diff --git a/src/gateware/cxp_frame_pipeline.py b/src/gateware/cxp_frame_pipeline.py
index 5a20dba..2a1b793 100644
--- a/src/gateware/cxp_frame_pipeline.py
+++ b/src/gateware/cxp_frame_pipeline.py
@@ -401,7 +401,7 @@ class Frame_Header_Decoder(Module):
 
 class Custom_Pixel_Gearbox(Module):
     def __init__(self, size):
-        assert size in [8, 10, 12, 16]
+        assert size in [8, 10, 12, 14, 16]
 
         self.x_size = Signal(3*char_width)
 
@@ -491,6 +491,13 @@ class Custom_Pixel_Gearbox(Module):
                 }
                 # mod 8
                 self.sync += Case(self.x_size[:3], stb_cases)
+            case 14:
+                stb_cases = {
+                  9: extra_stb.eq(1),
+                  13: extra_stb.eq(1),
+                }
+                # mod 16
+                self.sync += Case(self.x_size[:4], stb_cases)
 
 
         # NOTE: 
@@ -589,7 +596,7 @@ class Frame_Deserializer(Module):
         # TODO: fix the edge case where 5 x_size is not working
         # the issue arises when the 4th pixel is sent with eop (e.g. 10bits & x_size = 5,6)
         # eating the rest of the bits
-        self.submodules.gearbox = gearbox = Custom_Pixel_Gearbox(12)
+        self.submodules.gearbox = gearbox = Custom_Pixel_Gearbox(14)
         self.sync += gearbox.x_size.eq(self.x_size),
 
         self.comb += eol_inserter.source.connect(gearbox.sink)
@@ -754,6 +761,8 @@ class Frame_Packet_Router(Module):
 
         for i, d in enumerate(downconns):
             # eop is needed for arbiter and crc checker to work correctly
+            # TODO: move eop inserter inside of broadcaster
+            # TODO: change arbiter to use K27.7 as eop instead
             eop_marker = EOP_Inserter()
             self.submodules += eop_marker
             self.comb += [