American Bottom Bracket Hop Up Kit Size:American w/19mm Spindle 30" (10" rise)

30" (10" rise)

externally gusseted double butted top tube

beefy 4130 chromoly female axle with alloy cones and 3/8" chromoly bolts

The fork crown is notched for optimum cable routing

the new molded heel counter and internal tongue straps lock in your feet

American Bottom Bracket Hop Up Kit Size:American w/19mm Spindle 30" (10" rise)Perfect for upgrading from 1 piece cranks to 3 piece cranks or for converting your unsealed 3 piece crank setup to a sealed one. Designed specifically to work with 3 piece sealed bearing cranks on frames utilizing an American bottom bracket shell. Includes 2 precision sealed bearings, aluminum cups, high density plastic cone spacers, center tube spacer, sprocket adapter, plenty of adjustment washers, a 19mm 8 spline spindle and 2 spindle bolts.