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An EGGring 'Tripleizer' Chainring converts a double crank to take 3 chainrings. It is fitted to the crank's inner position in the usual manner, and provides an extra set of bolt holes to attach a third, smaller chainring.
Unless you instuct me otherwise, it will be drilled to take one the following standard inner chainrings:
- If your crank has 4 arms: pcd 64mm (smallest inner ring = 21t)
- If your crank has 5 arms: pcd 74mm (smallest inner ring = 24t) [ alternative: 58mm (smallest inner ring = 20t) ]
Tripleizer Chainrings are made to order and are supplied with the extra chainring bolts required to fit your 3rd chainring. Cutouts may or may not be possible, so you must be flexible about this. Please order your new 3rd chainring separately, or buy a standard one from a cycle shop.
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