To determine the interchange, select your Harmonic model number from the drop down boxes.

Series:	--Select-- CPH CPM CPS CSD CSF CSF mini CSF supermini CSG FB FBB FD FR HDI SHD SHF SHG
Size:	--Select-- 8 11 14 17 20 25 32 40 45 50 58 65 80 90 100
Ratio:	--Select-- 030 050 078 080 100 120 128 131 157 160 200 242 258 260
Model:	--Select-- -0 -0-G -1U -1U-CC -1U-CC-F -1U-F -2 -2A -2A-GR -2A-R -2-G -2-GR -2-R -2SH -2SO -2UF -2UH -2UJ -2UK -2UP -2XH-F -2XH-J
Spline Diameter and Form (If Applicable)	--Select-- A01 A02 A03 A04 A05 B01 B02 B03 B04 B05 C01 C02 C03 C04 C05
Special ID (If Applicable):	--Select-- SP BB LW