50-34t 105 FC-R7100 172.5mm 2x12-speed Crankset / Курбели Две Плочи Куха Ос

Make / Марка: Shimano 
Model / Модел: 105 FC-R7100 Hollowtech II 2x12-Speed 
Manufacturer ID: IFCR7100DX04 
EAN/UPC: 4550170172541 / 192790172545 

Gears / Скорости: 2x12-speed 
Chainrings / Плочи: 50-34t 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 
Weight / Тегло: 754g (Manufacturer info) 
Color / Цвят: Black 
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 

An attractive aluminum crank with hollow arms for lightweight, rigidity, and durability. The newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are Shimano 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance. 

FEATURES 
Optimal balance of stiffness, strength, weight and rotational performance 
Hollowtech II structure cuts weight yet maintains strength for better power transfer