Diameter of the 23 tooth is 4.0in/101.6mm

Elite Power Idler 23 tooth
	Quantity in Basket: none Code: idlarge Price: $85.00 Shipping Weight: 0.70 pounds
	Choose your Bearing size: 8mm 10mm (ABEC Bearings) 12mm (ABEC Bearings) Choose your Cog Type: Aluminum comes with ABEC bearings Titanium comes with Ceramic Bearings (Adds $31.00 to base price)
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This is our Terracycle Elite Idler built in the custom size of 23 tooth to fit many applications where a larger idler is required for correct chain routing. We make this idler with Aluminum or Titanium cog and with Ceramic (8mm only) or ABEC 7 bearings