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08-07-14 | 10:46 AM

#5

Bill Kapaun

Really Old Senior Member

Joined: Feb 2007

Posts: 14,642

Likes: 1,887

From: Mid Willamette Valley, Orygun

Bikes: 87 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds. 2019 Giant Explore E+3

Measure the external width of the rim in the bead area.
Stay a couple mm wider than that.

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