Rennen Decimal Chainring
This is the Rennen Decimal Chainring in 4-bolt 104bcd or 5bolt 110bcd. 104-bolt pattern chainrings are 5-millimeters thick, available in the decimal sizes shown in the options. They’re compatible with 3/32” and 1/8” chains. Chainring bolt holes are threaded so you do not need the rear part of your chainring bolts. These are only made in color Black.
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