Shimano Dura-Ace FC-R9200 12-Speed Chainring - 52t, Asymmetric 110 BCD, Black, NH surlysale Fully waterproof sealed seams

Fully waterproof sealed seams

One-Tool Adjustment

Breathability Rating (grams)  -  10000

90% AR Recycled polyfill

Shimano Dura-Ace FC-R9200 12-Speed Chainring - 52t, Asymmetric 110 BCD, Black, NH surlysale Fully waterproof sealed seamsShimano Dura Ace FC R9200 chainrings are constructed with high quality aluminum and are compatible with FC R9200 and FC 9200 P 2x 12 speed cranksets. Asymmetric 110 BCD Compatible with HG 12 speed chains Aluminum with anodized finish provides durability and light weight Hollowglide technology provides high rigidity and cuts down on weight while maintaining strength Offers better power transfer and quicker, more precise front shifting 52t outer