Lightweight and powerful The front and back of the crank are hollowed out, which ensures high strength and impact resistance while reducing weight, showing a strong sense of strength everywhere. AL7075 aluminum shaft Improve bearing strength and increase service life.
Road racing - double chainring The precision tooth tip direct-mounted center lock structure can cope with the bumps of road gravel off-road It has a stronger anti-off chain ability, and the actual measurement can support 9/10/11 speed change chains. DUB bottom bracket 68/73mm length frame, suitable for most threaded bottom bracket frames on the market High precision/durability/water resistance.