52-36t Ultegra FC-R8100 172.5mm 2x12-speed Crankset / Курбели Две Плочи Куха Ос

Make / Марка: Shimano 
Model / Модел: Ultegra FC-R8100 Hollowtech II 2x12-Speed 
Manufacturer ID: IFCR8100DX26 
EAN/UPC: 4550170894054 / 192790894058 

Gears / Скорости: 2x12-speed 
Chainrings / Плочи: 52-36t Semi-Compact 
Arm length / Рамена: 172.5mm 
Spindle BB Interface / Ос: 24mm Hollowtech II 
Chainline / Линия на веригата: 44.5mm 
Bolt Circle Diameter / Захващане на плочи: 110mm BCD 4-bolt Asymmetric 
Q-Factor / Ширина на рамене: 148mm 
Material / Материал: Aluminum, Steel, CFRP / Алуминий, Стомана, Композит 
Weight / Тегло: 711g (Manufacturer info) 
Color / Цвят: Black / Черен 
Suitable for / Подходящ за: Road, Racing, TT, Triathlon, Touring, Adventure, City, General use 

Recommended BB model / Препоръчано средно движение: SM-BBR60 Threaded / SM-BB72-41B Press-fit (Sold separately) 

Bottom bracket bearings not included / Без лагери (средно движение) в комплекта / Без предпазител 

Bulk pack / Индустриална опаковка 

Ultegra's new FC-R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to. An integral part of Shimano's new 12-speed road lineup, the FC-R8100 crank builds upon Shimano's legendary front shifting and transmission efficiency with new refinements for seamless 12-speed shifting. 

FEATURES 
Optimal balance of stiffness, strength, weight and rotational performance 
Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker front shifting