Seat Post Clamp Sizing

Determine your post size, then click on the size desired to continue to ordering page.

FRACTIONAL INCHES DECIMAL INCHES MILLIMETERS 1-1/8" 1.125" +/-.010 28.6 mm +/-.2 1-5/32" 1.162" +/-.010 29.5 mm +/-.2 1-3/16" 1.181" +/-.010 30.0 mm +/-.2 1-1/4" 1.250" +/-.010 31.8 mm +/-.2 1-5/16" 1.300" +/-.010 33.0 mm +/-.2 1-3/8" 1.375" +/-.010 35.0 mm +/-.2 1-1/2" 1.500" +/-.010 38.1 mm+/-.2 1-5/8" 1.625" +/-.010 41.3 mm +/-.2

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