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High quality Comas screw-on sprocket. Made of CNC machined 7075-T6 CNC aluminium, tested by Comas trials team Eloi Palau, Sergi Llongueras and Vincent Hermance to ensure high durability and reliability.
Crewkerz splined sprocket, with Shimano HG standard splines. Available in 12T size. Made of super strong steel, and it’s compatible with narrow and wide chains.
