Parts & Accessories
1664's 48 Spline Chromoly Spindle is an excellent replacement for 1664, Eastern 720, Profile, Macneil, and virtually every other 48 Spline cranks.
1664's Deez Bolts are flush mount chromoly crank bolts that are 3/8 inch x 24tpi. Deez Bolts can be used with many crank spindles that use a 3/8 inch x 24tpi bolt, which is common on 19mm x 48 spline spindles.
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