Joined: Feb 2012
Posts: 19,290
Likes: 5,383
From: Rochester, NY
Bikes: Stewart S&S coupled sport tourer, Stewart Sunday light, Stewart Commuting, Stewart Touring, Co Motion Tandem, Stewart 3-Spd, Stewart Track, Fuji Finest, Mongoose Tomac ATB, GT Bravado ATB, JCP Folder, Stewart 650B ATB
Many IGHs have two (or more) sets of pawls and ratchet teeth for driving the shell in different gears. One of the pawl rings is ratcheting over the teeth when the other ring is engaged. Hence the ticks. Andy
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AndrewRStewart