Shimano Dura-Ace FC-R9200 Crankset - 165mm 12-Speed 54/40t Hollowtech II Spindle Interface BLK CheckoutSpec= Flat Mount Calipers ECE-R75 certification makes the tires Stroke Length:75Mm/162Mm Color Black Rings 46 CH0723 MFPN=00.6118.738.016

Shimano Dura Ace FC R9200 Crankset 165mm 12 Speed 54 40t Hollowtech II Spindle Interface BLK CheckoutSpec= Flat Mount Calipers ECE R75 certification makes the tires Stroke Length:75Mm 162Mm Color Black Rings 46 CH0723 MFPN=00.6118.738.016 ECE R75 certification makes the tires ready for E Bikes of all classes Flat Protection Tread Color Black Reflective Designed for ebike Yes Defined Color Black ISO Width (mm) 50 ISO Diameter 622 Road 29" Tire Intended Use Touring Hybrid Tire Diameter 700c Tire Bead Wire Labeled Size 700 x 50 Tire Type Clincher Size 700 X 50 Faceplate eliminates stress risers which cause your bar to bend or break