Profile Flush Crank Spindle Bolts (Bitchin' Bolts) - 3/8x24tpi 37t flip flop design to use

flip flop design to use 13T - 22T freewheel

Size: 45tColor: Black

It will fit 24mm spindles and can be used with 19mm or 22mm spindles with an adapter (not included)

50 - 4-1/4" (ISO 406mm) inner tube with a standard Schrader valve

They attach to the bike with no tolls needed

Profile Flush Crank Spindle Bolts (Bitchin' Bolts) - 3/8x24tpi 37t flip flop design to useThese genuine Profile spindle bolts are 3 8" x 24tpi, which is the threads used on the Profile solid spindle and many other 48 spline spindles. Includes two (2) crank bolts and (2) flush aluminum washers. Be sure to measure your old bolts before you order. Color: Black