Material: 7005 aluminum alloy (crank)+7075 aluminum alloy (disc/shaft center)
Color: black/silver
Compatible: 8-12speed
Crank length: 165mm (498g)/170mm (517g)/175mm (529g)
Gear ratio: 40T（95g）42T（100g）44T（107g）46T（110g）48T（115g）
Bottom support: BSA (68-73mm) about 100g
Q factor: 148mm
K factor: 91.5mm
Advantages: The crank adopts full CNC process and LOGO carving process, which reduces the weight and improves the strength
Features: High performance power transmission light weight dental disc
7075 aluminum alloy
High strength 7075 aluminum alloy chain teeth, improve the treading efficiency，The teeth are formed by unique alloy material, which can adapt to various harsh environments, optimize the tooth chain and make the speed change more efficient
7005 aluminum alloy cold chain technology,Engraved LOGO
The crank adopts advanced aluminum alloy cold chain technology to increase the rigidity of the crank, reduce weight and even bite force
