Mounted in place of a front derailleur, the Chain Keeper works with single and 1x_ multi speed drivetrains using a narrow chain. The chain block surrounds the chain as it meets the chainring and prevents it from skipping off. Accommodates a range of chain line measurements and chainring sizesNot designed for downhill/freeride/big hit useItem SpecificationsFront Derailleur Clamp35.0mm (1-3/8")
Trustpilot
3 days ago
2 weeks ago
