FITTOO chainwheel & crank set are made of light weight aluminum alloy and high carbon steel materials, with extra strength and durability. The chain guard is made of strong plastic. The whole set weight is approx 900grams.
FITTOO crank set have 170mm length crank arms, and 24/34/42T chain sprockets which are compatible with 9/16" pedals, and 5s, 6s, 7s, 8s, 9speed chains. And a standard D12.6mm square bottom bracket axle is recommended for fitting with this crank set. It is replaceable for most 20”, 22”, 24”, 26”, 27.5”, 29”, 700C bikes which has the same sizes original chainwheel & crank installed.
Perfect indexed three-steps triple chainring sprockets, which will make your bike front derailleur speed changing very smoothly, it will promise you a comfortable long riding, when the whole gear system is perfectly working together.
Specifications
(1) Crank:
Material: Aluminium Alloy
Colour: Matte black
Arm length: 170mm (hole-center length)
(2)Chainwheel:
Material: high carbon steel
Compatible chain: 5S, 6S, 7S, 8S, 9S chains
Compatible pedal: 9/16” axle pedals
Colour: glossy black
BCD: 130mm
Chainwheel sprockets: 24/34/42T






