Here are a couple of pictures of an NOS timer cable clamp. The 3/8" hole starts .078" from the front edge of the clamp. .112" in from both sides. There is about a 3/16" area between the hole and where it starts to bend for the loop. The overall width of the clamp is .627". Also pictured is the neck spring clip # 9977 and down tube spring clip. Three down tube spring clips are used. One on the right front down tube, one on the left front down tube and one on the left rear down tube.
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Timer Cable Clamp (a).jpg (38.26 KiB) Viewed 7870 times
Timer Cable Clamp.jpg (43.65 KiB) Viewed 7870 times