Chain Keeper Chain Retention Device Merino A generous aero-formed top section

A generous aero-formed top section provides sleek performance and ergonomic support

this light is housed in an expertly machined aluminum body with cooling fins that are engineered to maximize lumen output efficiency

smooth rolling

more precise and easier to maintain - the strengths of the 180 hub are further enhanced with the new Ratchet EXP technology

Chain Keeper Chain Retention Device Merino A generous aero-formed top sectionMounted 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 sizes Not designed for downhill freeride big hit use