Components:Freewheel
Sensitivity:72 Sounds
Model Number:M942
Material:Steel
Flywheel Adjustable Gear Number:9-speed
Brand Name:BOLANY
is_customized:Yes
Freewheel Speed:9
Gear Teeth:11-42T






A (下)


B (下)


C (下)


D (下)


E (下)


F (下)