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- Chainring nut peg-spanner
- Shimano 130-0913 "TL-FC20"
- Use one end of this spanner for installation and removal of chainring bolts
- A useful tool which has two functions, either to prevent the chainring bolt from rotating when tightening it back up, or to remove two holed chainset dust caps without damaging them
- Use the other end for Shimano one-key crank release bolds
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