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Our Silver Series line of Shimano 110/4 bcd oval chainrings are designed for new types of Shimano cranks such as Dura-Ace 9000, Ultegra 6800, 105-5800 and others. This is a simplified version of our Premium line. Same aluminum, teeth and shift ramps, but less machined material on the outside side for easier maintenance and cleaning.
SPECIFICATIONS
Weight: 34T (40g), 36T (44g), 50T (156g), 52T (168g) Color: Gray Compatibility: Shimano Dura-Ace 9000, Ultegra 6800, Shimano 105 5800, Tiagra 4700. Compatible with Di2 & Pioneer, SRM and other power meters Material: CNC Machined Aluminum 7075 Txxx. Type II anodizing. Oval: 34T- 6.5%; 36T- 11.4%, 50/52 - 10.3%