Description
The first version of the Shimano 105 SC outer chainring before they went to 8 speed indexed, this is a 52 tooth, 130 BCD outer ring for narrow chains.
- From the 1st iteration of the champagne painted 105 SC chainset FC-1055
- 52 tooth outer chainring
- 130 BCD
- For standard 3/32″ chains to suit 6/7/8 speed drivetrains
- Made in Japan
