Spanish BBs are the shit.
I get a lot of e-mails from people asking questions about MacNeil products. I’ve been seeing this question a lot lately and I think it’s a good one.
The question is, “When most other brands frames are using the mid BB why is MacNeil still sticking with Spanish BBs?”
Here is my answer. This is just my common sense look at the bottom brackets and why I think that the Spanish BB is the best choice for our frames.
The Mid is an American BB without the aluminum cups. As I see it, this is a minimal change and has no great advantage over the old school American BB which was developed in the 70’s BMX for 1 pcs cranks.
The advantage of the Spanish over the Mid is a lot clearer. The Spanish shell is smaller than the Mid which reduces the weight of the shell itself, more weight saving comes from the bearings as you can see by the photos. The bearings are narrower, the inside race is much thinner, add these things to the smaller diameter of the shell and the weight savings really start to add up. Even the bearing cover/spacers are a little lighter due to the reduced OD. In total the weight savings is about 100 grams or nearly a quarter of a pound. And before anyone says it, no I didn’t take into account the less than 2mm longer that would need to be added to the frame tubes to reach the smaller shell but that’s really minimal.
Besides the substantial weight savings, I think it looks way better. With all of the frame tubing diameters getting smaller in the last couple of years the Mid BB looks a little big and bulky. When the Mid and Spanish first battled it out for BB supremacy the frame tubes were a lot bigger in diameter. At that point in time almost every frame used a 22.2mm (7/8”) chain and seat stays, down tubes were all in the neighborhood of 42mm, so the Mid didn’t look out of place back then, but as the tubes have gotten smaller (seat and chain stays are 19mm or less) on the current frames the Spanish B.B. fits in better.
About 100gr saving that doesn’t sacrifice performance or cost any more money, while being more consistent with the reduced tube sizes used on current frame ….. makes sense to me. I’m not trying to tell you what to run…just laying out facts and letting you known why I’ve made the choice that I have on the MacNeil frames. Just something to think about if you’re looking at a getting a new frame.
-Darcy Saccucci
Spanish Bearing and Shell – 191g
Mid Bearing and Shell – 289g
Difference = 98g
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- Spanish bearings on the left, Mid on the right.
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- Bearings, top view.
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- Mid set up.
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- Spanish set up.
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- Mid bearings – 123g if you have trouble with digital scales.
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- Spanish bearings- just right.
you have to be a total trend whore cunt to care about saving weight on bottom bracket bearings i mean, COME ON
how do those extra wide primo spanish bb’s compare to mid bb’s? all the super hard riders could use those while the rest of us save wieght with spanish… or something, idk, your all gay
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