Description
– Anti chain-suck device
– Allows the front derailleur to be adjusted for strong downshifts
– If not using front derailleur the device can act as a chain guide
Part Numbers
| Option | UPC | MPN |
|---|---|---|
| 28.6mm | 072774162291 | 16229 |
| 31.8mm | 072774162307 | 16230 |
| 34.9mm | 072774162314 | 16231 |
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