Facebook Twitter LinkedIn Pinterest Bluesky Threads I need to replace the chainrings because the chain slipped several times while riding due to heavy wear. However, I have not been able to find similar ones. Perhaps someone of you knows where to find them. by th_fr_98 Bicycling Bike Bike Repair Biking Cycling Repair
simplejackbikes on September 9, 2024 3:13 pm You have vintage chainrings. Probably easier to find a replacement crankset. Those bolts are not the standard size.
ScootMaBoot on September 9, 2024 3:38 pm https://www.sheldonbrown.com/cribsheet-bcd.html#five That can help you identify the BCD, but you probably won’t be able to find new parts.
RECAR77 on September 9, 2024 5:09 pm looks like a [Silstar](https://velobase.com/ViewComponent.aspx?ID=79B805C9-EE79-47B1-A8CD-5CB669CE950B&Enum=115&AbsPos=2) design.
4 Comments
You have vintage chainrings. Probably easier to find a replacement crankset. Those bolts are not the standard size.
https://www.sheldonbrown.com/cribsheet-bcd.html#five
That can help you identify the BCD, but you probably won’t be able to find new parts.
Were those chainrings riveted to the crank spider?
looks like a [Silstar](https://velobase.com/ViewComponent.aspx?ID=79B805C9-EE79-47B1-A8CD-5CB669CE950B&Enum=115&AbsPos=2) design.