จาน Ultegra 11 Speed FC-R8000

Specifications: Application:Road, Cyclocross Compatibility:Shimano 2x11-speed Chainring Mount:110 mm pitch circle, 4-arm asymmetrical Technical Information: Series:Ultegra R8000 Crank Arm Material:Aluminium Chainring Material:aluminium, carbon (CFRP) / aluminium (36-46 only aluminium) Axle Material:steel Gradation:34-50, 36-46, 36-52, 39-53 Crank Arm Length:165.0 mm, 170.0 mm, 172.5 mm, 175.0 mm Chainline:43.5 mm Q-Factor:146 mm Axle Diameter:24 mm Compatible BSA Shell Width:68 mm Weight: 170.0 mm 34-50: 674 g 170.0 mm 36-46: 668 g 170.0 mm 36-52: 681 g 170.0 mm 39-53: 690 g