Upgrading your bike with little details is so nice to do! The AluBoys will lift your bike to a higher level easily. The aluminium derailleur pulleys are super durable and make your chain roll super smooth over the teeth. The ceramic bearings make sure that the pulleys itself will roll super smooth and will last longer. Our most high-end deraulleur pulleys to give the finishing touch to your bike.
High quality aluminium derailleur pulleys with ceramic bearings
Extra stiff for fast shifting
High quality ceramic bearings, extra smooth and durable
