TSDZ8 narrow wide chainring 38T 40T 42T 44T 130BCD
The chainrings have been machined to work with our TSDZ8 130BCD adapter. The bolt holes are machined. This modification allows for the chainring nuts to go deeper into the bolt holes. The original chainring bolts can be too long when used without the chainring cover. Spacers or shorter bolts are required in that case.
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