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Aluminium Links
Internal taper increases strength and durability without adding weight
Material: Alloy B-knuckle
Maximum speed: 0
Shimano Ultegra 6800 11-spd Chainrings bulky Aluminium LinksFor use with Shimano Ultegra FC 6800 11spd Double Chain set. Can also use the 39T Inner Chainring from the Shimano Dura Ace FC 9000, this is a "B" match which indicates that the parts are usable, but differ in materials, appearance, finish & size etc. Features Material: Aluminum Teeth: 34t, 36t, 39t, 50t, 52t, 53t Bolt Pattern: 4 Bolt Chainring BCD: 110mm Chain Compatibility: 11 speed double About Shimano Established in Japan in 1921, Shimano is the