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AbsoluteBLACK Premium Shimano 110/4 bcd compatible oval chainrings are designed for Shimano Dura-Ace 9000, Ultegra 6800 and 105 5800 cranks. Super fast shifting and incredible pedaling smoothness. It is the most Premium oval chainring on the market with scientifically proven performance gains. Compatible with 10/11 speeds.
SPECIFICATIONS
Weight: 34T (31g), 36T (37g), 38T (41g), 50T (120g), 52T (137g) Color: Black / Red / Gray (screws only in black) Compatibility: Shimano Dura-Ace 9000, Ultegra 6800 , Shimano 105 5800, Tiagra 4700. Compatible with Di2 & Pioneer, SRM and other power meters Screws: For the outer chainring you must buy the long screw model. Material and finish: CNC Machined 7075 Aluminum. Long lasting construction. Type II anodized. Oval: 34T- 6.5%; 36T- 11.4%, 38T- 11.4%, 50/52 - 10.3%