Gear calculations

[OakLeaf]

For some reason you have the numbers reversed from their usual configuration for the Gunnar but not for the Surly. Compare low gear to low gear and you'll see your mistake.

[Catrin]

For some reason you have the numbers reversed from their usual configuration for the Gunnar but not for the Surly. Compare low gear to low gear and you'll see your mistake.

That was what was confusing me I got the numbers, in that order, for the crank from my parts-order list from my LBS and I wasn't sure which order was correct since they were opposite each other in how they were list (website for one, purchase order for the other)... I am so new to looking at the gear calculator that I wasn't sure if the big chainring was listed first or the smallest.

Now it makes sense - the gear inches for the SRAM drive- train is now 16.8 gear inches, smaller than the LHT as it should be.

IndySteel, that was a typo on my original post, thanks for pointing that out. I am just trying to figure out how to use the gear calculator and to have sort of an idea what I am looking at.

[indysteel]

Just remember that the numbers refer to the number of teeth. So it logically follows that the biggest number refers to the biggest chainring, and vice versa.

And further remember that the bigger the number of teeth in a rear cog, the easier the gear.

[Catrin]

Just remember that the numbers refer to the number of teeth. So it logically follows that the biggest number refers to the biggest chainring, and vice versa.

And further remember that the bigger the number of teeth in a rear cog, the easier the gear.

Got it, and after playing with the gear calculator it actually helps - thanks!