Đặc điểm nổi bật của Giò dĩa xe đạp SHIMANO ULTEGRA FC-R8100
Shimano ULTEGRA R8100 Crankset 2x12s Road Bicycle 165mm 170mm 172.5mm 50-34T 52-36T Hollow Integrated Speed Crank For Road Bike
Model FC-R8100
Series ULTEGRA R8100 Series
Color Series Color
Average weight 700 (50-34T) 711 (52-36T)
Width of threaded five-way (mm)_ seventy ✔
Chain wheel blade combination 50-34T 52-36T
Compatible center axle types_ On the outside ✔
Including crank fixing screws ✔
Crank arm length (mm)_ one hundred and sixty ✔
Crank arm length (mm)_ one hundred and sixty-five ✔
Crank arm length (mm)_ one hundred and seventy ✔
Crank arm length (mm)_ one hundred and seventy-two point five ✔
Crank arm length (mm)_ one hundred and seventy-five ✔
Blade holding arm/crank claw 4
HOLLOWGLIDE ✔
HOLLOWTECH II ✔
HOLLOWTECH crank arm ✔
Optional chain guard_ No chain/impact protection chain disk ✔
Recommended center axle_ Press in SM-BB72-41B
Recommended center axle_ Thread (normal) SM-BBR60
Width of threaded five-way (mm)_ sixty-eight ✔
Q factor (mm) 148
Chain center line (mm) 44.5
Compatible chain HG 12-speed
P.C.D. （mm） 110
Rear speed change 12
| Thông số răng | 50-34T, 52-36T |
|---|---|
| Chiều dài | 165mm, 170mm, 172.5mm |
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