I’m back from the GDR…=-)

3 07 2009
splish-splash!

splish-splash!

Surly Pugsleys rock for dirt tours...=-)

Surly Pugsleys rock for dirt tours...=-)


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5 responses

3 07 2009
jamesmallon

That’s an internal hub, eh? How do you find that for loaded climbs? I figure I can build my 29er with an Alfine hub: 26″ to 81″. Low enough? Regular gearing seems to start at 18″, and go much higher than I need. Can’t imagine I am going to miss the 8″ between 18″ and 26″, and there is no way to get the Alfine much lower unless I was going to sacrifice the whole top end.

4 07 2009
thelazyrando

My Pug is essentially a 29er with a 21T cog at the back on the Alfine and a 32T chainring upfront. That ratio has worked for riding in snow, sand, MTBing and now dirt road touring.

I haven’t worked out what the gear inches on my Pug are, but it seems pretty much ideal.

I did walk some climbs on this past tour, but the person who was walking was usually as fast or faster than the person still riding so I’m not sure a lower gear really would be that useful.

5 07 2009
coastkid

looks like an awsome ride vik!,your pug looks good loaded up too!

5 07 2009
jamesmallon

Thanks for the response. Without knowing the exact dimensions of the Pug’s tire, and plugging it into Sheldon Brown’s gear inch calculator, that comes out to about 23.4″ to 71.7″. Probably very good for the big Pug tires on the stuff you mention riding. Funny how ratios work: if I go 9.3″ higher in the top gear, I only go 2.5″ higher in the lowest. Probably right for a casual-roadie going to a 29er.

5 07 2009
thelazyrando

The rear cog is 21T and the front chainring is 32T with a wheel that measures 28.75″ in diameter. For a ~44″ gear. With the the Shimano Alfine IGH that then equals approximately a gear range of 23″ – 71″.

I’ll be touring in the mtns on a Bike Friday NWT with 20″ wheels and an Alfine at the end of the month. I figure eight is enough there as well. I’ll let you know what I think when I get back.

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