Single Speed

Comment

Comment by L Peters on February 22, 2011 at 11:59am

wow, that is sharp!! congrats!

Comment by Mike Wahlin on February 22, 2011 at 11:06am

Just pre-ordered my limited edition All City Zona Nature Boy.  $775 for frame and fork, available in August.  Only 75 will be made.

http://2.bp.blogspot.com/-SFx5XK622EM/TWHkYoy9Z6I/AAAAAAAAF9s/-k-aq...

Comment by L Peters on February 22, 2011 at 8:31am

Pirate...regarding the wider hub comment, not necessarily the case. It really comes down to the strength of the flanges and their width (not getting into axel thickness, etc.). If memory serves, I measured flange width on some of my hubs and the track hubs (at 120mm) had the widest flange width by a margin. I'd think this, along with the symmetrical build, would make for a strong wheel.

 

Note that MTB hubs are wider at 135mm, but often make room for a disc on one side and cassette on the other, so flange width is often pretty narrow.

 

There's a lot to consider with this, looking at spoke options and configurations, etc. Hard to have a solid 'rule,' unless you're comparing apples to apples with regards to wheel builds.

Comment by L Peters on February 22, 2011 at 8:24am

As a general rule, I'd say yes. 130 also allows the use of King SS hubs (most of them, anyway), and possibly the DT Swiss SS hub. I had a SS King hub converted from 135 to 130, which worked out great.

Comment by Pirate Race Productions on February 22, 2011 at 8:16am

120mm is the spacing used on track bikes, 130mm is for road bikes, and 135mm is the most common spacing for mountain bikes. I do not know for certain, but my guess is the majority of off-the-shelf single speed cx frames on the market are 130mm spacing. Some steel 'cross frames are 132.5 so you can cheat and use both road and mtb hubs. I would also guess that, all things being equal, a wheel built on a wider hub would have more lateral strength.

Comment by Mike Wahlin on February 22, 2011 at 8:08am

120mm versus 130mm hub spacing – Is it correct to say that 120mm is SS specific?  That 130mm allows for extra spacing for a geared cassette?  And that the advantage of running 130mm on a SS CX bike is that you can use a regular CX geared wheel with a swapped out cassette for SS?  Hope this question makes sense!

Comment by L Peters on February 16, 2011 at 6:38am

You'll be fine, can't imagine a safety issue. You may need to use a chain tensioner (derailleur, singulator, etc.), but that would be the only real drawback. I'd try a half-link as well, and see if you can make it work without a tensioner. Just be sure your rear wheel is well seated in the drops, and you shouldn't have any problems.

Comment by Matthew Allee on February 16, 2011 at 6:14am

So I came home to a big box on my front door with the used Specialized CX frame I bought in it.  I know there is debate out there over safely running a single speed on frames with dropouts built for geared. What are your experiences and thoughts?

Comment by One Eyed z on February 14, 2011 at 1:00pm

This past CX season I starting doubling up at each event. Masters 35+ on my geared bike and SS on my... well obviously on my single speed. Good times. Although I still feel like I was faster on my SS.

Comment by Mike Wahlin on February 14, 2011 at 10:04am

What does your SS CX training plan look like? and how practical is it to train (especially in the off-season) without the help of a geared bike?

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