the luxery of setting up the pedals.

[Shorty]

Look at for prices and possiblities: http://www.sheldonbrown.com/harris/singlespeed.html#surly

Sheldon's gaggle of websites are very helpful on this and many other topics.

[2manybikes]

Good point guys!!!

As already mentioned, Track specific hubs, are designed for low rolling resistance and not for good weather sealing. They can be very different. Before you buy check the details. I think there may be some road/fixed hubs that are weather sealed well. Check first