Number of teeth: 50-34T
Gear plate material: high-quality steel for outer plate and inner plate
Crank material: FORGED AL-6061-T6
Support variable speed: 8-9S
BCD: 110mm
Crank chainstay distance:-
Chain center line: 45.5mm
Crank length: 170MM
Color: anodized black
Universal for folding bikes, road bikes, and single-speed vehicles
Weight: 800 grams (without bottom bracket)
Recommended bottom axis length: 110mm