absoluteBLACK Chainring SRAM 110/5BCD Oval 50T Grey

absoluteBLACK Premium Shimano 110/4 bcd compatible oval chainrings are designed for new types of Shimano cranks Dura-Ace 9100 & Ultegra 8000 only. These are the finest oval chainrings on the market in terms of shifting, smoothness of pedalling and manufacturing quality. (They can be also retrofitted to 9000 and 6800 cranks). 10/11/12spd compatible.?Shimano Dura-Ace 9100, R9150 Di2 and Ultegra 8000, R8050 Di2. They can also retrofit 9000 and 6800 cranks but use bolt covers for the best appearance. 10 / 11 / 12spd compatible.Materials: CNC? machined 7075 Txxx Aluminum. Long-lasting construction. Type II anodizingMounting: 110 BCD x 4Ovality:?Optimized to each size separately. 34T- 6.5%; 36T, 38T, 39T- 11.4%, 50/52/53T - 10-11.2%; Timing of 108 -110.5? after TDC (top dead centre) - Ideal for road climbing.

110 BCD.

2X.

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