1、External Chamfer: This chain adopts external chamfer design to avoid gear interference of the chain shifting, and the operation is smoother. 2、High Rigidity: Embedded with high strength axes, high rigidity reinforced structure, tight, flexible and not stuck, bearing high treading force. 3、Replacement Parts: This variable speed chain can be used as a repair part to replace the damaged original parts and prolong the life of the bike. 4、Applicable Transmission System: This bike chain is applicable to various 10 speed, 2 x 10 speed and 3 x 10 speed transmission systems. 5、Easy Installation: This bike replacement chain can be installed easily, and is a good choice for light weight matching or long distance riding. Item Type: Bike Chain Material: Alloy Steel Gross Weight: 320g / 11.3oz 1 x Chain 2 x Buckle 1 x Storage Box