Transfil trade pack 4mm gear ferrulea great option for servicing multiple bikes in preparation for an event or for simply stocking up for your home workshop, this trade pack is equipped with 100 high grade alloy 4mm gear ferrules for excellent strength and durability on your ride. Developed for maintaining your gearing set up, this pack is designed to fit 4mm outer gear casing for smooth performance. Transfil has also equipped these with a hard anodised finish, which offers additional protection against corrosion so you can enjoy reliable gear operation in all weather conditions without worrying about the elements. One final highlight is this pack is available in a range of colour options to choose from, so you can add some extra style to your ride.features material high grade alloy finish hard anodised with various colour options to choose from compatibility to fit 4mm outer gear casing ferrule size 4mm number of ferrules 100 packmanufacturer's part numbers kg66s silver l 100 pack kg66g gold l 100 pack kg66k black l 100 pack kg66r red l 100 packbuy transfil components from chain reaction cycles, the world's largest online bike store.